No! That is not the solution! Instead makse sure you call close() on all connections, as is required by the JCA spec. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3977105#3977105 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3977105