StringUtil.appendHex(buf, RANDOM.nextInt());
        return buf.toString();
    }

    private static byte[] getAddress() {
        try {
            return InetAddress.getLocalHost().getAddress();
        } catch (final UnknownHostException ignore) {
            return DEFAULT_ADDRESS;
        }
    }

            return env.get("COMPUTERNAME");
        }
        if (env.containsKey("HOSTNAME")) {
            return env.get("HOSTNAME");
        }
        try {
            return InetAddress.getLocalHost().getHostAddress();
        } catch (final UnknownHostException e) {
            logger.debug("Unknown hostname.", e);
        }
        return "Unknown";
    }