@Override
  public void updateMasterKey(int keySeq, String s) {
    CuratorFramework zk = getSession();
    String keyPath = rootNode + NODE_KEYS + "/" + String.format(ZK_SEQ_FORMAT, keySeq);
    try {
      zk.setData().forPath(keyPath, s.getBytes());
    } catch (Exception e) {
      throw new TokenStoreException("Error setting data in " + keyPath, e);
    }
  }
Parse comma separated list of ACL entries to secure generated nodes, e.g.
<code>sasl:hive/host1@MY.DOMAIN:cdrwa,sasl:hive/host2@MY.DOMAIN:cdrwa</code>
@param aclString
@return ACL list
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/security/ZooKeeperTokenStore.java