I have a .ear file that contains a war (containing a rest webservices using resteasy), a jar file containing ejbs. Since the project pulls in jaxb-xjc.jar file and that results in IllegalStateException because of the jaxb-xjc.jar file containing nested directories with sub directories also containing META-INF and MANIFEST files. I read on another that I should use jboss-structure.xml file to get around the problem and I tried to do that. Here is the xml file that I have written. <structure> | <context> | <path name=""/> | <metaDataPath> | <path name="META-INF"/> | </metaDataPath> | <classpath> | <path name="" suffixes=".jar" /> | </classpath> | </context> | <context> | <path name="Myejb.jar"/> | <metaDataPath> | <path name="META-INF"/> | </metaDataPath> | <classpath> | <path name="" suffixes=".jar" /> | </classpath> | </context> | </structure> With this change, when I try to deploy the ear file, I don't file the persistence manager which is defined in persistence.xml file in Myejb.jar file. Can anybody point me to what I am doing wrong. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4249726#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...