:-) Ok, if that's the case then I will veto it for 2.0.0. I was just concerned that you did not have any other way to be compliant with the EJB3 spec. Since you do, I'd rather not have this callback. I think this is a very specific callback (region being marshalled for ST) and is very implementation/release specific, and only will be of use to very few applications/use cases. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4010843#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...