What version of Seam and JSF do you use? This should be fixed in 1.2.1.GA. Post the stacktrace View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4032672#4032672 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4032672