"ovidiu.feodorov(a)jboss.com" wrote : | None of us was able to produce spec paragraphs confirming or proving invalid our assumptions. | I haven't made any assumptions or conjecture over and above what the JMS spec says should be the behaviour of an XASession. I am merely saying that that the JBossMQ implementation adds *extra* semantics not specified in the spec. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3968768#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...