Hi there, anyone knows why this error occurs. Below is an excerpt from the server log. Thanks 2009-11-24 02:50:49,503 ERROR [org.jboss.remoting.transport.socket.SocketClientInvoker] Got marshalling exception, exiting java.io.IOException: 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 java.io.DataOutputStream.flush(DataOutputStream.java:106) at org.jboss.jms.wireformat.ClientDelivery.write(ClientDelivery.java:93) at org.jboss.jms.wireformat.JMSWireFormat.write(JMSWireFormat.java:237) at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.versionedWrite(MicroSocketClientInvoker.java:971) at org.jboss.remoting.transport.socket.MicroSocketClientInvoker.transport(MicroSocketClientInvoker.java:606) at org.jboss.remoting.transport.bisocket.BisocketClientInvoker.transport(BisocketClientInvoker.java:422) at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:122) at org.jboss.remoting.Client.invoke(Client.java:1634) at org.jboss.remoting.Client.invoke(Client.java:548) at org.jboss.remoting.Client.invokeOneway(Client.java:598) at org.jboss.remoting.callback.ServerInvokerCallbackHandler.handleCallback(ServerInvokerCallbackHandler.java:826) at org.jboss.remoting.callback.ServerInvokerCallbackHandler.handleCallbackOneway(ServerInvokerCallbackHandler.java:697) at org.jboss.jms.server.endpoint.ServerSessionEndpoint.performDelivery(ServerSessionEndpoint.java:1454) at org.jboss.jms.server.endpoint.ServerSessionEndpoint.handleDelivery(ServerSessionEndpoint.java:1366) at org.jboss.jms.server.endpoint.ServerConsumerEndpoint.handle(ServerConsumerEndpoint.java:327) at org.jboss.messaging.core.impl.RoundRobinDistributor.handle(RoundRobinDistributor.java:119) at org.jboss.messaging.core.impl.MessagingQueue$DistributorWrapper.handle(MessagingQueue.java:583) at org.jboss.messaging.core.impl.ClusterRoundRobinDistributor.handle(ClusterRoundRobinDistributor.java:79) at org.jboss.messaging.core.impl.ChannelSupport.deliverInternal(ChannelSupport.java:638) at org.jboss.messaging.core.impl.MessagingQueue.deliverInternal(MessagingQueue.java:506) at org.jboss.messaging.core.impl.ChannelSupport.handle(ChannelSupport.java:239) at org.jboss.messaging.core.impl.postoffice.MessagingPostOffice.routeInternal(MessagingPostOffice.java:2212) at org.jboss.messaging.core.impl.postoffice.MessagingPostOffice.route(MessagingPostOffice.java:499) at org.jboss.jms.server.endpoint.ServerConnectionEndpoint.sendMessage(ServerConnectionEndpoint.java:763) at org.jboss.jms.server.endpoint.ServerSessionEndpoint.send(ServerSessionEndpoint.java:399) at org.jboss.jms.server.endpoint.advised.SessionAdvised.org$jboss$jms$server$endpoint$advised$SessionAdvised$send$aop(SessionAdvised.java:87) at org.jboss.jms.server.endpoint.advised.SessionAdvised$send_7280680627620114891.invokeNext(SessionAdvised$send_7280680627620114891.java) at org.jboss.jms.server.container.SecurityAspect.handleSend(SecurityAspect.java:157) at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.aop.advice.PerInstanceAdvice.invoke(PerInstanceAdvice.java:121) at org.jboss.jms.server.endpoint.advised.SessionAdvised$send_7280680627620114891.invokeNext(SessionAdvised$send_7280680627620114891.java) at org.jboss.jms.server.endpoint.advised.SessionAdvised.send(SessionAdvised.java) at org.jboss.jms.wireformat.SessionSendRequest.serverInvoke(SessionSendRequest.java:95) at org.jboss.jms.server.remoting.JMSServerInvocationHandler.invoke(JMSServerInvocationHandler.java:143) at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:866) at org.jboss.remoting.transport.local.LocalClientInvoker.invoke(LocalClientInvoker.java:101) at org.jboss.remoting.Client.invoke(Client.java:1634) at org.jboss.remoting.Client.invoke(Client.java:548) at org.jboss.remoting.Client.invoke(Client.java:536) at org.jboss.jms.client.delegate.DelegateSupport.doInvoke(DelegateSupport.java:189) at org.jboss.jms.client.delegate.DelegateSupport.doInvoke(DelegateSupport.java:160) at org.jboss.jms.client.delegate.ClientSessionDelegate.org$jboss$jms$client$delegate$ClientSessionDelegate$send$aop(ClientSessionDelegate.java:499) at org.jboss.jms.client.delegate.ClientSessionDelegate$send_6145266547759487588.invokeNext(ClientSessionDelegate$send_6145266547759487588.java) at org.jboss.jms.client.container.SessionAspect.handleSend(SessionAspect.java:661) at org.jboss.aop.advice.org.jboss.jms.client.container.SessionAspect442.invoke(SessionAspect442.java) at org.jboss.jms.client.delegate.ClientSessionDelegate$send_6145266547759487588.invokeNext(ClientSessionDelegate$send_6145266547759487588.java) at org.jboss.jms.client.container.FailoverValveInterceptor.invoke(FailoverValveInterceptor.java:92) at org.jboss.aop.advice.PerInstanceInterceptor.invoke(PerInstanceInterceptor.java:105) at org.jboss.jms.client.delegate.ClientSessionDelegate$send_6145266547759487588.invokeNext(ClientSessionDelegate$send_6145266547759487588.java) at org.jboss.jms.client.container.ClosedInterceptor.invoke(ClosedInterceptor.java:170) at org.jboss.aop.advice.PerInstanceInterceptor.invoke(PerInstanceInterceptor.java:105) at org.jboss.jms.client.delegate.ClientSessionDelegate$send_6145266547759487588.invokeNext(ClientSessionDelegate$send_6145266547759487588.java) at org.jboss.jms.client.delegate.ClientSessionDelegate.send(ClientSessionDelegate.java) at org.jboss.jms.client.container.ProducerAspect.handleSend(ProducerAspect.java:269) at org.jboss.aop.advice.org.jboss.jms.client.container.ProducerAspect484.invoke(ProducerAspect484.java) at org.jboss.jms.client.delegate.ClientProducerDelegate$send_3961598017717988886.invokeNext(ClientProducerDelegate$send_3961598017717988886.java) at org.jboss.jms.client.container.ClosedInterceptor.invoke(ClosedInterceptor.java:170) at org.jboss.aop.advice.PerInstanceInterceptor.invoke(PerInstanceInterceptor.java:105) at org.jboss.jms.client.delegate.ClientProducerDelegate$send_3961598017717988886.invokeNext(ClientProducerDelegate$send_3961598017717988886.java) at org.jboss.jms.client.delegate.ClientProducerDelegate.send(ClientProducerDelegate.java) at org.jboss.jms.client.JBossMessageProducer.send(JBossMessageProducer.java:164) at org.jboss.jms.client.JBossMessageProducer.send(JBossMessageProducer.java:207) at org.jboss.jms.client.JBossMessageProducer.send(JBossMessageProducer.java:145) at org.jboss.jms.client.JBossMessageProducer.send(JBossMessageProducer.java:136) at genesis.cmms.bean.CMMSBean.publishEvent(CMMSBean.java:1116) at genesis.cmms.bean.CMMSBean.processEMTEvent(CMMSBean.java:880) at sun.reflect.GeneratedMethodAccessor127.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.invocation.Invocation.performCall(Invocation.java:359) at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:237) at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158) at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:169) at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63) at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121) at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350) at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181) at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:168) at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205) at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:138) at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:648) at org.jboss.ejb.Container.invoke(Container.java:960) at sun.reflect.GeneratedMethodAccessor116.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) at org.jboss.invocation.local.LocalInvoker$MBeanServerAction.invoke(LocalInvoker.java:169) at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:118) at org.jboss.invocation.InvokerInterceptor.invokeLocal(InvokerInterceptor.java:209) at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:195) at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:61) at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:70) at org.jboss.proxy.ejb.StatelessSessionInterceptor.invoke(StatelessSessionInterceptor.java:112) at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:100) at $Proxy61.processEMTEvent(Unknown Source) at genesis.cmms.bean.CMMSMDBBean.onMessage(CMMSMDBBean.java:99) at sun.reflect.GeneratedMethodAccessor126.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.jboss.invocation.Invocation.performCall(Invocation.java:359) at org.jboss.ejb.MessageDrivenContainer$ContainerInterceptor.invoke(MessageDrivenContainer.java:495) at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158) at org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke(MessageDrivenInstanceInterceptor.java:116) at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63) at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121) at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350) at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181) at org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSecurityInterceptor.java:109) at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205) at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:138) at org.jboss.ejb.MessageDrivenContainer.internalInvoke(MessageDrivenContainer.java:402) at org.jboss.ejb.Container.invoke(Container.java:960) at org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSContainerInvoker.java:987) at org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListenerImpl.onMessage(JMSContainerInvoker.java:1287) at org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:266) at org.jboss.jms.client.container.ClientConsumer.callOnMessageStatic(ClientConsumer.java:160) at org.jboss.jms.client.container.SessionAspect.handleRun(SessionAspect.java:831) at org.jboss.aop.advice.org.jboss.jms.client.container.SessionAspect428.invoke(SessionAspect428.java) at org.jboss.jms.client.delegate.ClientSessionDelegate$run_N8003352271541955702.invokeNext(ClientSessionDelegate$run_N8003352271541955702.java) at org.jboss.jms.client.container.ClosedInterceptor.invoke(ClosedInterceptor.java:170) at org.jboss.aop.advice.PerInstanceInterceptor.invoke(PerInstanceInterceptor.java:105) at org.jboss.jms.client.delegate.ClientSessionDelegate$run_N8003352271541955702.invokeNext(ClientSessionDelegate$run_N8003352271541955702.java) at org.jboss.jms.client.delegate.ClientSessionDelegate.run(ClientSessionDelegate.java) at org.jboss.jms.client.JBossSession.run(JBossSession.java:199) at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:194) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:761) at java.lang.Thread.run(Thread.java:619) View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4268206#... 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