JBoss 4.2 comes with the RI. Follow the instructions in the manual to use the RI not myfaces View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4034490#4034490 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4034490