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https://issues.apache.org/jira/browse/YARN-6257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16129955#comment-16129955
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Tao Yang commented on YARN-6257:
--------------------------------
Thanks [~sunilg] and [~leftnoteasy]. it makes sense to me. I will update the
document and upload a new patch for review.
> CapacityScheduler REST API produces incorrect JSON - JSON object
> operationsInfo contains deplicate key
> ------------------------------------------------------------------------------------------------------
>
> Key: YARN-6257
> URL: https://issues.apache.org/jira/browse/YARN-6257
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacityscheduler
> Affects Versions: 2.8.1
> Reporter: Tao Yang
> Assignee: Tao Yang
> Priority: Minor
> Attachments: YARN-6257.001.patch
>
>
> In response string of CapacityScheduler REST API,
> scheduler/schedulerInfo/health/operationsInfo have duplicate key 'entry' as a
> JSON object :
> {code}
> "operationsInfo":{
>
> "entry":{"key":"last-preemption","value":{"nodeId":"N/A","containerId":"N/A","queue":"N/A"}},
>
> "entry":{"key":"last-reservation","value":{"nodeId":"N/A","containerId":"N/A","queue":"N/A"}},
>
> "entry":{"key":"last-allocation","value":{"nodeId":"N/A","containerId":"N/A","queue":"N/A"}},
>
> "entry":{"key":"last-release","value":{"nodeId":"N/A","containerId":"N/A","queue":"N/A"}}
> }
> {code}
> To solve this problem, I suppose the type of operationsInfo field in
> CapacitySchedulerHealthInfo class should be converted from Map to List.
> After convert to List, The operationsInfo string will be:
> {code}
> "operationInfos":[
>
> {"operation":"last-allocation","nodeId":"N/A","containerId":"N/A","queue":"N/A"},
>
> {"operation":"last-release","nodeId":"N/A","containerId":"N/A","queue":"N/A"},
>
> {"operation":"last-preemption","nodeId":"N/A","containerId":"N/A","queue":"N/A"},
>
> {"operation":"last-reservation","nodeId":"N/A","containerId":"N/A","queue":"N/A"}
> ]
> {code}
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