[jira] [Commented] (AURORA-1879) /pendingTasks endpoint shows 500 HTTP Error when there are multiple pending tasks with the same key

["Santhosh Kumar Shanmugham (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AURORA-1879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15829186#comment-15829186 ] 

Santhosh Kumar Shanmugham commented on AURORA-1879:
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I think the issue is when we have multiple TaskGroups that have same key (3-tuple) but different TaskConfigs, which can happen when there are JobUpdates.

https://github.com/apache/aurora/blob/master/src/main/java/org/apache/aurora/scheduler/metadata/NearestFit.java#L133-L138

> /pendingTasks endpoint shows 500 HTTP Error when there are multiple pending tasks with the same key
> ---------------------------------------------------------------------------------------------------
>
>                 Key: AURORA-1879
>                 URL: https://issues.apache.org/jira/browse/AURORA-1879
>             Project: Aurora
>          Issue Type: Bug
>          Components: Scheduler
>            Reporter: Kai Huang
>         Attachments: pending_tasks.png
>
>
> When we have multiple TaskGroups that have same key but different TaskConfigs, the /pendingTasks endpoint will gives a 500 HTTP Error.
> This bug seems to be related to a recent commit (Added the 'reason' to the /pendingTasks endpoint)(https://github.com/apache/aurora/commit/8e07b04bbd4de23b8f492627da4a614d1e517cf1). 
> Attached were a screenshot of the /pendingTasks endpoint.



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