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ClassCastException under heavy load
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created by <a href="http://community.jboss.org/people/cornhoolio22">Markus Falk</a> in <i>JBoss Remoting</i> - <a href="http://community.jboss.org/message/584322#584322">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm looking at the same problems as described here:</p><p><a class="jive-link-external-small" href="http://community.jboss.org/thread/111357" target="_blank">http://community.jboss.org/thread/111357</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Under heavy load ClassCastExceptions are thrown.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The situation:</p><p>2 ears on one server (4.2.3, jbm 1.4.5, jboss-remoting 2.2.3.SP1) calling the same ejb on another appserver (same configuration) with the same value object.</p><p>When producing heavy load on ear 1 (10 threads parallel as clients) and then calling one time ear 2, a ClassCastException is thrown. Will list it below the text.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span>I found a fix for the problem in </span><a class="jive-link-external-small" href="https://issues.jboss.org/browse/JBREM-900" target="_blank">https://issues.jboss.org/browse/JBREM-900</a><span>. This fix seems not to be in the 2.2.3SP1 nor in the 2.2.3.SP3 release. </span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span>I also read in the JIRA (</span><a class="jive-link-external-small" href="http://community.jboss.org/message/583757#583757" target="_blank">http://community.jboss.org/message/583757</a><span>) that there will be a 2.2.3SP4 release (hope soon ;-) ) and found a preversion from Ron (</span><a class="jive-link-external-small" href="https://issues.jboss.org/browse/JBREM-1144" target="_blank">https://issues.jboss.org/browse/JBREM-1144</a><span>). But the fix is also not in there (the test fails again).</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>When I use the 2.4.0.SP1 remoting version, the test succeeds. But the Messaging System is not able to work with this version, because of changes in the Client class (the connect method params were changed).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span>Is it possible, to release the Bugfix described in </span><a class="jive-link-external-small" href="https://issues.jboss.org/browse/JBREM-900" target="_blank">https://issues.jboss.org/browse/JBREM-900</a><span> with the 2.2.3.SP4 release?</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thx and Regards,</p><p>Markus</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>javax.ejb.EJBException: java.lang.ClassCastException: </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>org.cornhoolio22.ejbclassloadertestservice.ejbclassloadertestservice_calledclient.dto.CalledDto cannot be cast to org.cornhoolio22.ejbclassloadertestservice.ejbclassloadertestservice_calledclient.dto.CalledDto</p><p>    at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:63)</p><p>    at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)</p><p>    at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:95)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)</p><p>    at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:110)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at com.oneandone.coredev.swistec.cxfinterceptor.CxfInterceptorSpringBusCleanup.invoke(CxfInterceptorSpringBusCleanup.java:109)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:304)</p><p>    at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)</p><p>    at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)</p><p>    at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:900)</p><p>    at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:634)</p><p>    at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:409)</p><p>    at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:176)</p><p>Caused by: java.lang.ClassCastException: org.cornhoolio22.ejbclassloadertestservice.ejbclassloadertestservice_calledclient.dto.CalledDto cannot be cast to org.cornhoolio22.ejbclassloadertestservice.ejbclassloadertestservice_calledclient.dto.CalledDto</p><p>    at $Proxy336.callService(Unknown Source)</p><p>    at org.cornhoolio22.ejbclassloadertestservice.ejbclassloadertestservice_callejb2.impl.ServiceBean.callService(ServiceBean.java:38)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)</p><p>    at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)</p><p>    at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)</p><p>    at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:95)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)</p><p>    at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:110)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at com.oneandone.coredev.swistec.cxfinterceptor.CxfInterceptorSpringBusCleanup.invoke(CxfInterceptorSpringBusCleanup.java:109)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:304)</p><p>    at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)</p><p>    at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)</p><p>    at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:900)</p><p>    at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:634)</p><p>    at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:409)</p><p>    at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:176)</p><p>    at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:163)</p><p>    at org.jboss.remoting.Client.invoke(Client.java:1634)</p><p>    at org.jboss.remoting.Client.invoke(Client.java:548)</p><p>    at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:62)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:67)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:53)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:74)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:107)</p><p>    at $Proxy4.callService(Unknown Source)</p><p>    at org.cornhoolio22.ejbclassloadertestservice.ejbclassloadertestservice_callejb2.SampleServiceTestCall3.testSampleServiceCall3(SampleServiceTestCall3.java:48)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)</p><p>    at org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)</p><p>    at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)</p><p>    at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)</p><p>    at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)</p><p>    at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)</p><p>    at org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)</p><p>    at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)</p><p>    at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)</p><p>    at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)</p><p>    at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)</p><p>    at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)</p><p>    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)</p><p>    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)</p><p>    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)</p><p>    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)</p><p>    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)</p><p>    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)</p><p>    at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:74)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:67)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.aspects.security.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:53)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:74)</p><p>    at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)</p><p>    at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:107)</p><p>    at $Proxy4.callService(Unknown Source)</p><p>    at org.cornhoolio22.ejbclassloadertestservice.ejbclassloadertestservice_callejb2.SampleServiceTestCall3.testSampleServiceCall3(SampleServiceTestCall3.java:48)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)</p><p>    at org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)</p><p>    at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)</p><p>    at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)</p><p>    at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)</p><p>    at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)</p><p>    at org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)</p><p>    at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)</p><p>    at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)</p><p>    at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)</p><p>    at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)</p><p>    at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)</p><p>    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)</p><p>    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)</p><p>    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)</p><p>    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)</p><p>    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)</p><p>    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)</p></div>
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