Try removing ajax4jsf.1.1.1.jar and richfaces.3.0.1.jar Then put richfaces-*.3.1.0.jar in the classpath View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4087468#4087468 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4087468