So why that work on scope SESSION and doesn't work on scope CONVERSATION?. I use "Hypersonic". View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4005632#4005632 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4005632