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https://issues.apache.org/jira/browse/MAPREDUCE-7130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16641819#comment-16641819
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Jason Lowe commented on MAPREDUCE-7130:
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+1. This seems the most likely to fix the issue without introducing a lot more
risk/issues.
> Rumen crashes trying to handle MRAppMaster recovery events
> ----------------------------------------------------------
>
> Key: MAPREDUCE-7130
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7130
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tools/rumen
> Reporter: Jonathan Bender
> Priority: Minor
>
> In the event of an MRAppMaster recovery, the Job History file gets an event
> of the following form:
> {code:json}
> {"type":"JOB_KILLED","event":\{"org.apache.hadoop.mapreduce.jobhistory.JobUnsuccessfulCompletion":{"jobid":"job_1532048817013_xxxx","finishTime":1534521962641,"finishedMaps":0,"finishedReduces":0,"jobStatus":"SUCCEEDED","diagnostics":{"string":"Job
> commit succeeded in a prior MRAppMaster attempt before it crashed.
> Recovering."},"failedMaps":0,"failedReduces":0,"killedMaps":0,"killedReduces":0}}}
> {code}
> The issue seems to be around the SUCCEEDED job status for a
> JobUnsuccessfulCompletion:
> https://github.com/apache/hadoop/blob/e0f6ffdbad6f43fd43ec57fb68ebf5275b8b9ba0/hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/JobBuilder.java#L609
> Which fails to find the enum here:
> https://github.com/apache/hadoop/blob/e0f6ffdbad6f43fd43ec57fb68ebf5275b8b9ba0/hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/Pre21JobHistoryConstants.java#L50
> I'm not sure if this is an error with the Rumen parser or if the job history
> file is getting into an invalid state.
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