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From "Yang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7647) NM print inappropriate error log when node-labels is enabled
Date Wed, 13 Dec 2017 03:26:00 GMT
Yang Wang created YARN-7647:
-------------------------------

             Summary: NM print inappropriate error log when node-labels is enabled
                 Key: YARN-7647
                 URL: https://issues.apache.org/jira/browse/YARN-7647
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Yang Wang


{code:title=NodeStatusUpdaterImpl.java}
      ... ...
      if (response.getAreNodeLabelsAcceptedByRM() && LOG.isDebugEnabled()) {
          LOG.debug("Node Labels {" + StringUtils.join(",", previousNodeLabels)
              + "} were Accepted by RM ");
        } else {
          // case where updated labels from NodeLabelsProvider is sent to RM and
          // RM rejected the labels
          LOG.error(
              "NM node labels {" + StringUtils.join(",", previousNodeLabels)
                  + "} were not accepted by RM and message from RM : "
                  + response.getDiagnosticsMessage());
        }
      ... ...
{code}

When LOG.isDebugEnabled() is false, NM will always print error log. It is an obvious error
and is so misleading.



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