Waiting for a TX to complete brings us back to the initial solution (wait-then-break-the-locks), which we thought was not good as it would (1) need time to wait for completion and (2) cause TXs to get rolled back. Regarding proxying: who redirects the caller from A to B ? What if A has state e.g. pertaining to a session that is available only on A and its buddy C (but not B) ? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4135913#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...