Someone pointed out that I didnt have the Postgres driver in the war. I have added it, but get the same issue... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4134918#4134918 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4134918