/**
     * Initialize witness support for fast failover
     */
    private void initializeWitnessSupport() {
        Configuration config = getContext().getConfig();

        if (!config.isUseWitness()) {
            return;
        }

        try {
            // Discover witness service
            InetAddress witnessServer = discoverWitnessService();
            if (witnessServer != null) {