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From "Rahul Jain (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4428) A failed job is not available under job history if the job is killed right around the time job is notified as failed
Date Thu, 12 Jul 2012 05:55:34 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Rahul Jain updated MAPREDUCE-4428:

    Attachment: resrcmgr_bad.txt

Here are the resource manager logs appended for failure case. Note that resource manager was
not restarted any time; and the same stack trace can be found on the resource manager when
the application attempts to unregister
org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl:     Application doesn't
exist in cache appattempt_1341894680756_0017_000001....
> A failed job is not available under job history if the job is killed right around the
time job is notified as failed 
> ---------------------------------------------------------------------------------------------------------------------
>                 Key: MAPREDUCE-4428
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4428
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver, jobtracker
>    Affects Versions: 2.0.0-alpha
>            Reporter: Rahul Jain
>         Attachments: appMaster_bad.txt, appMaster_good.txt, resrcmgr_bad.txt
> We have observed this issue consistently running hadoop CDH4 version (based upon 2.0
alpha release):
> In case our hadoop client code gets a notification for a completed job ( using RunningJob
object job, with (job.isComplete() && job.isSuccessful()==false)
> the hadoop client code does an unconditional job.killJob() to terminate the job.
> With earlier hadoop versions (verified on hadoop 0.20.2 version), we still  have full
access to job logs afterwards through hadoop console. However, when using MapReduceV2, the
failed hadoop job no longer shows up under jobhistory server. Also, the tracking URL of the
job still points to the non-existent Application master http port.
> Once we removed the call to job.killJob() for failed jobs from our hadoop client code,
we were able to access the job in job history with mapreduce V2 as well. Therefore this appears
to be a race condition in the job management wrt. job history for failed jobs.
> We do have the application master and node manager logs collected for this scenario if
that'll help isolate the problem and the fix better.

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