Check your web.xml file, it might be that you have two < url-pattern > entries that are the same. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3987097#3987097 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3987097