No we'll fix the demo. You should use JBoss AS 4.0.5.GA with Seam 1.2.1.GA or Seam2 with JBoss AS 4.2.x View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4079177#4079177 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4079177