code: protected void initZnode() {
      try {
        ZooKeeperUtil.createAndFailSilent(this, baseZnode);
        ZooKeeperUtil.createAndFailSilent(this, backupServersZnode);
      } catch (Exception e) {
        LOG.fatal("Error to create znode " + baseZnode + " and " + backupServersZnode
            + ", exit immediately", e);
        System.exit(0);
      }
    }
docs: Initialize the base znodes of chronos.