[jboss-dev-forums] [JBoss AS Development Deployment Framework] - Deployment isolation problem with ear being ported from Webl

[jwchristy]

   I have an ancient weblogic-hosted J2EE application (2003ish) that I am porting to Jboss 4.2.3.GA.  It uses old versions of lots of 3rd party tools, including JAXB, version 1.0.4.  I have gotten the ear to deploy cleanly by removing those 3rd party jars from the ear that conflict with jars already in use by the Jboss server, and the application almost runs, but hits problems when it tries to get an old JAXB ContextFactory class that no longer exists in the version of JAXB that the Jboss server is using, 2.1.4. 
 
   I then went down the path of putting the old jars back into the ear and doing an isolated deployment, in the hope that I could use the old JAXB.  I am using this deployment descriptor in the ear:

<?xml version="1.0" encoding="UTF-8"?>
  <!DOCTYPE jboss-app
    PUBLIC "-//JBoss//DTD J2EE Application 4.2//EN"
    "http://www.jboss.org/j2ee/dtd/jboss-app_4_2.dtd">
    
<jboss-app>
   <loader-repository> 
      com.ghx:archive=cm.ear 
      <loader-repository-config> 
          java2ParentDelegation=false 
      </loader-repository-config> 
   </loader-repository> 
</jboss-app>

However, now it appears that various components within the ear can no longer see each other.  The deployment is bombing when an application class in an included jar tries to find an xml document in another included jar. This worked fine with a non-isolated deployment.  Help, what am I doing wrong?   
The ear has 4 EJB jars, a war, numerous jars of application code, and even more jars of 3rd party library code (about 50 total jars/war within the ear). 

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