private static String makeMessage(String what, ConfVars setting) {
      return what + " are disabled for safety reasons. If you know what you are doing, please set "
          + setting.varname + " to false and make sure that " + ConfVars.HIVE_MAPRED_MODE.varname +
              " is not set to 'strict' to proceed. Note that you may get errors or incorrect " +
              "results if you make a mistake while using some of the unsafe features.";
    }
@return true if HS2 webui query-info cache is enabled
common/src/java/org/apache/hadoop/hive/conf/HiveConf.java