JBoss Cache can function and cluster just fine outside of an app server. An example of how to start one programatically: | TreeCache tree=new TreeCache(); | PropertyConfigurator config=new PropertyConfigurator(); | config.configure(tree, "replAsync-service.xml"); // read in config file from classpath | tree.createService(); | tree.startService(); | All caches on the network which share a common JGroups protocol stack definition in their config file will see each other and cluster. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959591#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...