I think I've found the precise answer in last reply of http://www.jboss.com/index.html?module=bb&op=viewtopic&t=103356
the @Out scope doesn't rely on the scope of @In, it must declared individually: @Out(scope=ScopeType.SESSION) that's why I wasn't reaching same instance between calls great forum! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4109974#4109974 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4109974 _______________________________________________ jboss-user mailing list jboss-user@lists.jboss.org https://lists.jboss.org/mailman/listinfo/jboss-user