code: public static String getMasterHostNotConfiguredMessage(String serviceName) {
      return getHostNotConfiguredMessage(serviceName, "master", PropertyKey.MASTER_HOSTNAME,
          PropertyKey.MASTER_EMBEDDED_JOURNAL_ADDRESSES);
    }
docs: Returns a unified message for cases when the master hostname cannot be determined.
  
  @param serviceName the name of the service that couldn't run. i.e. Alluxio worker, fsadmin
  shell, etc.
  @return a string with the message