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  1. Hadoop HDFS
  2. HDFS-13795

Fix potential NPE in InMemoryLevelDBAliasMapServer

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 3.2.0
    • None
    • None

    Description

      Namenode fails to stop correctly due to NPE in InMemoryAliasMapServer, when it is configured incorrectly.

          java.lang.NullPointerException
                at org.apache.hadoop.hdfs.server.aliasmap.InMemoryLevelDBAliasMapServer.close(InMemoryLevelDBAliasMapServer.java:149)
                at org.apache.hadoop.hdfs.server.namenode.NameNode.stop(NameNode.java:1023)

      Attachments

        1. HDFS-13795.005.patch
          5 kB
          Virajith Jalaparti
        2. HDFS-13795.004.patch
          6 kB
          Virajith Jalaparti
        3. HDFS-13795.003.patch
          5 kB
          Virajith Jalaparti
        4. HDFS-13795.002.patch
          6 kB
          Virajith Jalaparti
        5. HDFS-13795.001.patch
          5 kB
          Virajith Jalaparti

        Issue Links

          relates to

          Sub-task - The sub-task of the issue HDFS-12665 [AliasMap] Create a version of the AliasMap that runs in memory in the Namenode (leveldb)

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              virajith Virajith Jalaparti
              virajith Virajith Jalaparti
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              Dates

                Created:
                Updated:
                Resolved: