It is not needed in Seam 1.3, since it is already in the faces-config.xml in the seam jar. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4051564#4051564 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4051564