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  1. Hadoop HDFS
  2. HDFS-4690

Namenode exits if entering safemode while secret manager is edit logging

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 0.23.0
    • Fix Version/s: 0.23.8
    • Component/s: namenode, security
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      Going into safemode involves stopping the secret manager's thread. An interrupt is sent to this thread. If this occurs while the thread is logging an edit, the resulting exception in the thread will cause the NN to exit.

      The fix is to back-port a subset of HDFS-2579 which went into branch 2 & trunk.

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