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Posted to mapreduce-issues@hadoop.apache.org by "Ahmed Radwan (Commented) (JIRA)" <ji...@apache.org> on 2012/02/08 21:31:01 UTC
[jira] [Commented] (MAPREDUCE-3418) If map output is not found,
shuffle runs in tight loop
[ https://issues.apache.org/jira/browse/MAPREDUCE-3418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13203948#comment-13203948 ]
Ahmed Radwan commented on MAPREDUCE-3418:
-----------------------------------------
Is there anyone looking at this issue?
> If map output is not found, shuffle runs in tight loop
> ------------------------------------------------------
>
> Key: MAPREDUCE-3418
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3418
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 0.23.0
> Reporter: John George
>
> Sharad Agarwal bumped into this while simulating fetch failures.
> Removed the map output directory. Shuffle runs in tight loop throwing
> :
> 2011-06-01 09:02:20,511 WARN org.apache.hadoop.mapreduce.task.reduce.Fetcher: Invalid map id
> java.lang.IllegalArgumentException: TaskAttemptId string : TTP/1.1 500 Internal Server Error
> Content-Type: text/plain; charset=UTF is not properly formed
> at org.apache.hadoop.mapreduce.TaskAttemptID.forName(TaskAttemptID.java:174)
> at org.apache.hadoop.mapreduce.task.reduce.Fetcher.copyMapOutput(Fetcher.java:284)
> at org.apache.hadoop.mapreduce.task.reduce.Fetcher.copyFromHost(Fetcher.java:251)
> at org.apache.hadoop.mapreduce.task.reduce.Fetcher.run(Fetcher.java:149)
> Fetch failure is not triggered.
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