2025-10-16 16:08:48.846 INFO 4424 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:08:48.873 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:08:48.875 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrap [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:08:48.875 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:08:48.876 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:08:48.876 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:08:48.877 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:08:48.877 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:08:48.930 INFO 4424 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:08:49.103 INFO 4424 --- [main] c.u.j.r.DefaultLazyPropertyResolver : Property Resolver custom Bean not found with name 'encryptablePropertyResolver'. Initializing Default Property Resolver 2025-10-16 16:08:49.106 INFO 4424 --- [main] c.u.j.d.DefaultLazyPropertyDetector : Property Detector custom Bean not found with name 'encryptablePropertyDetector'. Initializing Default Property Detector 2025-10-16 16:08:50.583 INFO 4424 --- [main] c.a.n.c.c.impl.LocalConfigInfoProcessor : LOCAL_SNAPSHOT_PATH:C:\Users\张泽立\nacos\config 2025-10-16 16:08:50.619 INFO 4424 --- [main] c.a.nacos.client.config.impl.Limiter : limitTime:5.0 2025-10-16 16:08:51.648 ERROR 4424 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://localhost:8848， err : connect timed out 2025-10-16 16:08:52.652 ERROR 4424 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://localhost:8848， err : connect timed out 2025-10-16 16:08:53.657 ERROR 4424 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://localhost:8848， err : connect timed out 2025-10-16 16:08:53.658 ERROR 4424 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:08:53.677 ERROR 4424 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-localhost_8848] [sub-server] get server config exception, dataId=null.properties, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:144) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:08:53.680 WARN 4424 --- [main] c.a.n.client.config.NacosConfigService : [fixed-localhost_8848] [get-config] get from server error, dataId=null.properties, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:08:53.682 WARN 4424 --- [main] c.a.n.client.config.NacosConfigService : [fixed-localhost_8848] [get-config] get snapshot ok, dataId=null.properties, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:08:53.687 WARN 4424 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[null.properties] & group[DEFAULT_GROUP] 2025-10-16 16:08:53.690 INFO 4424 --- [main] b.c.PropertySourceBootstrapConfiguration : Located property source: [BootstrapPropertySource {name='bootstrapProperties-null.properties,DEFAULT_GROUP'}] 2025-10-16 16:08:53.706 INFO 4424 --- [main] c.b.platform.processing.ProcessingApp : No active profile set, falling back to 1 default profile: "default" 2025-10-16 16:08:55.127 INFO 4424 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:08:55.128 INFO 4424 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-10-16 16:08:55.139 INFO 4424 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 4 ms. Found 0 JPA repository interfaces. 2025-10-16 16:08:55.153 INFO 4424 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:08:55.154 INFO 4424 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode. 2025-10-16 16:08:55.162 INFO 4424 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 1 ms. Found 0 Redis repository interfaces. 2025-10-16 16:08:55.361 WARN 4424 --- [main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.by4cloud.platform.processing]' package. Please check your configuration. 2025-10-16 16:08:55.398 INFO 4424 --- [main] o.s.cloud.context.scope.GenericScope : BeanFactory id=995ae9f6-237e-3d86-bd45-faf6211af468 2025-10-16 16:08:55.477 INFO 4424 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:08:55.478 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-null.properties,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:08:55.478 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:08:55.478 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletConfigInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:08:55.479 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletContextInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:08:55.479 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:08:55.479 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:08:55.479 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:08:55.479 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:08:55.479 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:08:55.479 INFO 4424 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudDefaultProperties [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:08:55.495 INFO 4424 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:08:57.865 INFO 4424 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.datasource.dynamic-com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:08:57.877 INFO 4424 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration$$EnhancerBySpringCGLIB$$36defaf9] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:08:57.891 INFO 4424 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'dsProcessor' of type [com.baomidou.dynamic.datasource.processor.DsHeaderProcessor] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:08:57.941 INFO 4424 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.cloud.sentinel-com.alibaba.cloud.sentinel.SentinelProperties' of type [com.alibaba.cloud.sentinel.SentinelProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:08:57.946 INFO 4424 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration' of type [com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:08:58.198 WARN 4424 --- [main] io.undertow.websockets.jsr : UT026010: Buffer pool was not set on WebSocketDeploymentInfo, the default pool will be used 2025-10-16 16:08:58.224 INFO 4424 --- [main] io.undertow.servlet : Initializing Spring embedded WebApplicationContext 2025-10-16 16:08:58.225 INFO 4424 --- [main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 4508 ms 2025-10-16 16:09:01.591 WARN 4424 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource initial loaded [0] datasource,Please add your primary datasource or check your configuration 2025-10-16 16:09:01.645 WARN 4424 --- [main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource 2025-10-16 16:09:01.645 INFO 4424 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource start closing .... 2025-10-16 16:09:01.646 INFO 4424 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource all closed success,bye 2025-10-16 16:09:01.660 INFO 4424 --- [main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-10-16 16:09:01.683 ERROR 4424 --- [main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:646) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:626) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:336) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:209) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1171) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:922) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:591) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:453) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:343) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:641) ~[spring-beans-5.3.39.jar:5.3.39] ... 19 common frames omitted Caused by: com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determinePrimaryDataSource(DynamicRoutingDataSource.java:90) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.getDataSource(DynamicRoutingDataSource.java:141) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determineDataSource(DynamicRoutingDataSource.java:77) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.ds.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:43) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:332) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.boot.jdbc.EmbeddedDatabaseConnection.isEmbedded(EmbeddedDatabaseConnection.java:184) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateDefaultDdlAutoProvider.getDefaultDdlAuto(HibernateDefaultDdlAutoProvider.java:42) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration.lambda$getVendorProperties$1(HibernateJpaConfiguration.java:130) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateSettings.getDdlAuto(HibernateSettings.java:41) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.determineDdlAuto(HibernateProperties.java:143) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.getAdditionalProperties(HibernateProperties.java:103) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.determineHibernateProperties(HibernateProperties.java:95) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration.getVendorProperties(HibernateJpaConfiguration.java:132) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration.entityManagerFactory(JpaBaseConfiguration.java:132) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_162] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_162] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.3.39.jar:5.3.39] ... 20 common frames omitted 2025-10-16 16:09:01.684 WARN 4424 --- [Thread-12] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Start destroying common HttpClient 2025-10-16 16:09:01.687 WARN 4424 --- [Thread-12] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Destruction of the end 2025-10-16 16:28:05.484 INFO 26604 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:28:05.505 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:28:05.507 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrap [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:28:05.507 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:28:05.507 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:28:05.508 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:28:05.509 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:28:05.509 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:28:05.545 INFO 26604 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:28:05.711 INFO 26604 --- [main] c.u.j.r.DefaultLazyPropertyResolver : Property Resolver custom Bean not found with name 'encryptablePropertyResolver'. Initializing Default Property Resolver 2025-10-16 16:28:05.712 INFO 26604 --- [main] c.u.j.d.DefaultLazyPropertyDetector : Property Detector custom Bean not found with name 'encryptablePropertyDetector'. Initializing Default Property Detector 2025-10-16 16:28:07.102 INFO 26604 --- [main] c.a.n.c.c.impl.LocalConfigInfoProcessor : LOCAL_SNAPSHOT_PATH:C:\Users\张泽立\nacos\config 2025-10-16 16:28:07.126 INFO 26604 --- [main] c.a.nacos.client.config.impl.Limiter : limitTime:5.0 2025-10-16 16:28:08.144 ERROR 26604 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://localhost:8848， err : connect timed out 2025-10-16 16:28:09.150 ERROR 26604 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://localhost:8848， err : connect timed out 2025-10-16 16:28:10.157 ERROR 26604 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://localhost:8848， err : connect timed out 2025-10-16 16:28:10.157 ERROR 26604 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:28:10.160 ERROR 26604 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-localhost_8848] [sub-server] get server config exception, dataId=null.properties, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:144) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:28:10.160 WARN 26604 --- [main] c.a.n.client.config.NacosConfigService : [fixed-localhost_8848] [get-config] get from server error, dataId=null.properties, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:28:10.161 WARN 26604 --- [main] c.a.n.client.config.NacosConfigService : [fixed-localhost_8848] [get-config] get snapshot ok, dataId=null.properties, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:28:10.163 WARN 26604 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[null.properties] & group[DEFAULT_GROUP] 2025-10-16 16:28:10.164 INFO 26604 --- [main] b.c.PropertySourceBootstrapConfiguration : Located property source: [BootstrapPropertySource {name='bootstrapProperties-null.properties,DEFAULT_GROUP'}] 2025-10-16 16:28:10.176 INFO 26604 --- [main] c.b.platform.processing.ProcessingApp : No active profile set, falling back to 1 default profile: "default" 2025-10-16 16:28:11.380 INFO 26604 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:28:11.380 INFO 26604 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-10-16 16:28:11.389 INFO 26604 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 3 ms. Found 0 JPA repository interfaces. 2025-10-16 16:28:11.401 INFO 26604 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:28:11.401 INFO 26604 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode. 2025-10-16 16:28:11.409 INFO 26604 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 1 ms. Found 0 Redis repository interfaces. 2025-10-16 16:28:11.562 WARN 26604 --- [main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.by4cloud.platform.processing]' package. Please check your configuration. 2025-10-16 16:28:11.595 INFO 26604 --- [main] o.s.cloud.context.scope.GenericScope : BeanFactory id=995ae9f6-237e-3d86-bd45-faf6211af468 2025-10-16 16:28:11.693 INFO 26604 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:28:11.694 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-null.properties,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:28:11.694 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:28:11.694 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletConfigInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:28:11.694 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletContextInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:28:11.696 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:28:11.696 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:28:11.696 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:28:11.696 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:28:11.696 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:28:11.696 INFO 26604 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudDefaultProperties [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:28:11.710 INFO 26604 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:28:12.004 INFO 26604 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.datasource.dynamic-com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:28:12.013 INFO 26604 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration$$EnhancerBySpringCGLIB$$1a9ea023] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:28:12.026 INFO 26604 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'dsProcessor' of type [com.baomidou.dynamic.datasource.processor.DsHeaderProcessor] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:28:12.063 INFO 26604 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.cloud.sentinel-com.alibaba.cloud.sentinel.SentinelProperties' of type [com.alibaba.cloud.sentinel.SentinelProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:28:12.068 INFO 26604 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration' of type [com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:28:12.281 WARN 26604 --- [main] io.undertow.websockets.jsr : UT026010: Buffer pool was not set on WebSocketDeploymentInfo, the default pool will be used 2025-10-16 16:28:12.297 INFO 26604 --- [main] io.undertow.servlet : Initializing Spring embedded WebApplicationContext 2025-10-16 16:28:12.297 INFO 26604 --- [main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 2111 ms 2025-10-16 16:28:12.538 WARN 26604 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource initial loaded [0] datasource,Please add your primary datasource or check your configuration 2025-10-16 16:28:12.584 WARN 26604 --- [main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource 2025-10-16 16:28:12.584 INFO 26604 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource start closing .... 2025-10-16 16:28:12.586 INFO 26604 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource all closed success,bye 2025-10-16 16:28:12.598 INFO 26604 --- [main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-10-16 16:28:12.616 ERROR 26604 --- [main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:646) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:626) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:336) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:209) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1171) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:922) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:591) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:453) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:343) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:641) ~[spring-beans-5.3.39.jar:5.3.39] ... 19 common frames omitted Caused by: com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determinePrimaryDataSource(DynamicRoutingDataSource.java:90) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.getDataSource(DynamicRoutingDataSource.java:141) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determineDataSource(DynamicRoutingDataSource.java:77) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.ds.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:43) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:332) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.boot.jdbc.EmbeddedDatabaseConnection.isEmbedded(EmbeddedDatabaseConnection.java:184) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateDefaultDdlAutoProvider.getDefaultDdlAuto(HibernateDefaultDdlAutoProvider.java:42) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration.lambda$getVendorProperties$1(HibernateJpaConfiguration.java:130) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateSettings.getDdlAuto(HibernateSettings.java:41) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.determineDdlAuto(HibernateProperties.java:143) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.getAdditionalProperties(HibernateProperties.java:103) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.determineHibernateProperties(HibernateProperties.java:95) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration.getVendorProperties(HibernateJpaConfiguration.java:132) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration.entityManagerFactory(JpaBaseConfiguration.java:132) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_162] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_162] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.3.39.jar:5.3.39] ... 20 common frames omitted 2025-10-16 16:28:12.617 WARN 26604 --- [Thread-6] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Start destroying common HttpClient 2025-10-16 16:32:05.832 INFO 25184 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:32:06.101 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:32:06.105 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrap [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:32:06.110 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:32:06.112 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:32:06.113 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:32:06.114 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:32:06.115 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:32:06.465 INFO 25184 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:32:08.297 INFO 25184 --- [main] c.u.j.r.DefaultLazyPropertyResolver : Property Resolver custom Bean not found with name 'encryptablePropertyResolver'. Initializing Default Property Resolver 2025-10-16 16:32:08.302 INFO 25184 --- [main] c.u.j.d.DefaultLazyPropertyDetector : Property Detector custom Bean not found with name 'encryptablePropertyDetector'. Initializing Default Property Detector 2025-10-16 16:32:15.184 INFO 25184 --- [main] c.a.n.c.c.impl.LocalConfigInfoProcessor : LOCAL_SNAPSHOT_PATH:C:\Users\张泽立\nacos\config 2025-10-16 16:32:15.381 INFO 25184 --- [main] c.a.nacos.client.config.impl.Limiter : limitTime:5.0 2025-10-16 16:32:16.658 ERROR 25184 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://localhost:8848， err : connect timed out 2025-10-16 16:32:17.665 ERROR 25184 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://localhost:8848， err : connect timed out 2025-10-16 16:32:18.673 ERROR 25184 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://localhost:8848， err : connect timed out 2025-10-16 16:32:18.673 ERROR 25184 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:32:18.680 ERROR 25184 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-localhost_8848] [sub-server] get server config exception, dataId=null.properties, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:144) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:32:18.682 WARN 25184 --- [main] c.a.n.client.config.NacosConfigService : [fixed-localhost_8848] [get-config] get from server error, dataId=null.properties, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:32:18.683 WARN 25184 --- [main] c.a.n.client.config.NacosConfigService : [fixed-localhost_8848] [get-config] get snapshot ok, dataId=null.properties, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:32:18.685 WARN 25184 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[null.properties] & group[DEFAULT_GROUP] 2025-10-16 16:32:18.719 INFO 25184 --- [main] b.c.PropertySourceBootstrapConfiguration : Located property source: [BootstrapPropertySource {name='bootstrapProperties-null.properties,DEFAULT_GROUP'}] 2025-10-16 16:32:18.739 INFO 25184 --- [main] c.b.platform.processing.ProcessingApp : No active profile set, falling back to 1 default profile: "default" 2025-10-16 16:32:24.370 INFO 25184 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:32:24.374 INFO 25184 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-10-16 16:32:24.444 INFO 25184 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 15 ms. Found 0 JPA repository interfaces. 2025-10-16 16:32:24.485 INFO 25184 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:32:24.487 INFO 25184 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode. 2025-10-16 16:32:24.505 INFO 25184 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 3 ms. Found 0 Redis repository interfaces. 2025-10-16 16:32:25.375 WARN 25184 --- [main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.by4cloud.platform.processing]' package. Please check your configuration. 2025-10-16 16:32:25.691 INFO 25184 --- [main] o.s.cloud.context.scope.GenericScope : BeanFactory id=995ae9f6-237e-3d86-bd45-faf6211af468 2025-10-16 16:32:26.018 INFO 25184 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:32:26.020 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-null.properties,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:32:26.021 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:32:26.021 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletConfigInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:32:26.022 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletContextInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:32:26.022 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:32:26.022 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:32:26.023 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:32:26.023 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:32:26.023 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:32:26.023 INFO 25184 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudDefaultProperties [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:32:26.085 INFO 25184 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:32:27.467 INFO 25184 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.datasource.dynamic-com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:32:27.484 INFO 25184 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration$$EnhancerBySpringCGLIB$$da9fe33a] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:32:27.507 INFO 25184 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'dsProcessor' of type [com.baomidou.dynamic.datasource.processor.DsHeaderProcessor] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:32:28.426 INFO 25184 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.cloud.sentinel-com.alibaba.cloud.sentinel.SentinelProperties' of type [com.alibaba.cloud.sentinel.SentinelProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:32:28.487 INFO 25184 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration' of type [com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:32:30.705 WARN 25184 --- [main] io.undertow.websockets.jsr : UT026010: Buffer pool was not set on WebSocketDeploymentInfo, the default pool will be used 2025-10-16 16:32:30.885 INFO 25184 --- [main] io.undertow.servlet : Initializing Spring embedded WebApplicationContext 2025-10-16 16:32:30.886 INFO 25184 --- [main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 12126 ms 2025-10-16 16:32:31.955 WARN 25184 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource initial loaded [0] datasource,Please add your primary datasource or check your configuration 2025-10-16 16:32:32.177 WARN 25184 --- [main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource 2025-10-16 16:32:32.178 INFO 25184 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource start closing .... 2025-10-16 16:32:32.179 INFO 25184 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource all closed success,bye 2025-10-16 16:32:32.271 INFO 25184 --- [main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-10-16 16:32:32.383 ERROR 25184 --- [main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:646) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:626) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:336) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:209) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1171) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:922) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:591) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:453) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:343) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean]: Factory method 'entityManagerFactory' threw exception; nested exception is com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:641) ~[spring-beans-5.3.39.jar:5.3.39] ... 19 common frames omitted Caused by: com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determinePrimaryDataSource(DynamicRoutingDataSource.java:90) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.getDataSource(DynamicRoutingDataSource.java:141) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determineDataSource(DynamicRoutingDataSource.java:77) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.ds.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:43) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:160) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:118) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:81) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:332) ~[spring-jdbc-5.3.39.jar:5.3.39] at org.springframework.boot.jdbc.EmbeddedDatabaseConnection.isEmbedded(EmbeddedDatabaseConnection.java:184) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateDefaultDdlAutoProvider.getDefaultDdlAuto(HibernateDefaultDdlAutoProvider.java:42) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration.lambda$getVendorProperties$1(HibernateJpaConfiguration.java:130) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateSettings.getDdlAuto(HibernateSettings.java:41) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.determineDdlAuto(HibernateProperties.java:143) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.getAdditionalProperties(HibernateProperties.java:103) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateProperties.determineHibernateProperties(HibernateProperties.java:95) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration.getVendorProperties(HibernateJpaConfiguration.java:132) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration.entityManagerFactory(JpaBaseConfiguration.java:132) ~[spring-boot-autoconfigure-2.5.15.jar:2.5.15] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_162] at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_162] at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.3.39.jar:5.3.39] ... 20 common frames omitted 2025-10-16 16:34:57.421 INFO 26276 --- [main] c.a.n.c.c.impl.LocalConfigInfoProcessor : LOCAL_SNAPSHOT_PATH:C:\Users\张泽立\nacos\config 2025-10-16 16:34:57.443 INFO 26276 --- [main] c.a.nacos.client.config.impl.Limiter : limitTime:5.0 2025-10-16 16:34:58.463 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:34:59.475 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:00.484 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:00.484 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:35:00.487 ERROR 26276 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=application-dev.yml, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosConfiguration(NacosPropertySourceLocator.java:158) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadSharedConfiguration(NacosPropertySourceLocator.java:116) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:101) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:35:00.489 WARN 26276 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=application-dev.yml, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:35:00.489 WARN 26276 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=application-dev.yml, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:35:00.492 INFO 26276 --- [main] c.a.nacos.client.config.utils.JvmUtil : isMultiInstance:false 2025-10-16 16:35:01.511 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:02.526 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:03.528 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:03.528 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:35:03.529 ERROR 26276 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=platform-processing-biz, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:141) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:35:03.530 WARN 26276 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=platform-processing-biz, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:35:03.530 WARN 26276 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=platform-processing-biz, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:35:03.531 WARN 26276 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz] & group[DEFAULT_GROUP] 2025-10-16 16:35:04.548 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:05.554 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:06.568 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:06.568 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:35:06.568 ERROR 26276 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=platform-processing-biz.yml, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:144) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:35:06.569 WARN 26276 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=platform-processing-biz.yml, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:35:06.569 WARN 26276 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=platform-processing-biz.yml, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:35:06.569 WARN 26276 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz.yml] & group[DEFAULT_GROUP] 2025-10-16 16:35:07.583 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:08.592 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:09.595 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:35:09.595 ERROR 26276 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:35:09.596 ERROR 26276 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=platform-processing-biz-dev.yml, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:149) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:35:09.596 WARN 26276 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=platform-processing-biz-dev.yml, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:35:09.597 WARN 26276 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=platform-processing-biz-dev.yml, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:35:09.597 WARN 26276 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz-dev.yml] & group[DEFAULT_GROUP] 2025-10-16 16:35:09.597 INFO 26276 --- [main] b.c.PropertySourceBootstrapConfiguration : Located property source: [BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz-dev.yml,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz.yml,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-application-dev.yml,DEFAULT_GROUP'}] 2025-10-16 16:35:09.609 INFO 26276 --- [main] c.b.platform.processing.ProcessingApp : The following 1 profile is active: "dev" 2025-10-16 16:35:10.870 INFO 26276 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:35:10.871 INFO 26276 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-10-16 16:35:10.881 INFO 26276 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 3 ms. Found 0 JPA repository interfaces. 2025-10-16 16:35:10.892 INFO 26276 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:35:10.902 INFO 26276 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode. 2025-10-16 16:35:10.909 INFO 26276 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 1 ms. Found 0 Redis repository interfaces. 2025-10-16 16:35:11.108 WARN 26276 --- [main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.by4cloud.platform.processing]' package. Please check your configuration. 2025-10-16 16:35:11.137 INFO 26276 --- [main] o.s.cloud.context.scope.GenericScope : BeanFactory id=434e7212-a245-399a-8150-ac7812d2f95c 2025-10-16 16:35:11.208 INFO 26276 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:35:11.208 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz-dev.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:35:11.208 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:35:11.209 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:35:11.209 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-application-dev.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:35:11.209 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:35:11.209 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletConfigInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:35:11.209 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletContextInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:35:11.209 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:35:11.209 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:35:11.209 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:35:11.210 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:35:11.210 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:35:11.210 INFO 26276 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudDefaultProperties [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:35:11.229 INFO 26276 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:35:11.571 INFO 26276 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.datasource.dynamic-com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:35:11.579 INFO 26276 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration$$EnhancerBySpringCGLIB$$c6acec5d] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:35:11.590 INFO 26276 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'dsProcessor' of type [com.baomidou.dynamic.datasource.processor.DsHeaderProcessor] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:35:11.645 INFO 26276 --- [main] c.u.j.r.DefaultLazyPropertyResolver : Property Resolver custom Bean not found with name 'encryptablePropertyResolver'. Initializing Default Property Resolver 2025-10-16 16:35:11.645 INFO 26276 --- [main] c.u.j.d.DefaultLazyPropertyDetector : Property Detector custom Bean not found with name 'encryptablePropertyDetector'. Initializing Default Property Detector 2025-10-16 16:35:11.686 INFO 26276 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.cloud.sentinel-com.alibaba.cloud.sentinel.SentinelProperties' of type [com.alibaba.cloud.sentinel.SentinelProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:35:11.775 INFO 26276 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration' of type [com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:35:11.990 WARN 26276 --- [main] io.undertow.websockets.jsr : UT026010: Buffer pool was not set on WebSocketDeploymentInfo, the default pool will be used 2025-10-16 16:35:12.007 INFO 26276 --- [main] io.undertow.servlet : Initializing Spring embedded WebApplicationContext 2025-10-16 16:35:12.007 INFO 26276 --- [main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 2388 ms 2025-10-16 16:35:12.264 WARN 26276 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource initial loaded [0] datasource,Please add your primary datasource or check your configuration 2025-10-16 16:35:12.346 INFO 26276 --- [main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default] 2025-10-16 16:35:12.404 INFO 26276 --- [main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.4.33 2025-10-16 16:35:12.565 INFO 26276 --- [main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final} 2025-10-16 16:35:12.686 WARN 26276 --- [main] o.h.e.j.e.i.JdbcEnvironmentInitiator : HHH000342: Could not obtain connection to query metadata com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determinePrimaryDataSource(DynamicRoutingDataSource.java:90) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.getDataSource(DynamicRoutingDataSource.java:141) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determineDataSource(DynamicRoutingDataSource.java:77) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.ds.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:43) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcEnvironmentInitiator.java:180) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:68) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.(InFlightMetadataCollectorImpl.java:176) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:127) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1224) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1255) [hibernate-core-5.4.33.jar:5.4.33] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:367) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:396) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:343) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:336) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:209) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1171) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:922) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:591) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:453) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:343) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) ~[spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) ~[classes/:na] 2025-10-16 16:35:12.688 ERROR 26276 --- [main] j.LocalContainerEntityManagerFactoryBean : Failed to initialize JPA EntityManagerFactory: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] 2025-10-16 16:35:12.688 WARN 26276 --- [main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] 2025-10-16 16:35:12.688 INFO 26276 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource start closing .... 2025-10-16 16:35:12.688 INFO 26276 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource all closed success,bye 2025-10-16 16:35:12.702 INFO 26276 --- [main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-10-16 16:35:12.735 ERROR 26276 --- [main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:336) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:209) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1171) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:922) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:591) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:453) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:343) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] Caused by: org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:275) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.(InFlightMetadataCollectorImpl.java:176) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:127) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1224) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1255) ~[hibernate-core-5.4.33.jar:5.4.33] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:367) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:396) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:343) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ~[spring-beans-5.3.39.jar:5.3.39] ... 16 common frames omitted Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.determineDialect(DialectFactoryImpl.java:100) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(DialectFactoryImpl.java:54) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:137) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263) ~[hibernate-core-5.4.33.jar:5.4.33] ... 33 common frames omitted 2025-10-16 16:43:10.426 WARN 26276 --- [Thread-6] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Start destroying common HttpClient 2025-10-16 16:43:10.431 WARN 26276 --- [Thread-6] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Destruction of the end 2025-10-16 16:43:33.762 INFO 7180 --- [main] c.a.n.c.c.impl.LocalConfigInfoProcessor : LOCAL_SNAPSHOT_PATH:C:\Users\张泽立\nacos\config 2025-10-16 16:43:33.784 INFO 7180 --- [main] c.a.nacos.client.config.impl.Limiter : limitTime:5.0 2025-10-16 16:43:34.796 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:35.797 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:36.813 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:36.813 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:43:36.815 ERROR 7180 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=application-dev.yml, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosConfiguration(NacosPropertySourceLocator.java:158) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadSharedConfiguration(NacosPropertySourceLocator.java:116) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:101) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:43:36.816 WARN 7180 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=application-dev.yml, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:43:36.816 WARN 7180 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=application-dev.yml, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:43:36.818 INFO 7180 --- [main] c.a.nacos.client.config.utils.JvmUtil : isMultiInstance:false 2025-10-16 16:43:37.843 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:38.851 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:39.853 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:39.853 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:43:39.853 ERROR 7180 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=platform-processing-biz, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:141) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:43:39.854 WARN 7180 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=platform-processing-biz, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:43:39.854 WARN 7180 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=platform-processing-biz, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:43:39.854 WARN 7180 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz] & group[DEFAULT_GROUP] 2025-10-16 16:43:40.858 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:41.862 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:42.876 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:42.877 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:43:42.878 ERROR 7180 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=platform-processing-biz.yml, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:144) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:43:42.879 WARN 7180 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=platform-processing-biz.yml, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:43:42.879 WARN 7180 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=platform-processing-biz.yml, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:43:42.880 WARN 7180 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz.yml] & group[DEFAULT_GROUP] 2025-10-16 16:43:43.894 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:44.897 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:45.903 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:43:45.903 ERROR 7180 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:43:45.904 ERROR 7180 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=platform-processing-biz-dev.yml, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:149) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:43:45.904 WARN 7180 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=platform-processing-biz-dev.yml, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:43:45.904 WARN 7180 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=platform-processing-biz-dev.yml, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:43:45.905 WARN 7180 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz-dev.yml] & group[DEFAULT_GROUP] 2025-10-16 16:43:45.906 INFO 7180 --- [main] b.c.PropertySourceBootstrapConfiguration : Located property source: [BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz-dev.yml,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz.yml,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-application-dev.yml,DEFAULT_GROUP'}] 2025-10-16 16:43:45.921 INFO 7180 --- [main] c.b.platform.processing.ProcessingApp : The following 1 profile is active: "dev" 2025-10-16 16:43:47.313 INFO 7180 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:43:47.314 INFO 7180 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-10-16 16:43:47.324 INFO 7180 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 4 ms. Found 0 JPA repository interfaces. 2025-10-16 16:43:47.336 INFO 7180 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:43:47.337 INFO 7180 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode. 2025-10-16 16:43:47.344 INFO 7180 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 1 ms. Found 0 Redis repository interfaces. 2025-10-16 16:43:47.534 WARN 7180 --- [main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.by4cloud.platform.processing]' package. Please check your configuration. 2025-10-16 16:43:47.588 INFO 7180 --- [main] o.s.cloud.context.scope.GenericScope : BeanFactory id=434e7212-a245-399a-8150-ac7812d2f95c 2025-10-16 16:43:47.687 INFO 7180 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:43:47.688 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz-dev.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:43:47.688 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:43:47.688 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:43:47.689 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-application-dev.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:43:47.689 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:43:47.689 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletConfigInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:43:47.690 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletContextInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:43:47.690 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:43:47.690 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:43:47.690 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:43:47.690 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:43:47.690 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:43:47.690 INFO 7180 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudDefaultProperties [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:43:47.711 INFO 7180 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:43:48.641 INFO 7180 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.datasource.dynamic-com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:43:48.658 INFO 7180 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration' of type [com.baomidou.dynamic.datasource.spring.boot.autoconfigure.DynamicDataSourceAutoConfiguration$$EnhancerBySpringCGLIB$$8bdfca] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:43:48.737 INFO 7180 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'dsProcessor' of type [com.baomidou.dynamic.datasource.processor.DsHeaderProcessor] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:43:48.819 INFO 7180 --- [main] c.u.j.r.DefaultLazyPropertyResolver : Property Resolver custom Bean not found with name 'encryptablePropertyResolver'. Initializing Default Property Resolver 2025-10-16 16:43:48.819 INFO 7180 --- [main] c.u.j.d.DefaultLazyPropertyDetector : Property Detector custom Bean not found with name 'encryptablePropertyDetector'. Initializing Default Property Detector 2025-10-16 16:43:48.892 INFO 7180 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.cloud.sentinel-com.alibaba.cloud.sentinel.SentinelProperties' of type [com.alibaba.cloud.sentinel.SentinelProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:43:49.004 INFO 7180 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration' of type [com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:43:49.399 WARN 7180 --- [main] io.undertow.websockets.jsr : UT026010: Buffer pool was not set on WebSocketDeploymentInfo, the default pool will be used 2025-10-16 16:43:49.421 INFO 7180 --- [main] io.undertow.servlet : Initializing Spring embedded WebApplicationContext 2025-10-16 16:43:49.421 INFO 7180 --- [main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 3491 ms 2025-10-16 16:43:49.769 WARN 7180 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource initial loaded [0] datasource,Please add your primary datasource or check your configuration 2025-10-16 16:43:49.854 INFO 7180 --- [main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default] 2025-10-16 16:43:49.933 INFO 7180 --- [main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.4.33 2025-10-16 16:43:50.143 INFO 7180 --- [main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final} 2025-10-16 16:43:50.259 WARN 7180 --- [main] o.h.e.j.e.i.JdbcEnvironmentInitiator : HHH000342: Could not obtain connection to query metadata com.baomidou.dynamic.datasource.exception.CannotFindDataSourceException: dynamic-datasource can not find primary datasource at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determinePrimaryDataSource(DynamicRoutingDataSource.java:90) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.getDataSource(DynamicRoutingDataSource.java:141) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.DynamicRoutingDataSource.determineDataSource(DynamicRoutingDataSource.java:77) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at com.baomidou.dynamic.datasource.ds.AbstractRoutingDataSource.getConnection(AbstractRoutingDataSource.java:43) ~[dynamic-datasource-spring-boot-starter-3.4.1.jar:3.4.1] at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess.obtainConnection(JdbcEnvironmentInitiator.java:180) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:68) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.(InFlightMetadataCollectorImpl.java:176) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:127) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1224) [hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1255) [hibernate-core-5.4.33.jar:5.4.33] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:367) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:396) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:343) [spring-orm-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:336) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:209) [spring-beans-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1171) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:922) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:591) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:453) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:343) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) ~[spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) ~[classes/:na] 2025-10-16 16:43:50.261 ERROR 7180 --- [main] j.LocalContainerEntityManagerFactoryBean : Failed to initialize JPA EntityManagerFactory: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] 2025-10-16 16:43:50.261 WARN 7180 --- [main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] 2025-10-16 16:43:50.261 INFO 7180 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource start closing .... 2025-10-16 16:43:50.261 INFO 7180 --- [main] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource all closed success,bye 2025-10-16 16:43:50.276 INFO 7180 --- [main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-10-16 16:43:50.293 ERROR 7180 --- [main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:336) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:209) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1171) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:922) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:591) ~[spring-context-5.3.39.jar:5.3.39] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:453) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:343) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] Caused by: org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:275) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.(InFlightMetadataCollectorImpl.java:176) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:127) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1224) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1255) ~[hibernate-core-5.4.33.jar:5.4.33] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:367) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:409) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:396) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:343) ~[spring-orm-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) ~[spring-beans-5.3.39.jar:5.3.39] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ~[spring-beans-5.3.39.jar:5.3.39] ... 16 common frames omitted Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.determineDialect(DialectFactoryImpl.java:100) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(DialectFactoryImpl.java:54) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:137) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101) ~[hibernate-core-5.4.33.jar:5.4.33] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263) ~[hibernate-core-5.4.33.jar:5.4.33] ... 33 common frames omitted 2025-10-16 16:47:40.487 WARN 7180 --- [Thread-6] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Start destroying common HttpClient 2025-10-16 16:47:40.491 WARN 7180 --- [Thread-6] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Destruction of the end 2025-10-16 16:48:11.746 INFO 15176 --- [main] c.a.n.c.c.impl.LocalConfigInfoProcessor : LOCAL_SNAPSHOT_PATH:C:\Users\张泽立\nacos\config 2025-10-16 16:48:11.770 INFO 15176 --- [main] c.a.nacos.client.config.impl.Limiter : limitTime:5.0 2025-10-16 16:48:12.794 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:13.806 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:14.810 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:14.810 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:48:14.814 ERROR 15176 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=application-dev.yml, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosConfiguration(NacosPropertySourceLocator.java:158) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadSharedConfiguration(NacosPropertySourceLocator.java:116) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:101) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:48:14.815 WARN 15176 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=application-dev.yml, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:48:14.815 WARN 15176 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=application-dev.yml, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:48:14.816 INFO 15176 --- [main] c.a.nacos.client.config.utils.JvmUtil : isMultiInstance:false 2025-10-16 16:48:15.837 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:16.846 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:17.860 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:17.860 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:48:17.860 ERROR 15176 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=platform-processing-biz, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:141) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:48:17.861 WARN 15176 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=platform-processing-biz, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:48:17.861 WARN 15176 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=platform-processing-biz, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:48:17.861 WARN 15176 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz] & group[DEFAULT_GROUP] 2025-10-16 16:48:18.868 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:19.874 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:20.888 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:20.888 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:48:20.889 ERROR 15176 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=platform-processing-biz.yml, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:144) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:48:20.889 WARN 15176 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=platform-processing-biz.yml, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:48:20.889 WARN 15176 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=platform-processing-biz.yml, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:48:20.890 WARN 15176 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz.yml] & group[DEFAULT_GROUP] 2025-10-16 16:48:21.902 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:22.906 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:23.922 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : [NACOS SocketTimeoutException httpGet] currentServerAddr:http://platform-register:8848， err : connect timed out 2025-10-16 16:48:23.923 ERROR 15176 --- [main] c.a.n.c.config.http.ServerHttpAgent : no available server 2025-10-16 16:48:23.923 ERROR 15176 --- [main] c.a.n.client.config.impl.ClientWorker : [fixed-platform-register_8848] [sub-server] get server config exception, dataId=platform-processing-biz-dev.yml, group=DEFAULT_GROUP, tenant= java.net.ConnectException: no available server at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpGet(ServerHttpAgent.java:134) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpGet(MetricsHttpAgent.java:51) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.impl.ClientWorker.getServerConfig(ClientWorker.java:274) ~[nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfigInner(NacosConfigService.java:155) [nacos-client-1.4.1.jar:na] at com.alibaba.nacos.client.config.NacosConfigService.getConfig(NacosConfigService.java:98) [nacos-client-1.4.1.jar:na] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.loadNacosData(NacosPropertySourceBuilder.java:85) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceBuilder.build(NacosPropertySourceBuilder.java:73) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosPropertySource(NacosPropertySourceLocator.java:199) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadNacosDataIfPresent(NacosPropertySourceLocator.java:186) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.loadApplicationConfiguration(NacosPropertySourceLocator.java:149) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at com.alibaba.cloud.nacos.client.NacosPropertySourceLocator.locate(NacosPropertySourceLocator.java:103) [spring-cloud-starter-alibaba-nacos-config-2021.1.jar:2021.1] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:51) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceLocator.locateCollection(PropertySourceLocator.java:47) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:95) [spring-cloud-context-3.0.4.jar:3.0.4] at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:653) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:421) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:342) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1370) [spring-boot-2.5.15.jar:2.5.15] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1359) [spring-boot-2.5.15.jar:2.5.15] at com.by4cloud.platform.processing.ProcessingApp.main(ProcessingApp.java:10) [classes/:na] 2025-10-16 16:48:23.924 WARN 15176 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get from server error, dataId=platform-processing-biz-dev.yml, group=DEFAULT_GROUP, tenant=, msg=ErrCode:500, ErrMsg:no available server 2025-10-16 16:48:23.924 WARN 15176 --- [main] c.a.n.client.config.NacosConfigService : [fixed-platform-register_8848] [get-config] get snapshot ok, dataId=platform-processing-biz-dev.yml, group=DEFAULT_GROUP, tenant=, config= 2025-10-16 16:48:23.924 WARN 15176 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz-dev.yml] & group[DEFAULT_GROUP] 2025-10-16 16:48:23.925 INFO 15176 --- [main] b.c.PropertySourceBootstrapConfiguration : Located property source: [BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz-dev.yml,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz.yml,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-application-dev.yml,DEFAULT_GROUP'}] 2025-10-16 16:48:23.941 INFO 15176 --- [main] c.b.platform.processing.ProcessingApp : The following 1 profile is active: "dev" 2025-10-16 16:48:25.246 INFO 15176 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:48:25.246 INFO 15176 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-10-16 16:48:25.257 INFO 15176 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 4 ms. Found 0 JPA repository interfaces. 2025-10-16 16:48:25.269 INFO 15176 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:48:25.270 INFO 15176 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode. 2025-10-16 16:48:25.278 INFO 15176 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 1 ms. Found 0 Redis repository interfaces. 2025-10-16 16:48:25.478 WARN 15176 --- [main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.by4cloud.platform.processing]' package. Please check your configuration. 2025-10-16 16:48:25.508 INFO 15176 --- [main] o.s.cloud.context.scope.GenericScope : BeanFactory id=8f2f11ce-f666-3b79-8175-506f1c79b2ad 2025-10-16 16:48:25.578 INFO 15176 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:48:25.579 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz-dev.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:48:25.579 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:48:25.580 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:48:25.580 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-application-dev.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:48:25.580 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:48:25.580 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletConfigInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:48:25.580 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletContextInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:48:25.580 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:48:25.580 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:48:25.580 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:48:25.580 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:48:25.581 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:48:25.581 INFO 15176 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudDefaultProperties [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:48:25.597 INFO 15176 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:48:25.886 INFO 15176 --- [main] c.u.j.r.DefaultLazyPropertyResolver : Property Resolver custom Bean not found with name 'encryptablePropertyResolver'. Initializing Default Property Resolver 2025-10-16 16:48:25.886 INFO 15176 --- [main] c.u.j.d.DefaultLazyPropertyDetector : Property Detector custom Bean not found with name 'encryptablePropertyDetector'. Initializing Default Property Detector 2025-10-16 16:48:25.931 INFO 15176 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.cloud.sentinel-com.alibaba.cloud.sentinel.SentinelProperties' of type [com.alibaba.cloud.sentinel.SentinelProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:48:26.011 INFO 15176 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration' of type [com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:48:26.046 INFO 15176 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration' of type [org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:48:26.049 INFO 15176 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration$ReactorDeferringLoadBalancerFilterConfig' of type [org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration$ReactorDeferringLoadBalancerFilterConfig] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:48:26.051 INFO 15176 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'reactorDeferringLoadBalancerExchangeFilterFunction' of type [org.springframework.cloud.client.loadbalancer.reactive.DeferringLoadBalancerExchangeFilterFunction] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:48:26.312 WARN 15176 --- [main] io.undertow.websockets.jsr : UT026010: Buffer pool was not set on WebSocketDeploymentInfo, the default pool will be used 2025-10-16 16:48:26.333 INFO 15176 --- [main] io.undertow.servlet : Initializing Spring embedded WebApplicationContext 2025-10-16 16:48:26.333 INFO 15176 --- [main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 2384 ms 2025-10-16 16:48:26.703 INFO 15176 --- [main] c.a.d.s.b.a.DruidDataSourceAutoConfigure : Init DruidDataSource 2025-10-16 16:48:26.965 INFO 15176 --- [main] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} inited 2025-10-16 16:48:27.064 INFO 15176 --- [main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default] 2025-10-16 16:48:27.111 INFO 15176 --- [main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.4.33 2025-10-16 16:48:27.246 INFO 15176 --- [main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final} 2025-10-16 16:48:29.457 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:31.480 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:31.481 INFO 15176 --- [Druid-ConnectionPool-Create-2099199977] c.a.druid.pool.DruidAbstractDataSource : {dataSource-1} failContinuous is true 2025-10-16 16:48:34.012 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:36.554 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:39.073 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:41.586 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:44.124 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:46.660 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:49.183 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:51.704 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:54.222 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:56.767 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:48:59.316 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:01.845 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:04.370 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:06.884 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:09.411 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:11.949 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:14.479 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:17.012 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:19.546 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:22.069 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:24.584 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:27.131 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:29.664 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:32.194 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:34.738 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:37.308 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:39.868 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:42.394 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:44.948 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:47.457 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:49.996 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:52.515 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:55.058 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:49:57.596 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:00.145 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:02.681 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:03.711 WARN 15176 --- [Thread-7] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Start destroying common HttpClient 2025-10-16 16:50:03.718 WARN 15176 --- [Thread-7] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Destruction of the end 2025-10-16 16:50:05.224 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:07.766 ERROR 15176 --- [Druid-ConnectionPool-Create-2099199977] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor51.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:18.262 INFO 14712 --- [main] c.a.n.c.c.impl.LocalConfigInfoProcessor : LOCAL_SNAPSHOT_PATH:C:\Users\张泽立\nacos\config 2025-10-16 16:50:18.285 INFO 14712 --- [main] c.a.nacos.client.config.impl.Limiter : limitTime:5.0 2025-10-16 16:50:18.321 INFO 14712 --- [main] c.a.nacos.client.config.utils.JvmUtil : isMultiInstance:false 2025-10-16 16:50:18.349 WARN 14712 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz] & group[DEFAULT_GROUP] 2025-10-16 16:50:18.359 WARN 14712 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz.yml] & group[DEFAULT_GROUP] 2025-10-16 16:50:18.367 WARN 14712 --- [main] c.a.c.n.c.NacosPropertySourceBuilder : Ignore the empty nacos configuration and get it based on dataId[platform-processing-biz-dev.yml] & group[DEFAULT_GROUP] 2025-10-16 16:50:18.370 INFO 14712 --- [main] b.c.PropertySourceBootstrapConfiguration : Located property source: [BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz-dev.yml,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz.yml,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-platform-processing-biz,DEFAULT_GROUP'}, BootstrapPropertySource {name='bootstrapProperties-application-dev.yml,DEFAULT_GROUP'}] 2025-10-16 16:50:18.390 INFO 14712 --- [main] c.b.platform.processing.ProcessingApp : The following 1 profile is active: "dev" 2025-10-16 16:50:19.604 INFO 14712 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:50:19.604 INFO 14712 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-10-16 16:50:19.613 INFO 14712 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 4 ms. Found 0 JPA repository interfaces. 2025-10-16 16:50:19.625 INFO 14712 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode! 2025-10-16 16:50:19.626 INFO 14712 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode. 2025-10-16 16:50:19.634 INFO 14712 --- [main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 1 ms. Found 0 Redis repository interfaces. 2025-10-16 16:50:19.813 WARN 14712 --- [main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.by4cloud.platform.processing]' package. Please check your configuration. 2025-10-16 16:50:19.848 INFO 14712 --- [main] o.s.cloud.context.scope.GenericScope : BeanFactory id=8f2f11ce-f666-3b79-8175-506f1c79b2ad 2025-10-16 16:50:19.932 INFO 14712 --- [main] ptablePropertiesBeanFactoryPostProcessor : Post-processing PropertySource instances 2025-10-16 16:50:19.933 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz-dev.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:50:19.933 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:50:19.933 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-platform-processing-biz,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:50:19.933 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource bootstrapProperties-application-dev.yml,DEFAULT_GROUP [org.springframework.cloud.bootstrap.config.BootstrapPropertySource] to EncryptableEnumerablePropertySourceWrapper 2025-10-16 16:50:19.934 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource configurationProperties [org.springframework.boot.context.properties.source.ConfigurationPropertySourcesPropertySource] to AOP Proxy 2025-10-16 16:50:19.934 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletConfigInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:50:19.934 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource servletContextInitParams [org.springframework.core.env.PropertySource$StubPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:50:19.934 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemProperties [org.springframework.core.env.PropertiesPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:50:19.934 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource systemEnvironment [org.springframework.boot.env.SystemEnvironmentPropertySourceEnvironmentPostProcessor$OriginAwareSystemEnvironmentPropertySource] to EncryptableSystemEnvironmentPropertySourceWrapper 2025-10-16 16:50:19.934 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource random [org.springframework.boot.env.RandomValuePropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:50:19.934 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource cachedrandom [org.springframework.cloud.util.random.CachedRandomPropertySource] to EncryptablePropertySourceWrapper 2025-10-16 16:50:19.934 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudClientHostInfo [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:50:19.934 INFO 14712 --- [main] c.u.j.EncryptablePropertySourceConverter : Converting PropertySource springCloudDefaultProperties [org.springframework.core.env.MapPropertySource] to EncryptableMapPropertySourceWrapper 2025-10-16 16:50:19.949 INFO 14712 --- [main] c.u.j.filter.DefaultLazyPropertyFilter : Property Filter custom Bean not found with name 'encryptablePropertyFilter'. Initializing Default Property Filter 2025-10-16 16:50:20.217 INFO 14712 --- [main] c.u.j.r.DefaultLazyPropertyResolver : Property Resolver custom Bean not found with name 'encryptablePropertyResolver'. Initializing Default Property Resolver 2025-10-16 16:50:20.217 INFO 14712 --- [main] c.u.j.d.DefaultLazyPropertyDetector : Property Detector custom Bean not found with name 'encryptablePropertyDetector'. Initializing Default Property Detector 2025-10-16 16:50:20.253 INFO 14712 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.cloud.sentinel-com.alibaba.cloud.sentinel.SentinelProperties' of type [com.alibaba.cloud.sentinel.SentinelProperties] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:50:20.324 INFO 14712 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration' of type [com.alibaba.cloud.sentinel.custom.SentinelAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:50:20.352 INFO 14712 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration' of type [org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:50:20.355 INFO 14712 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration$ReactorDeferringLoadBalancerFilterConfig' of type [org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration$ReactorDeferringLoadBalancerFilterConfig] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:50:20.356 INFO 14712 --- [main] trationDelegate$BeanPostProcessorChecker : Bean 'reactorDeferringLoadBalancerExchangeFilterFunction' of type [org.springframework.cloud.client.loadbalancer.reactive.DeferringLoadBalancerExchangeFilterFunction] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2025-10-16 16:50:20.557 WARN 14712 --- [main] io.undertow.websockets.jsr : UT026010: Buffer pool was not set on WebSocketDeploymentInfo, the default pool will be used 2025-10-16 16:50:20.575 INFO 14712 --- [main] io.undertow.servlet : Initializing Spring embedded WebApplicationContext 2025-10-16 16:50:20.575 INFO 14712 --- [main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 2174 ms 2025-10-16 16:50:20.788 INFO 14712 --- [main] c.a.d.s.b.a.DruidDataSourceAutoConfigure : Init DruidDataSource 2025-10-16 16:50:20.979 INFO 14712 --- [main] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} inited 2025-10-16 16:50:21.085 INFO 14712 --- [main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default] 2025-10-16 16:50:21.136 INFO 14712 --- [main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.4.33 2025-10-16 16:50:21.268 INFO 14712 --- [main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final} 2025-10-16 16:50:23.449 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:25.485 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:25.488 INFO 14712 --- [Druid-ConnectionPool-Create-987252728] c.a.druid.pool.DruidAbstractDataSource : {dataSource-1} failContinuous is true 2025-10-16 16:50:28.018 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:30.561 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:33.076 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:35.624 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:38.162 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:40.709 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:43.240 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:45.766 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:48.314 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:50.867 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:53.418 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:55.968 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:50:58.516 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:01.056 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_162] at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_162] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:03.591 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:06.123 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:08.682 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:11.249 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:13.802 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:16.346 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:18.899 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:21.448 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:23.997 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:26.562 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:29.115 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:31.655 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:34.214 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:36.778 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:39.332 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:41.889 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:44.441 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:46.994 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:49.563 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:52.132 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:54.685 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:57.226 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:51:59.803 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:02.353 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:04.886 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:07.403 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:09.918 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:12.463 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:15.013 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:17.545 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:20.092 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:22.625 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:25.156 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:27.698 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:30.246 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:32.791 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:35.306 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:37.835 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:40.369 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:42.913 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:45.448 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:47.972 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:50.501 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:53.047 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:55.566 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:52:58.103 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:00.183 WARN 14712 --- [Thread-6] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Start destroying common HttpClient 2025-10-16 16:53:00.184 WARN 14712 --- [Thread-6] c.a.n.common.http.HttpClientBeanHolder : [HttpClientBeanHolder] Destruction of the end 2025-10-16 16:53:00.644 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:03.176 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:05.730 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:08.260 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:10.777 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:13.323 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:15.878 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:18.409 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:20.957 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:23.508 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:26.055 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:28.611 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:31.187 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:33.746 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:36.300 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:38.832 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:41.362 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:43.889 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:46.425 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:48.949 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:51.509 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:54.054 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:56.574 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:53:59.128 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:01.654 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:04.210 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:06.745 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:09.298 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:11.837 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:14.366 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:16.902 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:19.465 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:22.013 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:24.557 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:27.085 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted 2025-10-16 16:54:29.634 ERROR 14712 --- [Druid-ConnectionPool-Create-987252728] com.alibaba.druid.pool.DruidDataSource : create connection SQLException, url: jdbc:mysql://platform-mysql:3306/platformx_yunxiao?characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=GMT%2B8&allowMultiQueries=true, errorCode 0, state 08S01 com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1659) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1723) ~[druid-1.2.8.jar:1.2.8] at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2838) ~[druid-1.2.8.jar:1.2.8] Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor50.newInstance(Unknown Source) ~[na:na] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_162] at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_162] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 10 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_162] at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_162] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_162] at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) ~[na:1.8.0_162] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_162] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_162] at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27] at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27] ... 13 common frames omitted