连接断开原因

Posted 2023-04-01

【中文标题】连接断开原因

【英文标题】：Broken connection reason

【发布时间】：2012-04-21 11:38:48

【问题描述】：

我正在使用 Apache JMeter 测试我的 Spring MVC Web 应用程序，但是我在连接 h2db 池时遇到了一些问题。

我的测试包含 5 个线程和 100 个循环。我在 glassfish 服务器上测试注册流程。 首先，作为数据库连接类，我使用了org.springframework.jdbc.datasource.DriverManagerDataSource，但我的连接在测试过程中被挂起。现在，我使用带有以下参数的 DBCP：

<property name="initialSize" value="1"/>
<property name="maxActive" value="100"/>
<property name="maxIdle" value="10"/>

很遗憾，测试仍然暂停。我得到：

  org.h2.jdbc.JdbcSQLException: Broken connection: "session closed"
Connection is broken: "session closed" [90067-164]
  at org.h2.message.DbException.getJdbcSQLException(DbException.java:329)
  at org.h2.message.DbException.get(DbException.java:169)
  at org.h2.message.DbException.get(DbException.java:146)
  at org.h2.engine.SessionRemote.checkClosed(SessionRemote.java:500)
  at org.h2.engine.SessionRemote.removeServer(SessionRemote.java:431)
  at org.h2.command.CommandRemote.prepare(CommandRemote.java:80)
  at org.h2.command.CommandRemote.<init>(CommandRemote.java:46)
  at org.h2.engine.SessionRemote.prepareCommand(SessionRemote.java:437)
  at org.h2.jdbc.JdbcConnection.prepareCommand(JdbcConnection.java:1125)
  at org.h2.jdbc.JdbcConnection.rollbackInternal(JdbcConnection.java:1427)
  at org.h2.jdbc.JdbcConnection.rollback(JdbcConnection.java:467)
  at org.apache.commons.dbcp.DelegatingConnection.rollback(DelegatingConnection.java:368)
  at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.rollback(PoolingDataSource.java:323)
  at org.hibernate.transaction.JDBCTransaction.rollbackAndResetAutoCommit(JDBCTransaction.java:213)
  at org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:192)
  at org.springframework.orm.hibernate3.HibernateTransactionManager.doRollback(HibernateTransactionManager.java:597)
  at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:845)
  at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:822)
  at org.springframework.transaction.interceptor.TransactionAspectSupport.completeTransactionAfterThrowing(TransactionAspectSupport.java:411)
  at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:114)
  at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
  at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
  at $Proxy137.save(Unknown Source)
  at com.car.rental.controllers.user.RegisterFormController.processSubmit(RegisterFormController.java:95)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
  at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
  at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
  at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
  at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
  at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
  at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
  at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
  at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
  at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
  at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
  at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
  at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
  at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
  at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
  at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
  at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
  at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
  at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
  at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
  at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
  at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
  at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
  at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
  at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
  at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
  at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
  at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
  at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
  at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
  at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
  at java.lang.Thread.run(Thread.java:662)

说明事务回滚存在一些问题。我的注册表单参数包含一个图像文件 (34,7 kB)。在性能测试期间不应该使用这些文件吗？

有人知道原因或解决方案吗？

【参考方案1】：

这似乎是数据库系统错误/错误。当我使用 mysql 启动同一个应用程序时，一切正常。