Hi again, after some tests, I have a solution using Seam interceptors as explained in the reference documentation. Best regards, René View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4111325#4111325 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4111325