Daryn Sharp created HDFS-4690:
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Summary: Namenode exits if entering safemode while secret manager
is edit logging
Key: HDFS-4690
URL: https://issues.apache.org/jira/browse/HDFS-4690
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode, security
Affects Versions: 0.23.0
Reporter: Daryn Sharp
Assignee: Daryn Sharp
Priority: Critical
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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