To get an error, I just change JSP. When I redeploy the WAR, then it works fine. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4246096#4246096 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4246096