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Posted to hdfs-issues@hadoop.apache.org by "Konstantin Shvachko (JIRA)" <ji...@apache.org> on 2011/09/07 02:47:09 UTC

[jira] [Updated] (HDFS-2280) BackupNode fails with MD5 checksum Exception during checkpoint if BN's image is outdated.

     [ https://issues.apache.org/jira/browse/HDFS-2280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Konstantin Shvachko updated HDFS-2280:
--------------------------------------

    Status: Patch Available  (was: Open)

> BackupNode fails with MD5 checksum Exception during checkpoint if BN's image is outdated.
> -----------------------------------------------------------------------------------------
>
>                 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
>
>         Attachments: checksumException.patch
>
>
> 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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