You can't. You'll need to do the work in the war. The war can see the jar but not vice-versa. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4091928#4091928 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4091928