1) don't post on the _design_ forum --> use _user_ forum 2) give more info: what JBossAS, JDK, ... Let me give a guess: - for JBossAS 4.x that's expected - for JBossAS 5.0 that's expected, but can be changed The issue here is how to handle nested jars. It's the file-system framework that knows how to handle it. Using just JDK stuff requires to unpack things. With new VFS you can do much more. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4170507#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...