BladeX-Boot版本从2.6.0升级到2.7.0 启动不了

Blade 未结 1 926
312627224
312627224 剑圣 2020-11-11 20:32

一、该问题的重现步骤是什么?

1. boot版本升级到2.7.0后启动不起来


二、你期待的结果是什么?实际看到的又是什么?


三、你正在使用的是什么产品,什么版本?在什么操作系统上?

Bladex-Boot版本的V2.7.0,Win10系统

四、请提供详细的错误堆栈信息,这很重要。

"C:\Program Files\Java\jdk1.8.0_191\bin\java.exe" -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2019.3.1\lib\idea_rt.jar=55070:C:\Program Files\JetBrains\IntelliJ IDEA 2019.3.1\bin" -Dfile.encoding=UTF-8 -classpath C:\Users\bgzy\AppData\Local\Temp\classpath1296008736.jar org.springblade.Application

----启动中,读取到的环境变量:[dev],jar地址:[/D:/IdeaProjects/jinmao/JMPM-BladeX-Boot/target/classes/]----

2020-11-11 18:54:16.371  INFO 22472 --- [kground-preinit] o.h.validator.internal.util.Version      : HV000001: Hibernate Validator 6.0.21.Final

                   ______  _             _       ___   ___

                   | ___ \| |           | |      \  \ /  /

                   | |_/ /| |  __ _   __| |  ___  \  V  /

                   | ___ \| | / _` | / _` | / _ \   > <

                   | |_/ /| || (_| || (_| ||  __/ /  .  \

                   \____/ |_| \__,_| \__,_| \___|/__/ \__\


:: BladeX 2.7.0.RELEASE :: blade-api:dev :: Running SpringBoot 2.2.11.RELEASE :: 


2020-11-11 18:54:17.063  INFO 22472 --- [           main] org.springblade.Application              : The following profiles are active: dev

2020-11-11 18:54:19.229  INFO 22472 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode!

2020-11-11 18:54:19.231  INFO 22472 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Redis repositories in DEFAULT mode.

2020-11-11 18:54:19.493  INFO 22472 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 246ms. Found 0 Redis repository interfaces.

2020-11-11 18:54:19.831  WARN 22472 --- [           main] o.m.s.mapper.ClassPathMapperScanner      : No MyBatis mapper was found in '[org.springblade]' package. Please check your configuration.

2020-11-11 18:54:20.102  INFO 22472 --- [           main] o.s.cloud.context.scope.GenericScope     : BeanFactory id=d440852c-1f93-32d7-91a2-d8666d9dd6e6

2020-11-11 18:54:20.117  INFO 22472 --- [           main] s.c.l.p.BladePropertySourcePostProcessor : BladePropertySourcePostProcessor init.

2020-11-11 18:54:20.117  INFO 22472 --- [           main] s.c.l.p.BladePropertySourcePostProcessor : BladePropertySourcePostProcessor process @BladePropertySource bean.

2020-11-11 18:54:20.951  WARN 22472 --- [           main] io.undertow.websockets.jsr               : UT026010: Buffer pool was not set on WebSocketDeploymentInfo, the default pool will be used

2020-11-11 18:54:20.982  INFO 22472 --- [           main] io.undertow.servlet                      : Initializing Spring embedded WebApplicationContext

2020-11-11 18:54:20.982  INFO 22472 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 3904 ms

2020-11-11 18:54:21.394  INFO 22472 --- [           main] c.a.d.s.b.a.DruidDataSourceAutoConfigure : Init DruidDataSource

2020-11-11 18:54:23.716  INFO 22472 --- [           main] com.alibaba.druid.pool.DruidDataSource   : {dataSource-1} inited

2020-11-11 18:54:29.047  INFO 22472 --- [           main] o.s.s.concurrent.ThreadPoolTaskExecutor  : Initializing ExecutorService 'applicationTaskExecutor'

2020-11-11 18:54:30.182  INFO 22472 --- [           main] uration$$EnhancerBySpringCGLIB$$495f8bfd : No deployment resources were found for autodeployment

2020-11-11 18:54:30.414  INFO 22472 --- [           main] uration$$EnhancerBySpringCGLIB$$e506485d : No deployment resources were found for autodeployment

2020-11-11 18:54:30.504  INFO 22472 --- [           main] uration$$EnhancerBySpringCGLIB$$a0e0cdef : No deployment resources were found for autodeployment

2020-11-11 18:54:30.578  INFO 22472 --- [           main] uration$$EnhancerBySpringCGLIB$$f8c883b7 : No deployment resources were found for autodeployment

2020-11-11 18:54:30.633  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : Found 6 Engine Configurators in total:

2020-11-11 18:54:30.633  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : class org.flowable.engine.spring.configurator.SpringProcessEngineConfigurator (priority:50000)

2020-11-11 18:54:30.634  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : class org.flowable.idm.spring.configurator.SpringIdmEngineConfigurator (priority:100000)

2020-11-11 18:54:30.634  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : class org.flowable.dmn.spring.configurator.SpringDmnEngineConfigurator (priority:200000)

2020-11-11 18:54:30.634  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : class org.flowable.form.spring.configurator.SpringFormEngineConfigurator (priority:300000)

2020-11-11 18:54:30.634  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : class org.flowable.content.spring.configurator.SpringContentEngineConfigurator (priority:400000)

2020-11-11 18:54:30.634  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : class org.flowable.cmmn.spring.configurator.SpringCmmnEngineConfigurator (priority:500000)

2020-11-11 18:54:30.634  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : Executing beforeInit() of class org.flowable.engine.spring.configurator.SpringProcessEngineConfigurator (priority:50000)

2020-11-11 18:54:30.637  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : Executing beforeInit() of class org.flowable.idm.spring.configurator.SpringIdmEngineConfigurator (priority:100000)

2020-11-11 18:54:30.639  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : Executing beforeInit() of class org.flowable.dmn.spring.configurator.SpringDmnEngineConfigurator (priority:200000)

2020-11-11 18:54:30.641  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : Executing beforeInit() of class org.flowable.form.spring.configurator.SpringFormEngineConfigurator (priority:300000)

2020-11-11 18:54:30.643  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : Executing beforeInit() of class org.flowable.content.spring.configurator.SpringContentEngineConfigurator (priority:400000)

2020-11-11 18:54:30.645  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : Executing beforeInit() of class org.flowable.cmmn.spring.configurator.SpringCmmnEngineConfigurator (priority:500000)

2020-11-11 18:54:31.704  INFO 22472 --- [           main] o.f.a.s.SpringAppEngineConfiguration     : Executing configure() of class org.flowable.engine.spring.configurator.SpringProcessEngineConfigurator (priority:50000)

2020-11-11 18:54:51.267 ERROR 22472 --- [           main] com.alibaba.druid.pool.DruidDataSource   : discard connection


java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.

at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:110)

at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)

at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:89)

at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:63)

at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:73)

at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)

at com.mysql.cj.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:1865)

at com.alibaba.druid.pool.DruidPooledConnection.rollback(DruidPooledConnection.java:788)

at org.springframework.jdbc.datasource.DataSourceTransactionManager.doRollback(DataSourceTransactionManager.java:344)

at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:835)

at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:809)

at org.springframework.transaction.support.TransactionTemplate.rollbackOnException(TransactionTemplate.java:168)

at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:144)

at org.flowable.common.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:56)

at org.flowable.common.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30)

at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:56)

at org.flowable.engine.impl.ProcessEngineImpl.<init>(ProcessEngineImpl.java:78)

at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.buildProcessEngine(ProcessEngineConfigurationImpl.java:916)

at org.flowable.spring.SpringProcessEngineConfiguration.buildProcessEngine(SpringProcessEngineConfiguration.java:72)

at org.flowable.engine.spring.configurator.SpringProcessEngineConfigurator.initProcessEngine(SpringProcessEngineConfigurator.java:60)

at org.flowable.engine.spring.configurator.SpringProcessEngineConfigurator.configure(SpringProcessEngineConfigurator.java:49)

at org.flowable.common.engine.impl.AbstractEngineConfiguration.configuratorsAfterInit(AbstractEngineConfiguration.java:923)

at org.flowable.app.engine.AppEngineConfiguration.init(AppEngineConfiguration.java:223)

at org.flowable.app.engine.AppEngineConfiguration.buildAppEngine(AppEngineConfiguration.java:181)

at org.flowable.app.spring.SpringAppEngineConfiguration.buildAppEngine(SpringAppEngineConfiguration.java:63)

at org.flowable.app.spring.AppEngineFactoryBean.getObject(AppEngineFactoryBean.java:59)

at org.flowable.app.spring.AppEngineFactoryBean.getObject(AppEngineFactoryBean.java:31)

at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:169)

at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:101)

at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1828)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getObjectForBeanInstance(AbstractAutowireCapableBeanFactory.java:1265)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)

at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)

at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:884)

at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:788)

at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:538)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)

at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)

at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:884)

at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:788)

at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:538)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)

at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)

at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:884)

at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:788)

at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:227)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1356)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1203)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:897)

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:879)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551)

at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)

at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747)

at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:405)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)

at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:140)

at org.springblade.core.launch.BladeApplication.run(BladeApplication.java:50)

at org.springblade.Application.main(Application.java:34)

Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)

at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)

at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)

at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:1171)

at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:576)

at com.mysql.cj.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:1819)

... 78 common frames omitted

Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure


The last packet successfully received from the server was 19,170 milliseconds ago. The last packet sent successfully to the server was 19,205 milliseconds ago.

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)

at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)

at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)

at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)

at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:544)

at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:708)

at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:647)

at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:946)

at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:892)

at com.mysql.cj.NativeSession.execSQL(NativeSession.java:1073)

at com.mysql.cj.jdbc.StatementImpl.executeQuery(StatementImpl.java:1168)

at com.mysql.cj.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:3702)

at com.mysql.cj.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:3684)

at com.mysql.cj.jdbc.IterateBlock.doForAll(IterateBlock.java:56)

at com.mysql.cj.jdbc.DatabaseMetaData.getTables(DatabaseMetaData.java:3859)

at org.flowable.common.engine.impl.db.AbstractSqlScriptBasedDbSchemaManager.isTablePresent(AbstractSqlScriptBasedDbSchemaManager.java:152)

at org.flowable.engine.impl.db.ProcessDbSchemaManager.isHistoryTablePresent(ProcessDbSchemaManager.java:267)

at org.flowable.engine.impl.db.ProcessDbSchemaManager.schemaCheckVersion(ProcessDbSchemaManager.java:45)

at org.flowable.engine.impl.SchemaOperationsProcessEngineBuild.execute(SchemaOperationsProcessEngineBuild.java:51)

at org.flowable.engine.impl.SchemaOperationsProcessEngineBuild.execute(SchemaOperationsProcessEngineBuild.java:28)

at org.flowable.engine.impl.interceptor.CommandInvoker$1.run(CommandInvoker.java:51)

at org.flowable.engine.impl.interceptor.CommandInvoker.executeOperation(CommandInvoker.java:93)

at org.flowable.engine.impl.interceptor.CommandInvoker.executeOperations(CommandInvoker.java:72)

at org.flowable.engine.impl.interceptor.CommandInvoker.execute(CommandInvoker.java:56)

at org.flowable.engine.impl.interceptor.BpmnOverrideContextInterceptor.execute(BpmnOverrideContextInterceptor.java:25)

at org.flowable.common.engine.impl.interceptor.TransactionContextInterceptor.execute(TransactionContextInterceptor.java:53)

at org.flowable.common.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:72)

at org.flowable.common.spring.SpringTransactionInterceptor.lambda$execute$0(SpringTransactionInterceptor.java:56)

at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)

... 72 common frames omitted

Caused by: java.net.SocketTimeoutException: Read timed out

at java.net.SocketInputStream.socketRead0(Native Method)

at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)

at java.net.SocketInputStream.read(SocketInputStream.java:171)

at java.net.SocketInputStream.read(SocketInputStream.java:141)

at com.mysql.cj.protocol.ReadAheadInputStream.fill(ReadAheadInputStream.java:107)

at com.mysql.cj.protocol.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:150)

at com.mysql.cj.protocol.ReadAheadInputStream.read(ReadAheadInputStream.java:180)

at java.io.FilterInputStream.read(FilterInputStream.java:133)

at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)

at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)

at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)

at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)

at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)

at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)

at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)

at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:538)

... 96 common frames omitted


2020-11-11 18:54:51.271 ERROR 22472 --- [           main] o.s.t.support.TransactionTemplate        : Application exception overridden by rollback exception


org.flowable.common.engine.api.FlowableException: couldn't check if tables are already present using metadata: Communications link failure


The last packet successfully received from the server was 19,170 milliseconds ago. The last packet sent successfully to the server was 19,205 milliseconds ago.

at org.flowable.common.engine.impl.db.AbstractSqlScriptBasedDbSchemaManager.isTablePresent(AbstractSqlScriptBasedDbSchemaManager.java:165)

at org.flowable.engine.impl.db.ProcessDbSchemaManager.isHistoryTablePresent(ProcessDbSchemaManager.java:267)

at org.flowable.engine.impl.db.ProcessDbSchemaManager.schemaCheckVersion(ProcessDbSchemaManager.java:45)

at org.flowable.engine.impl.SchemaOperationsProcessEngineBuild.execute(SchemaOperationsProcessEngineBuild.java:51)

at org.flowable.engine.impl.SchemaOperationsProcessEngineBuild.execute(SchemaOperationsProcessEngineBuild.java:28)

at org.flowable.engine.impl.interceptor.CommandInvoker$1.run(CommandInvoker.java:51)

at org.flowable.engine.impl.interceptor.CommandInvoker.executeOperation(CommandInvoker.java:93)

at org.flowable.engine.impl.interceptor.CommandInvoker.executeOperations(CommandInvoker.java:72)

at org.flowable.engine.impl.interceptor.CommandInvoker.execute(CommandInvoker.java:56)

at org.flowable.engine.impl.interceptor.BpmnOverrideContextInterceptor.execute(BpmnOverrideContextInterceptor.java:25)

at org.flowable.common.engine.impl.interceptor.TransactionContextInterceptor.execute(TransactionContextInterceptor.java:53)

at org.flowable.common.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:72)

at org.flowable.common.spring.SpringTransactionInterceptor.lambda$execute$0(SpringTransactionInterceptor.java:56)

at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)

at org.flowable.common.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:56)

at org.flowable.common.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30)

at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:56)

at org.flowable.engine.impl.ProcessEngineImpl.<init>(ProcessEngineImpl.java:78)

at org.flowable.engine.impl.cfg.ProcessEngineConfigurationImpl.buildProcessEngine(ProcessEngineConfigurationImpl.java:916)

at org.flowable.spring.SpringProcessEngineConfiguration.buildProcessEngine(SpringProcessEngineConfiguration.java:72)

at org.flowable.engine.spring.configurator.SpringProcessEngineConfigurator.initProcessEngine(SpringProcessEngineConfigurator.java:60)

at org.flowable.engine.spring.configurator.SpringProcessEngineConfigurator.configure(SpringProcessEngineConfigurator.java:49)

at org.flowable.common.engine.impl.AbstractEngineConfiguration.configuratorsAfterInit(AbstractEngineConfiguration.java:923)

at org.flowable.app.engine.AppEngineConfiguration.init(AppEngineConfiguration.java:223)

at org.flowable.app.engine.AppEngineConfiguration.buildAppEngine(AppEngineConfiguration.java:181)

at org.flowable.app.spring.SpringAppEngineConfiguration.buildAppEngine(SpringAppEngineConfiguration.java:63)

at org.flowable.app.spring.AppEngineFactoryBean.getObject(AppEngineFactoryBean.java:59)

at org.flowable.app.spring.AppEngineFactoryBean.getObject(AppEngineFactoryBean.java:31)

at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:169)

at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:101)

at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1828)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getObjectForBeanInstance(AbstractAutowireCapableBeanFactory.java:1265)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)

at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)

at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:884)

at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:788)

at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:538)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)

at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)

at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:884)

at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:788)

at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:538)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1336)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1176)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)

at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1307)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1227)

at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:884)

at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:788)

at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:227)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1356)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1203)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:556)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)

at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:897)

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:879)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:551)

at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)

at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747)

at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:405)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)

at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:140)

at org.springblade.core.launch.BladeApplication.run(BladeApplication.java:50)

at org.springblade.Application.main(Application.java:34)

Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure


The last packet successfully received from the server was 19,170 milliseconds ago. The last packet sent successfully to the server was 19,205 milliseconds ago.

at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)

at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)

at com.mysql.cj.jdbc.StatementImpl.executeQuery(StatementImpl.java:1200)

at com.mysql.cj.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:3702)

at com.mysql.cj.jdbc.DatabaseMetaData$9.forEach(DatabaseMetaData.java:3684)

at com.mysql.cj.jdbc.IterateBlock.doForAll(IterateBlock.java:56)

at com.mysql.cj.jdbc.DatabaseMetaData.getTables(DatabaseMetaData.java:3859)

at org.flowable.common.engine.impl.db.AbstractSqlScriptBasedDbSchemaManager.isTablePresent(AbstractSqlScriptBasedDbSchemaManager.java:152)

... 85 common frames omitted

Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure


The last packet successfully received from the server was 19,170 milliseconds ago. The last packet sent successfully to the server was 19,205 milliseconds ago.

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)

at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)

at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)

at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)

at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:544)

at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:708)

at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:647)

at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:946)

at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:892)

at com.mysql.cj.NativeSession.execSQL(NativeSession.java:1073)

at com.mysql.cj.jdbc.StatementImpl.executeQuery(StatementImpl.java:1168)

... 90 common frames omitted

Caused by: java.net.SocketTimeoutException: Read timed out

at java.net.SocketInputStream.socketRead0(Native Method)

at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)

at java.net.SocketInputStream.read(SocketInputStream.java:171)

at java.net.SocketInputStream.read(SocketInputStream.java:141)

at com.mysql.cj.protocol.ReadAheadInputStream.fill(ReadAheadInputStream.java:107)

at com.mysql.cj.protocol.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:150)

at com.mysql.cj.protocol.ReadAheadInputStream.read(ReadAheadInputStream.java:180)

at java.io.FilterInputStream.read(FilterInputStream.java:133)

at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)

at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)

at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)

at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)

at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)

at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)

at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)

at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:538)

... 96 common frames omitted


2020-11-11 18:54:51.275  WARN 22472 --- [           main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'workController' defined in file [D:\IdeaProjects\jinmao\JMPM-BladeX-Boot\target\classes\org\springblade\flow\business\controller\WorkController.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'taskServiceBean' defined in class path resource [org/flowable/spring/boot/ProcessEngineServicesAutoConfiguration.class]: Unsatisfied dependency expressed through method 'taskServiceBean' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'processEngine' defined in class path resource [org/flowable/spring/boot/ProcessEngineServicesAutoConfiguration$AlreadyInitializedAppEngineConfiguration.class]: Unsatisfied dependency expressed through method 'processEngine' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flowableAppEngine': FactoryBean threw exception on object creation; nested exception is org.springframew

1条回答
  • 2020-11-11 21:45

     1. 需要先从2.6.0升级至2.6.1,然后再升级至2.7.0

     2. 会有可能升级的时候忽略了一些细节,代码没有升级完整导致出错

     3. 看报错是没有链接到数据库,这个与工程无关

    Communications link failure
    The last packet successfully received from the server was 19,170 milliseconds ago. The last packet sent successfully to the server was 19,205 milliseconds ago.


    作者追问:2020-11-13 16:34

    大佬,你好!代码我已经更新好了,问题还是没有解决。我今天测试时还会出现下面的问题,就是程序跑起来后隔几个小时后打印数据源连接存在Error。比如下面的日志:2020-11-13 10:08:48.696 程序启动好后,等到下午2020-11-13 14:37:14.306,就出现同样的ERROR 问题了。不知道什么原因会造成什么样的影响,还请大佬明示,非常感谢!


    2020-11-13 10:08:48.563  INFO 25288 --- [           main] io.undertow                              : starting server: Undertow - 2.0.32.Final

    2020-11-13 10:08:48.574  INFO 25288 --- [           main] org.xnio                                 : XNIO version 3.3.8.Final

    2020-11-13 10:08:48.588  INFO 25288 --- [           main] org.xnio.nio                             : XNIO NIO Implementation Version 3.3.8.Final

    2020-11-13 10:08:48.677  INFO 25288 --- [           main] o.s.b.w.e.u.UndertowServletWebServer     : Undertow started on port(s) 80 (http) with context path ''

    2020-11-13 10:08:48.687  INFO 25288 --- [           main] org.springblade.Application              : Started Application in 31.614 seconds (JVM running for 33.399)

    2020-11-13 10:08:48.696  INFO 25288 --- [   async-task-1] o.s.core.launch.StartEventListener       : ---[BLADE-API]---启动完成,当前使用的端口:[80],环境变量:[dev]---

    2020-11-13 14:37:14.306 ERROR 25288 --- [uire-async-jobs] c.a.druid.pool.DruidAbstractDataSource   : discard long time none received connection. , jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, lastPacketReceivedIdleMillis : 14976758

    2020-11-13 14:37:14.307 ERROR 25288 --- [uire-async-jobs] c.a.druid.pool.DruidAbstractDataSource   : discard long time none received connection. , jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, lastPacketReceivedIdleMillis : 16027050

    2020-11-13 14:37:14.308 ERROR 25288 --- [uire-async-jobs] c.a.druid.pool.DruidAbstractDataSource   : discard long time none received connection. , jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, lastPacketReceivedIdleMillis : 16117075

    2020-11-13 14:37:14.308 ERROR 25288 --- [uire-async-jobs] c.a.druid.pool.DruidAbstractDataSource   : discard long time none received connection. , jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, lastPacketReceivedIdleMillis : 16117077

    2020-11-13 14:37:14.309 ERROR 25288 --- [uire-async-jobs] c.a.druid.pool.DruidAbstractDataSource   : discard long time none received connection. , jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, jdbcUrl : jdbc:mysql://127.0.0.1:3306/bladex_boot_jmpm?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true&rewriteBatchedStatements=true, lastPacketReceivedIdleMillis : 16130086


    作者追问:2020-11-13 19:33

    可能原因是我办公室一个服务器开的代理服务影响了druid,目前半个小时了,没再打印连接不上的log。后续我在观察一下,谢谢大佬!

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