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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7595) Container launching code suppresses close exceptions after writes
Date Fri, 01 Dec 2017 14:56:00 GMT
Jason Lowe created YARN-7595:
--------------------------------

             Summary: Container launching code suppresses close exceptions after writes
                 Key: YARN-7595
                 URL: https://issues.apache.org/jira/browse/YARN-7595
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
            Reporter: Jason Lowe


There are a number of places in code related to container launching where the following pattern
is used:
{code}
  try {
    ...write to stream outStream...
  } finally {
    IOUtils.cleanupWithLogger(LOG, outStream);
  }
{code}

Unfortunately this suppresses any IOException that occurs during the close() method on outStream.
 If the stream is buffered or could otherwise fail to finish writing the file when trying
to close then this can lead to partial/corrupted data without throwing an I/O error.



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