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  1. Hadoop HDFS
  2. HDFS-1623 High Availability Framework for HDFS NN
  3. HDFS-2724

NN web UI can throw NPE after startup, before standby state is entered

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: HA branch (HDFS-1623)
    • Fix Version/s: HA branch (HDFS-1623)
    • Component/s: ha, namenode
    • Labels:
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      Description

      There's a brief period of time (a few seconds) after the NN web server has been initialized, but before the NN's HA state is initialized. If dfshealth.jsp is hit during this time, a NullPointerException will be thrown.

        Attachments

        1. hdfs-2724.txt
          2 kB
          Todd Lipcon

          Activity

            People

            • Assignee:
              tlipcon Todd Lipcon
              Reporter:
              atm Aaron Myers
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              Dates

              • Created:
                Updated:
                Resolved: