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https://issues.apache.org/jira/browse/MAPREDUCE-6096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18049976#comment-18049976
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ASF GitHub Bot commented on MAPREDUCE-6096:
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github-actions[bot] closed pull request #1: MAPREDUCE-6096.SummarizedJob Class
Improvment
URL: https://github.com/apache/hadoop/pull/1
> SummarizedJob class NPEs with some jhist files
> ----------------------------------------------
>
> Key: MAPREDUCE-6096
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6096
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobhistoryserver
> Reporter: zhangyubiao
> Assignee: zhangyubiao
> Priority: Major
> Labels: easyfix, patch, pull-request-available
> Attachments: MAPREDUCE-6096-v1.patch, MAPREDUCE-6096-v2.patch,
> MAPREDUCE-6096.patch,
> job_1446203652278_66705-1446308686422-dd_edw-insert+overwrite+table+bkactiv...dp%3D%27ACTIVE%27%28Stage-1446308802181-233-0-SUCCEEDED-bdp_jdw_corejob.jhist
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> When I Parse the JobHistory in the HistoryFile,I use the Hadoop System's
> map-reduce-client-core project
> org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser class and
> HistoryViewer$SummarizedJob to Parse the JobHistoryFile(Just Like
> job_1408862281971_489761-1410883171851_XXX.jhist)
> and it throw an Exception Just Like
> Exception in thread "pool-1-thread-1" java.lang.NullPointerException
> at
> org.apache.hadoop.mapreduce.jobhistory.HistoryViewer$SummarizedJob.<init>(HistoryViewer.java:626)
> at
> com.jd.hadoop.log.parse.ParseLogService.getJobDetail(ParseLogService.java:70)
> After I'm see the SummarizedJob class I find that attempt.getTaskStatus() is
> NULL ， So I change the order of
> attempt.getTaskStatus().equals (TaskStatus.State.FAILED.toString()) to
> TaskStatus.State.FAILED.toString().equals(attempt.getTaskStatus())
> and it works well .
> So I wonder If we can change all attempt.getTaskStatus() after
> TaskStatus.State.XXX.toString() ?
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