private void validatePortRange(String minPort, String maxPort)
      throws IOException {
    RangeValidator rangeValidator = new RangeValidator(1024L, 65535L);
    String valMin = rangeValidator.validate(minPort);
    String valMax = rangeValidator.validate(maxPort);
    if (valMin == null & valMax == null) {
      throw new IOException("Invalid minimum range value: " + minPort + " and "
          + "maximum range value: " + maxPort + " for "
          + HiveConf.ConfVars.LLAP_TASK_UMBILICAL_SERVER_PORT.varname
          + ". The value should be between 1024 and 65535.");
    }
    if (valMin != null) {
      throw new IOException("Invalid minimum range value :" + minPort + " for "
          + HiveConf.ConfVars.LLAP_TASK_UMBILICAL_SERVER_PORT.varname
          + ". The value should be between 1024 and 65535.");
    }
    if (valMax != null) {
      throw new IOException("Invalid maximum range value:" + maxPort + " for "
          + HiveConf.ConfVars.LLAP_TASK_UMBILICAL_SERVER_PORT.varname
          + ". The value should be between 1024 and 65535.");
    }
  }
, 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