I believe I figured out what the underlying issue is. see this post: http://www.jboss.com/index.html?module=bb&op=viewtopic&t=84174
Apparently, when entities use inheritance and have a return type for an overridden method that is different form the base class the "duplicate method" exception occurrs. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3949964#3949964 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3949964 _______________________________________________ JBoss-user mailing list JBoss-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-user