These are fundamental things but I can't them clear from documentation, indeed. Please throw some light at least to the following. Entity beans are stated to have CONVERSATION scope by default. If managing component is scoped to SESSION, and CONVERSATION-scoped entities are fields of this component - what happens to them when conversation ends but session continues ? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4095386#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...