[jboss-user] [Clustering/JBoss] - java.lang.ClassNotFoundException: No ClassLoaders found for:

[sparthan]

Hi all, 

        I am trying to cluster 2 instances of jboss 4.2.2.GA version. When one of the server got down, the other instance which have to come to active have created this exception.

11:05:01,787 ERROR [JBossCacheService] loadSession(): id: uraX8t4OqkB4S--w2TOLvw** exception occurred during deserialization
  | java.lang.ClassNotFoundException: No ClassLoaders found for: com.casper.fw.lang.ColumnTitles
  |         at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:212)
  |         at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:521)
  |         at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:415)
  |         at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
  |         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
  |         at java.lang.Class.forName0(Native Method)
  |         at java.lang.Class.forName(Class.java:247)
  |         at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:604)
  |         at org.jboss.invocation.MarshalledValueInputStream.resolveClass(MarshalledValueInputStream.java:109)
  |         at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
  |         at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
  |         at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1624)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at nextapp.echo2.app.event.EventListenerList.readObject(EventListenerList.java:141)
  |         at sun.reflect.GeneratedMethodAccessor142.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.HashMap.readObject(HashMap.java:1029)
  |         at sun.reflect.GeneratedMethodAccessor135.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at nextapp.echo2.app.event.EventListenerList.readObject(EventListenerList.java:141)
  |         at sun.reflect.GeneratedMethodAccessor142.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at nextapp.echo2.app.event.EventListenerList.readObject(EventListenerList.java:141)
  |         at sun.reflect.GeneratedMethodAccessor142.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1667)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.Hashtable.readObject(Hashtable.java:859)
  |         at sun.reflect.GeneratedMethodAccessor153.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at nextapp.echo2.app.event.EventListenerList.readObject(EventListenerList.java:141)
  |         at sun.reflect.GeneratedMethodAccessor142.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.ArrayList.readObject(ArrayList.java:593)
  |         at sun.reflect.GeneratedMethodAccessor141.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         at java.util.concurrent.ConcurrentHashMap.readObject(ConcurrentHashMap.java:1275)
  |         at sun.reflect.GeneratedMethodAccessor163.invoke(Unknown Source)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:597)
  |         at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
  |         at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
  |         at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
  |         at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
  |         at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
  |         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.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:132)
  |         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:619)
  | 


Hoping to have some suggestions by the clustering experts, 

Thank you in advance. 

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