Unable to configure Krb5LoginModule options in elytron kerberos implementation

            if (debug) {
                options.put("debug", "true");
            }
            options.put("principal", principal);

            final AppConfigurationEntry ace;
            if (IS_IBM) {
                options.put("noAddress", "true");
                options.put("credsType", isServer ? "acceptor" : "initiator");
                options.put("useKeytab", keyTab.toURI().toURL().toString());
                ace = new AppConfigurationEntry(IBMKRB5LoginModule, REQUIRED, options);
            } else {
                options.put("storeKey", "true");
                options.put("useKeyTab", "true");
                options.put("keyTab", keyTab.getAbsolutePath());
                options.put("isInitiator", isServer ? "false" : "true");

                ace = new AppConfigurationEntry(KRB5LoginModule, REQUIRED, options);
            }