anonymous wrote : I have followed the steps on the wiki to ensure that i have two isolated deployments (ear-deployer, call-by-value, jbossweb etc). My understanding is that inorder to achieve classloader isolation, you just have to do some configurations to your applications and not to the files that you mentioned above. Here's a reference of what needs to be done: http://wiki.jboss.org/wiki/Wiki.jsp?page=ClassLoadingConfiguration View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4051824#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...