You can't deploy ejb modules inside WARs under the EJB3.0 spec. Or are you using JBoss Embedded? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4107508#4107508 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4107508