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  1. Hadoop HDFS
  2. HDFS-1623 High Availability Framework for HDFS NN
  3. HDFS-2577

HA: NN fails to start since it tries to start secret manager in safemode

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • HA branch (HDFS-1623)
    • HA branch (HDFS-1623)
    • ha, namenode
    • None
    • Reviewed

    Description

      After HDFS-2301, the NN fails to start with the following:

      Caused by: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot log master key update in safe mode. Name node is in safe mode.
      The reported blocks 0 needs additional 5 blocks to reach the threshold 1.0000 of total blocks 4. Safe mode will be turned off automatically.
      at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.logUpdateMasterKey(FSNamesystem.java:4259)
      at org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager.logUpdateMasterKey(DelegationTokenSecretManager.java:285)
      at org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.updateCurrentKey(AbstractDelegationTokenSecretManager.java:143)
      at org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager.startThreads(AbstractDelegationTokenSecretManager.java:98)
      at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startSecretManager(FSNamesystem.java:386)
      at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startActiveServices(FSNamesystem.java:440)
      at org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.startActiveServices(NameNode.java:937)
      at org.apache.hadoop.hdfs.server.namenode.ha.ActiveState.enterState(ActiveState.java:57)

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            tlipcon Todd Lipcon Assign to me
            tlipcon Todd Lipcon
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              Updated:
              Resolved:

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