[jboss-user] [Clustering/JBoss] - [JBossCacheService] loadSession() while clustering

[praveenas]

Hi , 
           I am trying to cluster an application using 2 jboss 4.2.2.GA instances. It was running well on a single instance. When doing clustering and one of the server going down, I am getting the following error stack trace


14:23:26,265 ERROR [JBossCacheService] loadSession(): id: D1CA48C2BA26664FC38ACD4B43182D4A exception occurred during deserialization
java.lang.ArrayStoreException
        at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1685)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1341)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1685)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1341)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
        at java.util.HashMap.readObject(HashMap.java:1048)
        at sun.reflect.GeneratedMethodAccessor137.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:623)
        at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:992)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
        at java.util.HashMap.readObject(HashMap.java:1048)
        at sun.reflect.GeneratedMethodAccessor137.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:623)
        at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:992)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
        at java.util.concurrent.ConcurrentHashMap.readObject(ConcurrentHashMap.java:1312)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:623)
        at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:992)
        at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
        at org.jboss.web.tomcat.service.session.SessionBasedClusteredSession.readExternal(SessionBasedClusteredSession.java:154)
        at org.jboss.web.tomcat.service.session.JBossCacheService.loadSession(JBossCacheService.java:278)
        at org.jboss.web.tomcat.service.session.JBossCacheManager.loadSession(JBossCacheManager.java:1010)
        at org.jboss.web.tomcat.service.session.JBossCacheManager.findSession(JBossCacheManager.java:782)
        at org.apache.catalina.connector.Request.doGetSession(Request.java:2283)
        at org.apache.catalina.connector.Request.getSession(Request.java:2075)
        at org.jboss.web.tomcat.service.session.JvmRouteValve.checkJvmRoute(JvmRouteValve.java:91)
        at org.jboss.web.tomcat.service.session.JvmRouteValve.invoke(JvmRouteValve.java:81)
        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 where exactly the problem might be.. and what modification is needed to be done.


Thanks in advance. 

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