} else {
                lc = new LoginContext(this.serviceName, this);
	    }
            lc.login();

            Subject s = lc.getSubject();
            if ( log.isDebugEnabled() ) {
                log.debug("Got subject: " + s.getPrincipals());
            }
            if ( log.isTraceEnabled() ) {
                log.trace("Got subject " + s);
            }