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Date: Tue, 14 Oct 2014 18:14:34 +0000 (UTC)
From: "Ted Yu (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12748097.1413310427000.264431.1413310474163@Atlassian.JIRA>
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References: <JIRA.12748097.1413310427000@Atlassian.JIRA>
 <JIRA.12748097.1413310427636@arcas>
Subject: [jira] [Created] (HIVE-8458) Potential null dereference in
 Utilities#clearWork()
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Ted Yu created HIVE-8458:
----------------------------

             Summary: Potential null dereference in Utilities#clearWork()
                 Key: HIVE-8458
                 URL: https://issues.apache.org/jira/browse/HIVE-8458
             Project: Hive
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


{code}
    Path mapPath = getPlanPath(conf, MAP_PLAN_NAME);
    Path reducePath = getPlanPath(conf, REDUCE_PLAN_NAME);

    // if the plan path hasn't been initialized just return, nothing to clean.
    if (mapPath == null && reducePath == null) {
      return;
    }

    try {
      FileSystem fs = mapPath.getFileSystem(conf);
{code}
If mapPath is null but reducePath is not null, getFileSystem() call would produce NPE


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