嗨，我知道这是一个重复的问题，很多人都遇到过这个问题。
我也得到了同样的错误，我想问题是我的sql配置。
datasource.maxActive = 100
datasource.maxIdle = 10
datasource.maxWait = 1000
我是否需要更改datasource.maxIdle以消除此错误？以下是错误
错误2016-05-05 05：45：55,008 [[gmp] .Execute Data Prep.9] com.vnu.gmp.mule.consumers.ExecuteDataPrepConsumer：ExecuteDataPrepConsumer失败，studyTag [S000001] workflowname [wf_Process_Data]的异常和taskname [wklt_CMN_Initial_Load]。
org.springframework.transaction.CannotCreateTransactionException：无法打开Hibernate Session进行事务处理;嵌套异常是org.hibernate.TransactionException：JDBC开始失败：
at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:596)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:371)
at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:316)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:105)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at sun.proxy.$Proxy73.findById(Unknown Source)
at sun.reflect.GeneratedMethodAccessor290.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at com.vnu.gmp.common.aop.methodinterceptor.PerformanceInterceptor.invoke(PerformanceInterceptor.java:97)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at sun.proxy.$Proxy73.findById(Unknown Source)
at com.vnu.gmp.mule.consumers.ExecuteDataPrepConsumer.onCall(ExecuteDataPrepConsumer.java:218)
at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:50)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at sun.proxy.$Proxy354.onCall(Unknown Source)
at org.mule.model.resolvers.CallableEntryPointResolver.invoke(CallableEntryPointResolver.java:50)
at org.mule.model.resolvers.DefaultEntryPointResolverSet.invoke(DefaultEntryPointResolverSet.java:45)
at org.mule.component.DefaultComponentLifecycleAdapter.invoke(DefaultComponentLifecycleAdapter.java:350)
at org.mule.component.AbstractJavaComponent.invokeComponentInstance(AbstractJavaComponent.java:90)
at org.mule.component.AbstractJavaComponent.doInvoke(AbstractJavaComponent.java:81)
at org.mule.component.AbstractComponent.invokeInternal(AbstractComponent.java:113)
at org.mule.component.AbstractComponent.access$000(AbstractComponent.java:51)
at org.mule.component.AbstractComponent$1.process(AbstractComponent.java:241)
at org.mule.processor.builder.InterceptingChainMessageProcessorBuilder$InterceptingMessageProcessorAdapter.process(InterceptingChainMessageProcessorBuilder.java:185)
at org.mule.processor.AbstractInterceptingMessageProcessor.processNext(AbstractInterceptingMessageProcessor.java:57)
at org.mule.interceptor.AbstractEnvelopeInterceptor.process(AbstractEnvelopeInterceptor.java:37)
at org.mule.processor.AbstractInterceptingMessageProcessor.processNext(AbstractInterceptingMessageProcessor.java:57)
at com.vnu.gmp.mule.interceptor.OpenHibernateSessionInEnvelopeInterceptor.process(OpenHibernateSessionInEnvelopeInterceptor.java:93)
at org.mule.processor.AbstractInterceptingMessageProcessor.processNext(AbstractInterceptingMessageProcessor.java:57)
at org.mule.interceptor.AbstractEnvelopeInterceptor.process(AbstractEnvelopeInterceptor.java:37)
at org.mule.processor.builder.InterceptingChainCompositeMessageProcessor.process(InterceptingChainCompositeMessageProcessor.java:65)
at org.mule.component.AbstractComponent.process(AbstractComponent.java:146)
at org.mule.service.processor.ServiceInternalMessageProcessor.process(ServiceInternalMessageProcessor.java:56)
at org.mule.processor.AbstractInterceptingMessageProcessor.processNext(AbstractInterceptingMessageProcessor.java:57)
at org.mule.processor.SedaStageInterceptingMessageProcessor$SedaStageWorker.doRun(SedaStageInterceptingMessageProcessor.java:170)
at org.mule.work.AbstractMuleEventWork.run(AbstractMuleEventWork.java:41)
at org.mule.work.WorkerContext.run(WorkerContext.java:309)
at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1061)
at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575)
at java.lang.Thread.run(Thread.java:662)
引起：org.hibernate.TransactionException：JDBC开始失败：
at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:68)
at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326)
at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:555)
... 52 more
引起：com.mysql.jdbc.CommunicationsException：由于基础异常导致通信链接失败：
**开始没有异常**
java.io.EOFException的
堆栈跟踪：
java.io.EOFException的
at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1913)
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2304)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2803)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3118)
at com.mysql.jdbc.Connection.setAutoCommit(Connection.java:5215)
at org.apache.commons.dbcp.DelegatingConnection.setAutoCommit(DelegatingConnection.java:268)
at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setAutoCommit(PoolingDataSource.java:293)
at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:63)
at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326)
at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:555)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:371)
at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:316)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:105)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at sun.proxy.$Proxy73.findById(Unknown Source)
at sun.reflect.GeneratedMethodAccessor290.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at com.vnu.gmp.common.aop.methodinterceptor.PerformanceInterceptor.invoke(PerformanceInterceptor.java:97)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at sun.proxy.$Proxy73.findById(Unknown Source)
at com.vnu.gmp.mule.consumers.ExecuteDataPrepConsumer.onCall(ExecuteDataPrepConsumer.java:218)
at sun.reflect.GeneratedMethodAccessor102.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:50)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at sun.proxy.$Proxy354.onCall(Unknown Source)
at org.mule.model.resolvers.CallableEntryPointResolver.invoke(CallableEntryPointResolver.java:50)
at org.mule.model.resolvers.DefaultEntryPointResolverSet.invoke(DefaultEntryPointResolverSet.java:45)
at org.mule.component.DefaultComponentLifecycleAdapter.invoke(DefaultComponentLifecycleAdapter.java:350)
at org.mule.component.AbstractJavaComponent.invokeComponentInstance(AbstractJavaComponent.java:90)
at org.mule.component.AbstractJavaComponent.doInvoke(AbstractJavaComponent.java:81)
at org.mule.component.AbstractComponent.invokeInternal(AbstractComponent.java:113)
at org.mule.component.AbstractComponent.access$000(AbstractComponent.java:51)
at org.mule.component.AbstractComponent$1.process(AbstractComponent.java:241)
at org.mule.processor.builder.InterceptingChainMessageProcessorBuilder$InterceptingMessageProcessorAdapter.process(InterceptingChainMessageProcessorBuilder.java:185)
at org.mule.processor.AbstractInterceptingMessageProcessor.processNext(AbstractInterceptingMessageProcessor.java:57)
at org.mule.interceptor.AbstractEnvelopeInterceptor.process(AbstractEnvelopeInterceptor.java:37)
at org.mule.processor.AbstractInterceptingMessageProcessor.processNext(AbstractInterceptingMessageProcessor.java:57)
at com.vnu.gmp.mule.interceptor.OpenHibernateSessionInEnvelopeInterceptor.process(OpenHibernateSessionInEnvelopeInterceptor.java:93)
at org.mule.processor.AbstractInterceptingMessageProcessor.processNext(AbstractInterceptingMessageProcessor.java:57)
at org.mule.interceptor.AbstractEnvelopeInterceptor.process(AbstractEnvelopeInterceptor.java:37)
at org.mule.processor.builder.InterceptingChainCompositeMessageProcessor.process(InterceptingChainCompositeMessageProcessor.java:65)
at org.mule.component.AbstractComponent.process(AbstractComponent.java:146)
at org.mule.service.processor.ServiceInternalMessageProcessor.process(ServiceInternalMessageProcessor.java:56)
at org.mule.processor.AbstractInterceptingMessageProcessor.processNext(AbstractInterceptingMessageProcessor.java:57)
at org.mule.processor.SedaStageInterceptingMessageProcessor$SedaStageWorker.doRun(SedaStageInterceptingMessageProcessor.java:170)
at org.mule.work.AbstractMuleEventWork.run(AbstractMuleEventWork.java:41)
at org.mule.work.WorkerContext.run(WorkerContext.java:309)
at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1061)
at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575)
at java.lang.Thread.run(Thread.java:662)
**结束了例外**
发送到服务器的最后一个数据包是1毫秒前。
at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2515)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2803)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3118)
at com.mysql.jdbc.Connection.setAutoCommit(Connection.java:5215)
at org.apache.commons.dbcp.DelegatingConnection.setAutoCommit(DelegatingConnection.java:268)
at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setAutoCommit(PoolingDataSource.java:293)
at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:63)
... 54 more
INFO 2016-05-05 05：45：56,096 [[gmp] .Execute HLM Sas Consumer.31] com.vnu.gmp.mule.consumers.SASProgramImpl：成功执行executeSas。 DETAILS：modelTag [M000059] iterationId [5081]
INFO 2016-05-05 05：45：56,265 [[gmp] .Execute DeckVol Supplement.28] com.vnu.gmp.mule.consumers.ExecuteDeckVolSupplementSasConsumer：成功执行executeSasIteration。 DETAILS：modelTag [M000446] iterationId [1557]
INFO 2016-05-05 05：45：55,812 [[gmp] .Execute Market Contributions.37] com.vnu.gmp.mule.consumers.SASProgramImpl：ExecuteSasIteration EXE：/ work / gmp / prod / scripts / bin /StartIterationSASProgram.sh -r prod -g M000446 -i 1557 -p create_store_week_itemsold_file -R
INFO 2016-05-05 05：45：57,443 [[gmp] .Execute Market Contributions.37] com.vnu.gmp.mule.consumers.SASProgramImpl：成功执行executeSas。 DETAILS：modelTag [M000446] iterationId [1557]
INFO 2016-05-05 05：45：57,444 [[gmp] .Execute Market Contributions.37] com.vnu.gmp.mule.consumers.ExecuteInputToMarketContributions：ExecuteInputToMarketContributions成功用于M000446，iter_1557
INFO 2016-05-05 05：45：58,836 [[gmp] .Execute HLM Sas Consumer.31] com.vnu.gmp.mule.consumers.SASProgramImpl：ExecuteSasIteration EXE：/ work / gmp / prod / scripts / bin / StartIterationSASProgram.sh -r prod -g M000059 -i 5081 -p create_varmpout -R
INFO 2016-05-05 05：46：05,159 [[gmp] .Execute DeckVol Supplement.22] com.vnu.gmp.mule.consumers.ExecuteDeckVolSupplementSasConsumer：成功执行executeSasIteration。 DETAILS：modelTag [M000446] iterationId [1579]
INFO 2016-05-05 05：46：05,202 [[gmp] .Execute Market Contributions.35] com.vnu.gmp.mule.consumers.SASProgramImpl：ExecuteSasIteration EXE：/ work / gmp / prod / scripts / bin /StartIterationSASProgram.sh -r prod -g M000446 -i 1579 -p create_store_week_itemsold_file -R
INFO 2016-05-05 05：46：06,278 [[gmp] .Execute Market Contributions.35] com.vnu.gmp.mule.consumers.SASProgramImpl：成功执行executeSas。 DETAILS：modelTag [M000446] iterationId [1579]
INFO 2016-05-05 05：46：06,279 [[gmp] .Execute Market Contributions.35] com.vnu.gmp.mule.consumers.ExecuteInputToMarketContributions：ExecuteInputToMarketContributions成功为M000446，iter_1579
INFO 2016-05-05 05：46：10,218 [[gmp] .Execute BdDrillDownConsumer.25] com.vnu.gmp.mule.consumers.BdDrillDownConsumer：成功执行executeSasIteration。 DETAILS：modelTag [M000059] iterationId [4959]
INFO 2016-05-05 05：46：10,218 [[gmp] .Execute BdDrillDownConsumer.25] com.vnu.gmp.mule.consumers.BdDrillDownConsumer：已完成的BD深入研究SAS计划
INFO 2016-05-05 05：46：10,218 [[gmp] .Execute BdDrillDownConsumer.25] com.vnu.gmp.mule.consumers.BdDrillDownConsumer：对于modelTag，BdDrillDownConsumer的执行成功：M000059，iterationId：4959 ，batchId：111