"gavin.king(a)jboss.com" wrote : I need to see the actual nature of the failure. Try turning on more verbose logging. I haven't been able to get any more info, I've tried fiddling with jbossjta-properties.xml and my Log4J config, but no success. I found this: http://jira.jboss.com/jira/browse/EJBTHREE-898 I'm giving up for now, since the functionality actually works, but I guess something is lurking under here ready to bite me. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4059482#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...