[jboss-user] [EJB 3.0] - Re: exception occurred externalizing session

[praveenas]

Hi.,

        I too got a similar exception with a stack trace as follows:

12:56:12,480 ERROR [JBossCacheService] externalizeSession(): exception occurred externalizing session SessionBasedClusteredSession[id: HLOwZHvHuqLYftNHai-+4w**.node1 lastAccessedTime: 1215415572415 version: 40 lastOutdated: 0]
java.io.NotSerializableException: echopointng.test.TestInstanceNG$TestCaseInvoker
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
        at java.util.HashMap.writeObject(HashMap.java:1019)
        at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:623)
        at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:963)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1479)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1410)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1168)
        at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1527)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1492)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1410)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1168)
        at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1527)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1492)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1410)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1168)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
        at java.util.concurrent.ConcurrentHashMap.writeObject(ConcurrentHashMap.java:1284)
        at sun.reflect.GeneratedMethodAccessor94.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:623)
        at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:963)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1479)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1410)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1168)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
        at org.jboss.web.tomcat.service.session.SessionBasedClusteredSession.writeExternal(SessionBasedClusteredSession.java:175)
        at org.jboss.web.tomcat.service.session.JBossCacheService.externalizeSession(JBossCacheService.java:1027)
        at org.jboss.web.tomcat.service.session.JBossCacheService.putSession(JBossCacheService.java:316)
        at org.jboss.web.tomcat.service.session.JBossCacheClusteredSession.processSessionRepl(JBossCacheClusteredSession.java:121)
        at org.jboss.web.tomcat.service.session.JBossCacheManager.processSessionRepl(JBossCacheManager.java:1097)
        at org.jboss.web.tomcat.service.session.JBossCacheManager.storeSession(JBossCacheManager.java:652)
        at org.jboss.web.tomcat.service.session.InstantSnapshotManager.snapshot(InstantSnapshotManager.java:49)
        at org.jboss.web.tomcat.service.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:98)
        at org.jboss.web.tomcat.service.session.JvmRouteValve.invoke(JvmRouteValve.java:84)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
        at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:437)
        at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:366)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
        at java.lang.Thread.run(Thread.java:675)
12:56:12,508 ERROR [JBossCacheService] externalizeSession(): exception occurred externalizing session SessionBasedClusteredSession[id: HLOwZHvHuqLYftNHai-+4w**.node1 lastAccessedTime: 1215415572477 version: 41 lastOutdated: 0]
java.io.NotSerializableException: echopointng.test.TestInstanceNG$TestCaseInvoker
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
        at java.util.HashMap.writeObject(HashMap.java:1019)
        at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:623)
        at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:963)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1479)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1410)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1168)
        at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1527)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1492)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1410)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1168)
        at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1527)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1492)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1410)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1168)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
        at java.util.concurrent.ConcurrentHashMap.writeObject(ConcurrentHashMap.java:1284)
        at sun.reflect.GeneratedMethodAccessor94.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:623)
        at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:963)
        at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1479)
        at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1410)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1168)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
        at org.jboss.web.tomcat.service.session.SessionBasedClusteredSession.writeExternal(SessionBasedClusteredSession.java:175)
        at org.jboss.web.tomcat.service.session.JBossCacheService.externalizeSession(JBossCacheService.java:1027)
        at org.jboss.web.tomcat.service.session.JBossCacheService.putSession(JBossCacheService.java:316)
        at org.jboss.web.tomcat.service.session.JBossCacheClusteredSession.processSessionRepl(JBossCacheClusteredSession.java:121)
        at org.jboss.web.tomcat.service.session.JBossCacheManager.processSessionRepl(JBossCacheManager.java:1097)
        at org.jboss.web.tomcat.service.session.JBossCacheManager.storeSession(JBossCacheManager.java:652)
        at org.jboss.web.tomcat.service.session.InstantSnapshotManager.snapshot(InstantSnapshotManager.java:49)
        at org.jboss.web.tomcat.service.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:98)
        at org.jboss.web.tomcat.service.session.JvmRouteValve.invoke(JvmRouteValve.java:84)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
        at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:437)
        at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:366)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
        at java.lang.Thread.run(Thread.java:675)


Please let me know the correction to be made.. 
I ve got this error when I was trying to implement clustering.

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