Off topic, but related, but maybe it would be better for ESB Message interface to have a similar hierarchy to JMS? What I mean is: Message | ObjectMessage, StringMessage, MapMessage We know that ESB has a richer message semantic, but from what I saw a few months ago, its has a one-interface-fits all for its payload. Just a thought. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4063743#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...