anonymous wrote : How can I access an ejb which resides in another ear file from My LoginModule? For validating my user I want to use an existing EJB method call. Wouldn't that be a re-entrant call ? You are trying to secure a resource, but as a part of the login, you are trying to access the resource you are trying to protect !!!! It will be a circularity. To solve this , cut the ejb out of the picture from the LoginModule & use a simple, straight database call. Once authenticated, ejb's are protected by this Principal. Also LoginModule is for the entire server, not a particular EAR View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4172712#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...