"justinmiller" wrote : The jars in my deployment should not conflict with the server jars and vice versa given the configuration of my jboss-classloading.xml. | | Thanks, | Justin Just to make it clear - it's only the xerces jar(s) which are running into this issue. For all other thirdparty jars you should be able to override them with proper configuration. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4249559#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...