Either I misunderstand the problem (likely!), or this is a cause: conn.setAutoCommit(true); -Ed Staub View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4017043#4017043 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4017043