If you are using one database/schema you must use local-tx and not XA datasources.. Greetings! View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4217101#4217101 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4217101