I am using JDK 1.5_12update.
Iam using Jboss-4.2.0GA.
My EJB Version is 2.1
Actually I am recieving the VO Object from the EJB Method.
VO contains Hastable, OrderedMap and many other Objects...
While retrieving the OrderMap i got the error of Classcast Exception mentioned Below. Whereas I can retrieve the HasTable Object w/o any prblm.
I am Using Apache's Common-Collection3.0

I got stuck here for 2 days can anybody help me out of this...


| Wed Jul 18 15:28:12 IST 2007 SEVERE Exception in java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2004) :java.lang.ClassCastException: cannot assign instance of org.apache.commons.collections.map.LinkedMap to field com.aaa.vo.VO_AuthenticateUser.access_control_list of type org.apache.commons.collections.OrderedMap in instance of com.aaa.vo.VO_AuthenticateUser
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** java.io.ObjectStreamClass.setObjFieldValues (ObjectStreamClass.java:1184)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** java.io.ObjectInputStream.defaultReadFields (ObjectInputStream.java:1914)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** java.io.ObjectInputStream.readSerialData (ObjectInputStream.java:1832)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** java.io.ObjectInputStream.readOrdinaryObject (ObjectInputStream.java:1719)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** java.io.ObjectInputStream.readObject0 (ObjectInputStream.java:1305)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** java.io.ObjectInputStream.readObject (ObjectInputStream.java:348)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.invocation.MarshalledValue.get (MarshalledValue.java:91)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.invocation.InvokerInterceptor.invokeLocalMarshalled (InvokerInterceptor.java:297)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.invocation.MarshallingInvokerInterceptor.invoke (MarshallingInvokerInterceptor.java:61)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.proxy.TransactionInterceptor.invoke (TransactionInterceptor.java:61)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.proxy.SecurityInterceptor.invoke (SecurityInterceptor.java:70)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.proxy.ejb.StatelessSessionInterceptor.invoke (StatelessSessionInterceptor.java:112)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.proxy.ClientContainer.invoke (ClientContainer.java:100)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** $Proxy80.getAccessControlList(Unknown Source)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** struts.action.school.aaa.AuthenticateAction.execute(AuthenticateAction.java:93)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.struts.action.RequestProcessor.processActionPerform (RequestProcessor.java:484)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.struts.action.RequestProcessor.process (RequestProcessor.java:274)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.struts.action.ActionServlet.process (ActionServlet.java:1482)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.struts.action.ActionServlet.doPost (ActionServlet.java:525)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** javax.servlet.http.HttpServlet.service (HttpServlet.java:710)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** javax.servlet.http.HttpServlet.service (HttpServlet.java:803)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:290)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:206)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter (ReplyHeaderFilter.java:96)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:235)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:206)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:230)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:175)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.web.tomcat.security.SecurityAssociationValve.invoke (SecurityAssociationValve.java:179)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.web.tomcat.security.JaccContextValve.invoke (JaccContextValve.java:84)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:128)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:104)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke (CachedConnectionValve.java:156)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:109)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.catalina.connector.CoyoteAdapter.service (CoyoteAdapter.java:241)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:844)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
| Wed Jul 18 15:28:12 IST 2007 SEVERE ** java.lang.Thread.run (Thread.java:595)
| Wed Jul 18 15:28:12 IST 2007 SEVERE
|

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