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https://issues.apache.org/jira/browse/MAPREDUCE-4020?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy closed MAPREDUCE-4020.
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> Web services returns incorrect JSON for deep queue tree
> -------------------------------------------------------
>
> Key: MAPREDUCE-4020
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4020
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, webapps
> Affects Versions: 0.23.1
> Reporter: Jason Lowe
> Assignee: Anupam Seth
> Fix For: 0.23.3, 2.0.2-alpha
>
> Attachments: MAPREDUCE-4020-branch-23.patch,
> MAPREDUCE-4020-branch-23.patch, MAPREDUCE-4020-branch-23.patch,
> MAPREDUCE-4020-branch-23.patch, MAPREDUCE-4020-branch-23.patch,
> MAPREDUCE-4020-branch-23.patch, testcase.patch
>
>
> When the capacity scheduler is configured for more than two levels of queues,
> the web services API returns incorrect JSON for the subQueues field of some
> parent queues. The "subQueues" field for parent queues should always be an
> array, but sometimes the field appears multiple times for a queue and as what
> looks like a CapacityQueueInfo object instead of an array. Besides the
> sometimes-an-array-sometimes-not problem, parsing the result into a JSON
> object causes all but the last "subQueues" field to be discarded since they
> are overwritten by subsequent fields with the same name.
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