"jmesnil" wrote : | NODE_ACTIVATED -> when a backup node is activated and becomes the live node. | On 2nd thought, this one does not make any sense. To be notified of the backup node activation, we'd need first to create a session to receive notifications which would activate the node! This also means that we must never connect to a backup node to receive its notifications since it'd activate it, creating an artificial split-brain. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4220670#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...