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https://issues.apache.org/jira/browse/MAPREDUCE-1982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12893560#action_12893560
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Amar Kamat commented on MAPREDUCE-1982:
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Also {{TraceBuilder}} extracts various job configuration properties like
# job-name
# queue-names
# mapred-child task jvm settings etc
from job's conf. So this bug is seen only when there is a jobconf present in
the jobhistory folder.
> [Rumen] TraceBuilder's output shows jobname as NULL for jobhistory files with
> valid jobnames
> --------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1982
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1982
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tools/rumen
> Reporter: Amar Kamat
> Assignee: Ravi Gummadi
>
> {{TraceBuilder}} fails to extract configuration properties (like job-name)
> from the job-conf if the job-conf has the properties stored using the
> deprecated keys.
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