anonymous wrote : the error i see is | java.lang.LinkageError: Class javax/ejb/EJBHome violates loader constraints: definition mismatch between parent and child loaders Are you packaging jboss-j2ee.jar as part of your ear application? If yes remove that jar from your application. The reason why you are seeing the exception is that the jar containing javax.ejb.EJBHome is found in more than one places in the server classpath View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3973271#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...