I discovered that you need to put your CustomPrincipal in a javax.acl.Group named 'CallerPrincipal'. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4096164#4096164 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4096164