anonymous wrote : recovery is done on a per session level, not connection or consumer. so the session should be invalidated Right... Think about the two sessions case then? One Connection , two sessions, each one with a consumer on a different queue. If session1 can't find ACKs and session2 find ACKs, we want only session1 invalidated, right? Right now Exceptions are handled on FailoverCommandCenter... I will be adding exception handling for each Session now on SessionState.synchronizeWith. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4059294#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...