Found the problem. I added seam jar to both the web/ejb project. Removing the one in web makes it work. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3983652#3983652 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3983652