I was trying to compare the hashed password stored in my database with the password the end user types by hashing the user entered password. I am posting the code that i used in authenticator action java file. I am able deploy the application but cannot login. // public class AuthenticatorAction implements Authenticator { @PersistenceContext EntityManager em; @Out(required=false, scope = SESSION) private User user; public boolean authenticate() { List results = em.createQuery("select u from User u where u.username=#{identity.username} and u.passwordhash=this.calculatehash(#{identity.password})") .getResultList(); if ( results.size()==0 ) { return false; } else { user = (User) results.get(0); return true; } } private String calculatehash(String loginpassword) { String newhash = Util.createPasswordHash("MD5", Util.BASE16_ENCODING, null, null, loginpassword); return newhash; } ..the error i get after deploying it is .. it returns that it cannot find the function named calculatepasswordhash... Can anyone tell me why is it not calculating hash? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4048777#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...