On the real example, when you close a consumer you are using a new consumer. Just use that as implicit on the diagram. Or else you would have too many participants and it would be harder to draw it. BTW: rollback would be the same case. The issue is QueueImpl::asyncDelivery working independenty of the threads used on the repplication. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4230167#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...