Remove the FiboEJB-clint.jar from FiboWeb.war when do the Packaging Configurations. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3967781#3967781 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3967781