In JBossCache 1.4 and earlier, the cache's mbean has an Instance attribute which provides a reference to the instance. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3989326#3989326 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3989326