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https://issues.apache.org/jira/browse/HADOOP-2460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12553200
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Raghu Angadi commented on HADOOP-2460:
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Test failure looks unrelated. The patch applies to both trunk and branch-0.15.
> NameNode could delete wrong edits file when there is an error
> -------------------------------------------------------------
>
> Key: HADOOP-2460
> URL: https://issues.apache.org/jira/browse/HADOOP-2460
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.15.0
> Reporter: Raghu Angadi
> Assignee: dhruba borthakur
> Fix For: 0.15.2
>
> Attachments: HADOOP-2460.patch
>
>
> On one of the clusters two namenode directories were specified. The second
> directory had errors and edits log sync failed. Namenode was supposed to run
> with the good directory, but it exited with a 'fatal error' message.
> Looks like it is caused by a bug in {{processIOError()}} in FSEditsLog.java.
> It removes the wrong directory since it passes in index into {{errorStreams}}
> rather than index into {{editStreams}} by mistake.
> This probably should go in 0.15.2.
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