It may not be easy after this is the clustered middleware all about. :-) In JBoss clustering, in addition to HA proxy for client side, you will also need to know the current membership (DistributedReplicantManager) so you know where to failover, and then you will have a separate replication layer. After you go through all these, it'd be a whole lot easier just to do the clustering via ejb3, e.g. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3981671#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...