I have a MessageDrivenBean deployed. I get an exception whenever my MDB tries to instantiate JDOMXPath in another class. The full stack trace is included below. I have tried the following:

1. Putting jaxen-jdom.jar and jaxen-core.jar in:
a. $JBOSS_ROOT/lib
b. $JBOSS_ROOT/server/default/lib
c. $JBOSS_ROOT/server/default/deploy
d. in my applications .ear file

What am I missing or misconfiguring such that I can't access my jaxen classes?

Thanks!

[java] 14:14:40,117 ERROR [LogInterceptor] Unexpected Error:
[java] java.lang.NoClassDefFoundError: org/jaxen/JaxenException
[java] at com.epiphany.qa.eai.infr.xsys.cfg.Config.getPropRefs(Unknown
Source)
[java] at com.epiphany.qa.eai.infr.xsys.cfg.Config.processPropRefs(Unkn
own Source)
[java] at com.epiphany.qa.eai.infr.xsys.cfg.Config.(Unknown Sourc
e)
[java] at com.epiphany.qa.eai.infr.xsys.channel.doc.ConsumerHandler.<in
it>(ConsumerHandler.java:72)
[java] at com.epiphany.qa.eai.infr.xsys.channel.doc.ConsumerHandler.<in
it>(ConsumerHandler.java:77)
[java] at com.epiphany.qa.eai.app.itsa.ejb.jms.ItsaMessageBean.ejbCreat
e(ItsaMessageBean.java:53)
[java] at java.lang.reflect.Method.invoke(Native Method)
[java] at org.jboss.ejb.MessageDrivenEnterpriseContext.(MessageDr
ivenEnterpriseContext.java:66)
[java] at org.jboss.ejb.plugins.MessageDrivenInstancePool.create(Messag
eDrivenInstancePool.java:36)
[java] at org.jboss.ejb.plugins.AbstractInstancePool.get(AbstractInstan
cePool.java:168)
[java] at org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke
(MessageDrivenInstanceInterceptor.java:48)
[java] at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(Abstra
ctTxInterceptor.java:84)
[java] at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(Tx
InterceptorCMT.java:240)
[java] at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCM
T.java:128)
[java] at org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSe
curityInterceptor.java:90)
[java] at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.ja
va:191)
[java] at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(Pr
oxyFactoryFinderInterceptor.java:122)
[java] at org.jboss.ejb.MessageDrivenContainer.internalInvoke(MessageDr
ivenContainer.java:374)
[java] at org.jboss.ejb.Container.invoke(Container.java:700)
[java] at org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSConta
inerInvoker.java:824)
[java] at org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListener
Impl.onMessage(JMSContainerInvoker.java:1114)
[java] at org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession
.java:256)
[java] at org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage
(SpyMessageConsumer.java:633)
[java] at org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer
.java:433)
[java] at org.jboss.mq.SpySession.run(SpySession.java:298)
[java] at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:
180)
[java] at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Po
oledExecutor.java:727)
[java] at java.lang.Thread.run(Thread.java:479)
[java] 14:14:40,217 ERROR [JMSContainerInvoker] Exception in JMSCI message
listener
[java] javax.ejb.EJBException: Unexpected Error
[java] java.lang.NoClassDefFoundError: org/jaxen/JaxenException
[java] at com.epiphany.qa.eai.infr.xsys.cfg.Config.getPropRefs(Unknown
Source)
[java] at com.epiphany.qa.eai.infr.xsys.cfg.Config.processPropRefs(Unkn
own Source)
[java] at com.epiphany.qa.eai.infr.xsys.cfg.Config.(Unknown Sourc
e)
[java] at com.epiphany.qa.eai.infr.xsys.channel.doc.ConsumerHandler.<in
it>(ConsumerHandler.java:72)
[java] at com.epiphany.qa.eai.infr.xsys.channel.doc.ConsumerHandler.<in
it>(ConsumerHandler.java:77)
[java] at com.epiphany.qa.eai.app.itsa.ejb.jms.ItsaMessageBean.ejbCreat
e(ItsaMessageBean.java:53)
[java] at java.lang.reflect.Method.invoke(Native Method)
[java] at org.jboss.ejb.MessageDrivenEnterpriseContext.(MessageDr
ivenEnterpriseContext.java:66)
[java] at org.jboss.ejb.plugins.MessageDrivenInstancePool.create(Messag
eDrivenInstancePool.java:36)
[java] at org.jboss.ejb.plugins.AbstractInstancePool.get(AbstractInstan
cePool.java:168)
[java] at org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke
(MessageDrivenInstanceInterceptor.java:48)
[java] at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(Abstra
ctTxInterceptor.java:84)
[java] at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(Tx
InterceptorCMT.java:240)
[java] at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCM
T.java:128)
[java] at org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSe
curityInterceptor.java:90)
[java] at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.ja
va:191)
[java] at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(Pr
oxyFactoryFinderInterceptor.java:122)
[java] at org.jboss.ejb.MessageDrivenContainer.internalInvoke(MessageDr
ivenContainer.java:374)
[java] at org.jboss.ejb.Container.invoke(Container.java:700)
[java] at org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSConta
inerInvoker.java:824)
[java] at org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListener
Impl.onMessage(JMSContainerInvoker.java:1114)
[java] at org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession
.java:256)
[java] at org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage
(SpyMessageConsumer.java:633)
[java] at org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer
.java:433)
[java] at org.jboss.mq.SpySession.run(SpySession.java:298)
[java] at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:
180)
[java] at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Po
oledExecutor.java:727)
[java] at java.lang.Thread.run(Thread.java:479)

[java] at org.jboss.ejb.plugins.LogInterceptor.handleException(LogInter
ceptor.java:370)
[java] at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.ja
va:195)
[java] at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(Pr
oxyFactoryFinderInterceptor.java:122)
[java] at org.jboss.ejb.MessageDrivenContainer.internalInvoke(MessageDr
ivenContainer.java:374)
[java] at org.jboss.ejb.Container.invoke(Container.java:700)
[java] at org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSConta
inerInvoker.java:824)
[java] at org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListener
Impl.onMessage(JMSContainerInvoker.java:1114)
[java] at org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession
.java:256)
[java] at org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage
(SpyMessageConsumer.java:633)
[java] at org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer
.java:433)
[java] at org.jboss.mq.SpySession.run(SpySession.java:298)
[java] at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:
180)
[java] at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Po
oledExecutor.java:727)
[java] at java.lang.Thread.run(Thread.java:479)