FAQ
BackupNode fails with MD5 checksum Exception during checkpoint if BN's image is outdated.
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Key: HDFS-2280
URL: https://issues.apache.org/jira/browse/HDFS-2280
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Affects Versions: 0.22.0
Reporter: Konstantin Shvachko
Assignee: Konstantin Shvachko
Fix For: 0.22.0


If BN starts after NN made changes to namespace it fails with MD5 checksum Exception during checkpoint when it reads new image upload from NN. This is happening because {{imageDigest}} is not reset to null, but keeps the value of the originally loaded BN image.

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