Do you have verified, that the datasource is deployed correct by using the JndiView-Service. Please post the output of that. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4168807#4168807 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4168807