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Posted to hdfs-dev@hadoop.apache.org by "Konstantin Shvachko (JIRA)" <ji...@apache.org> on 2011/08/23 21:16:28 UTC

[jira] [Created] (HDFS-2280) BackupNode fails with MD5 checksum Exception during checkpoint if BN's image is outdated.

BackupNode fails with MD5 checksum Exception during checkpoint if BN's image is outdated.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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