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Apache Tomcat 6 Webサーバーでバックエンドがmysql 5.1.37であるCAS 3.4.5を使用しています。 mysql-jdbc-connector version 5.12を使用して、Javaスプリングフレームワークで書かれたCASからバックエンドに接続しています。MYSQL接続をリセットする
間欠的に、mysqlはCASが要求する持続的接続を閉じています。これを避ける方法はありますか？どんなアイデアも本当に感謝しています。
mysqlが接続をリセットするときにCASが受け取るエラーを貼り付けています。
org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet cas threw exception
java.net.SocketException: Connection reset
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:96)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3298)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1941)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2114)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2696)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2105)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2264)
at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
at org.springframework.jdbc.core.JdbcTemplate$1.doInPreparedStatement(JdbcTemplate.java:643)
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:586)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:636)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:665)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:673)
at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:728)
at org.springframework.jdbc.core.JdbcTemplate.queryForObject(JdbcTemplate.java:744)
at org.springframework.jdbc.core.simple.SimpleJdbcTemplate.queryForObject(SimpleJdbcTemplate.java:143)
at org.jasig.cas.adaptors.jdbc.QueryDatabaseAuthenticationHandler.authenticateUsernamePasswordInternal(QueryDatabaseAuthenticationHandler.java:38)
at org.jasig.cas.authentication.handler.support.AbstractUsernamePasswordAuthenticationHandler.doAuthentication(AbstractUsernamePasswordAuthenticationHandler.java:58)
at org.jasig.cas.authentication.handler.support.AbstractPreAndPostProcessingAuthenticationHandler.authenticate_aroundBody2(AbstractPreAndPostProcessingAuthenticationHandler.java:72)
at org.jasig.cas.authentication.handler.support.AbstractPreAndPostProcessingAuthenticationHandler.authenticate_aroundBody3$advice(AbstractPreAndPostProcessingAuthenticationHandler.java:44)
at org.jasig.cas.authentication.handler.support.AbstractPreAndPostProcessingAuthenticationHandler.authenticate(AbstractPreAndPostProcessingAuthenticationHandler.java:1)
at org.jasig.cas.authentication.AuthenticationManagerImpl.authenticateAndObtainPrincipal(AuthenticationManagerImpl.java:78)
at org.jasig.cas.authentication.AbstractAuthenticationManager.authenticate_aroundBody0(AbstractAuthenticationManager.java:42)
at org.jasig.cas.authentication.AbstractAuthenticationManager.authenticate_aroundBody1$advice(AbstractAuthenticationManager.java:44)
at org.jasig.cas.authentication.AbstractAuthenticationManager.authenticate(AbstractAuthenticationManager.java:1)
at org.jasig.cas.CentralAuthenticationServiceImpl.createTicketGrantingTicket_aroundBody10(CentralAuthenticationServiceImpl.java:413)
at org.jasig.cas.CentralAuthenticationServiceImpl.createTicketGrantingTicket_aroundBody11$advice(CentralAuthenticationServiceImpl.java:44)
at org.jasig.cas.CentralAuthenticationServiceImpl.createTicketGrantingTicket(CentralAuthenticationServiceImpl.java:1)
at sun.reflect.GeneratedMethodAccessor67.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.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
at org.perf4j.aop.AbstractTimingAspect.doPerfLogging(AbstractTimingAspect.java:71)
at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at $Proxy26.createTicketGrantingTicket(Unknown Source)
at org.jasig.cas.web.flow.AuthenticationViaFormAction.submit_aroundBody2(AuthenticationViaFormAction.java:85)
at org.jasig.cas.web.flow.AuthenticationViaFormAction.submit_aroundBody3$advice(AuthenticationViaFormAction.java:44)
at org.jasig.cas.web.flow.AuthenticationViaFormAction.submit(AuthenticationViaFormAction.java:1)
at sun.reflect.GeneratedMethodAccessor66.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:851)
at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:1253)
at ognl.ObjectMethodAccessor.callMethod(ObjectMethodAccessor.java:68)
at ognl.OgnlRuntime.callMethod(OgnlRuntime.java:1329)
at ognl.ASTMethod.getValueBody(ASTMethod.java:90)
at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
at ognl.SimpleNode.getValue(SimpleNode.java:258)
at ognl.ASTChain.getValueBody(ASTChain.java:141)
at ognl.SimpleNode.evaluateGetValueBody(SimpleNode.java:212)
at ognl.SimpleNode.getValue(SimpleNode.java:258)
at ognl.Ognl.getValue(Ognl.java:494)
at org.springframework.binding.expression.ognl.OgnlExpression.getValue(OgnlExpression.java:85)
at org.springframework.webflow.action.EvaluateAction.doExecute(EvaluateAction.java:75)
at org.springframework.webflow.action.AbstractAction.execute(AbstractAction.java:188)
at org.springframework.webflow.execution.AnnotatedAction.execute(AnnotatedAction.java:145)
at org.springframework.webflow.execution.ActionExecutor.execute(ActionExecutor.java:51)
at org.springframework.webflow.engine.ActionState.doEnter(ActionState.java:101)
at org.springframework.webflow.engine.State.enter(State.java:194)
at org.springframework.webflow.engine.Transition.execute(Transition.java:227)
at org.springframework.webflow.engine.impl.FlowExecutionImpl.execute(FlowExecutionImpl.java:391)
at org.springframework.webflow.engine.impl.RequestControlContextImpl.execute(RequestControlContextImpl.java:214)
at org.springframework.webflow.engine.TransitionableState.handleEvent(TransitionableState.java:119)
at org.springframework.webflow.engine.Flow.handleEvent(Flow.java:555)
at org.springframework.webflow.engine.impl.FlowExecutionImpl.handleEvent(FlowExecutionImpl.java:386)
at org.springframework.webflow.engine.impl.RequestControlContextImpl.handleEvent(RequestControlContextImpl.java:210)
at org.springframework.webflow.engine.ViewState.handleEvent(ViewState.java:254)
at org.springframework.webflow.engine.ViewState.resume(ViewState.java:218)
at org.springframework.webflow.engine.Flow.resume(Flow.java:545)
at org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:259)
at org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:169)
at org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.jasig.cas.web.init.SafeDispatcherServlet.service_aroundBody2(SafeDispatcherServlet.java:115)
at org.jasig.cas.web.init.SafeDispatcherServlet.service_aroundBody3$advice(SafeDispatcherServlet.java:44)
at org.jasig.cas.web.init.SafeDispatcherServlet.service(SafeDispatcherServlet.java:1)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.github.inspektr.common.web.ClientInfoThreadLocalFilter.doFilter(ClientInfoThreadLocalFilter.java:46)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
私が投稿したこの質問は、私が最後にしたことは、接続が切断された場合に自動接続するスイッチを使用していたことでした。それが問題を解決した –