xml parser problem with jboss5

Hello Friends,

Problem is regarding Jboss 5 deployment.
My application uses Spring, Hibernate. EAR deploy over the jboss4 works perfectly but problem with Jboss5,
throws exception:-

jboss java.lang.classcastexception org.apache.xerces.jaxp.documentbuilderfactoryimpl

I can trace that this is basically due to the xml parsers.
Jboss 5 already contains the xalan and xercesImpl jars (not xml-apis) and my app also bundles the xalan and xml-apis jars (not xercesImpl).

Jboss5 complains to keep same jars at two places. But......

1. If remove from jboss5/lib/endorsed it stops working
2. and, If remove from war/ear file it throws different exception

both are strange. Any solution about the problem. Please suggest.

Note: I found that jboss4 also contains the xalan, xercesImpl and also xml-apis so no problem while deploying the war,
but jboss5 doesn't have the xml-apis so complains during the deployment.

Kind regards
luv zorabian

"Mock Exam Errata" is definitely not the right forum for this question. Moving to JBoss forum.

Hard to say without the entire exception stacktrace. But see if it's related to this