It was clebert, the earlier message was posted to (too much used to type Tim :)). The first stack trace was with jboss-4.0.3SP1+1.0.1GA (+inhouse XA) Second one was wtih JBoss-4.0.5GA+JBM1.2.0GA Currently I'm working on second setup (almost ditching the first one in favour of second *if* eveything thig goes according to plan) Thanks MAdhu View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4026388#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...