Are you running one of the sample apps? If it uses jboss embedded, did you install jboss embedded into tomcat? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4125258#4125258 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4125258