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https://issues.apache.org/jira/browse/HADOOP-5325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat reassigned HADOOP-5325:
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Assignee: Amar Kamat
> Jobs are getting stuck on JobTracker restart
> -----------------------------------------------
>
> Key: HADOOP-5325
> URL: https://issues.apache.org/jira/browse/HADOOP-5325
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.20.0
> Reporter: Karam Singh
> Assignee: Amar Kamat
> Priority: Blocker
>
> Recovery manager failed to recover the job properly and threw "
> 2009-02-25 09:24:09,944 INFO org.apache.hadoop.fs.FSInputChecker: Found
> checksum error: b[7168, 7168]=
> org.apache.hadoop.fs.ChecksumException: Checksum error: file filename ".
> . As part of recovery, one of the attempts got added to the expiry launching
> tasks list. But. another attempt of the same tip was relaunched with the same
> attempt id and the job was stuck. Looks like the attempt which got expired
> was marked as failed and newly launched attempt (with same attempt id) was
> successful and Jobtracker tried marking a failed tip as successful hence the
> tip was considered as failed but tip.isComplete returns true.
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