Also if you are using xa-datasource you could enable track-connection-by-tx in it, the error should go. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4203527#4203527 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4203527