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  1. Hadoop Common
  2. HADOOP-4840

TestNodeCount sometimes fails with NullPointerException

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.18.3
    • 0.18.3
    • None
    • None
    • Reviewed

    Description

      Testcase: testNodeCount took 9.628 sec
      Caused an ERROR

      java.lang.NullPointerException
      at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.countNodes(FSNamesystem.java:3523)
      at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.countNodes(FSNamesystem.java:3543)
      at org.apache.hadoop.hdfs.server.namenode.TestNodeCount.testNodeCount(TestNodeCount.java:64)

      Attachments

        1. nodeCountNPE.patch
          0.6 kB
          Hairong Kuang
        2. nodeCountNPE1.patch
          0.6 kB
          Hairong Kuang
        3. nodeCountNPE1-br18.patch
          0.6 kB
          Hairong Kuang

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-4972 FSNamesystem.countNodes(Block b) should be synchronized.

          • Major - Major loss of function.
          • Closed

          Activity

            People

              hairong Hairong Kuang
              hairong Hairong Kuang
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              Dates

                Created:
                Updated:
                Resolved: