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https://issues.apache.org/jira/browse/MAPREDUCE-1703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod K V resolved MAPREDUCE-1703.
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Resolution: Duplicate
Going to track this trivial fix as part of MAPREDUCE-1707 that is making
changes to the same class.
> TaskRunner would crash in finally block if taskDistributedCacheManager is null
> ------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1703
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1703
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.21.0
> Reporter: Amareshwari Sriramadasu
> Fix For: 0.22.0
>
>
> If TaskRunner throws an Exception before initializing
> taskDistributedCacheManager, it would crash in finally block at
> taskDistributedCacheManager.release(). TaskRunner would crash without doing
> tip.reportTaskFinished() thus not failing the task. Task will be marked
> FAILED after "mapred.task.timeout" because there is no report from the task.
> We should add a not null check for taskDistributedCacheManager in finally
> block.
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