I'm trying to develop my authenticate method based on the seam guideline(http://docs.jboss.com/seam/latest/reference/en/html/security.html#d0e6331).But, when i try to set the user role using the Identity.instance().addRole("ADMIN"). I got an undefined method exception.The class that i'm using is the org.jboss.seam.security.Identity. This is the correct one ?Thanks