Seam essentially does this for you - requests don't hit the bean concurrently, they are serialized. What is your concern? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4040379#4040379 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4040379