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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2280) BackupNode fails with MD5 checksum Exception during checkpoint if BN's image is outdated.
Date Tue, 23 Aug 2011 19:16:28 GMT
BackupNode fails with MD5 checksum Exception during checkpoint if BN's image is outdated.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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