Exception in Cluster Environment - java.io.NotSerializableEx

[nidhi_hs]

In the clustered environment the exception java.io.NotSerializableException: org.ajax4jsf.framework.ajax.AjaxContext is thrown.

We are using ajax4jsf-1.1.0.jar
Application Server - JBoss
Web Server - Tomcat


Any help in resolving this issue is greatly appreciated. Please find the following exception stack trace

ERROR [org.jboss.web.tomcat.tc5.session.JBossCacheService] externalizeSessio
n(): exception occurred externalizing session SessionBasedClusteredSession[id: gGAqkzLLvYYOBcFfie+cO
A**.qacluster1 lastAccessedTime: 1178114764414 version: 4 lastOutdated: 0]
java.io.NotSerializableException: org.ajax4jsf.framework.ajax.AjaxContext
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)ndererUtils.java:442
) java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at java.util.TreeMap.writeObject(TreeMap.java:2248)mlGridRendererBase.renderChildren(HtmlGri
dRendererBasun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)HtmlGridRend
ererBase.jasun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945)ererUtils.java:442
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at java.util.Hashtable.writeObject(Hashtable.java:824)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at org.jboss.web.tomcat.tc5.session.SessionBasedClusteredSession.writeExternal(SessionBasedC
lusteredSession.java:175)
at org.jboss.web.tomcat.tc5.session.JBossCacheService.externalizeSession(JBossCacheService.j
ava:1023)
at org.jboss.web.tomcat.tc5.session.JBossCacheService.putSession(JBossCacheService.java:312)
at org.jboss.web.tomcat.tc5.session.JBossCacheClusteredSession.processSessionRepl(JBossCache
ClusteredSession.java:121)
at org.jboss.web.tomcat.tc5.session.JBossCacheManager.processSessionRepl(JBossCacheManager.j
ava:1093)
at org.jboss.web.tomcat.tc5.session.JBossCacheManager.storeSession(JBossCacheManager.java:64
8)
at org.jboss.web.tomcat.tc5.session.InstantSnapshotManager.snapshot(InstantSnapshotManager.j
ava:49)
at org.jboss.web.tomcat.tc5.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:

[nidhi_hs]

Can anyone please help me on this ? Is this a bug ?

[alexsmirnov]

Possible bug, but is very strange. AjaxContext is only request scope object, and don't be stored in session for any cases, as well as should not replicate over claster.