@Override
  public void initialize() throws Exception {
    super.initialize();
    Configuration conf = getConf();
    int numThreads = HiveConf.getIntVar(conf, ConfVars.LLAP_DAEMON_COMMUNICATOR_NUM_THREADS);
    this.communicator = createLlapProtocolClientProxy(numThreads, conf);
    this.deleteDelayOnDagComplete = HiveConf.getTimeVar(
        conf, ConfVars.LLAP_FILE_CLEANUP_DELAY_SECONDS, TimeUnit.SECONDS);
    LOG.info("Running LlapTaskCommunicator with "
        + "fileCleanupDelay=" + deleteDelayOnDagComplete
        + ", numCommunicatorThreads=" + numThreads);
    this.communicator.init(conf);
    String scheme = WebAppUtils.getHttpSchemePrefix(conf);
    String ahsUrl = WebAppUtils.getAHSWebAppURLWithoutScheme(conf);
    this.timelineServerUri = WebAppUtils.getURLWithScheme(scheme, ahsUrl);
  }
, renewer=hive, realUser=, issueDate=1670317803579, maxDate=1671527403579,
sequenceNumber=297, masterKeyId=296, cluster ***, app ID , signing false) can't be found in cache"
llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskCommunicator.java