ok, this is my scenario: I have two server applications (A and B), that communicate via JMS, both using JAAS for user authentication. EJBs for each system uses security JBOSS via @ RolesAllowed ("ROLE_ADMIN"), works just fine so far, I have seen the JASS set up right, and added the 'ApplicationRealm'.
The problem is in a third application, a client jar (swing application) that must communicate with the application B. In this third application, when I attempt to lookup remote EJB application B, the lookup to work but when I call a method that must use the EJB, the specified error occurs.