Not if you store serialized classes.... afaik. But I never did/try that (partly because of these kinds of dificulties) View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4232140#4232140 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4232140