[jira] [Resolved] (FLINK-32882) FineGrainedSlotManager cause NPE when clear pending taskmanager twice

[Weihua Hu (Jira)]

     [ 
https://issues.apache.org/jira/browse/FLINK-32882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Weihua Hu resolved FLINK-32882.
-------------------------------
    Fix Version/s: 1.18.0
       Resolution: Fixed

master: b56ae7822f6e4ff3ad67991f1c7916a435c960e9

> FineGrainedSlotManager cause NPE when clear pending taskmanager twice
> ---------------------------------------------------------------------
>
>                 Key: FLINK-32882
>                 URL: https://issues.apache.org/jira/browse/FLINK-32882
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>    Affects Versions: 1.18.0
>            Reporter: Weihua Hu
>            Assignee: Weihua Hu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.18.0
>
>         Attachments: image-2023-08-16-17-34-32-619.png
>
>
> When job finished we call 
> processResourceRequirements(ResourceRequirements.empty) and 
> clearResourceRequirements. Both methods trigger 
> taskManagerTracker.clearPendingAllocationsOfJob(jobId) to release pending 
> task manager early.
>  
> This causes NPE, we need to add a safety net for 
> PendingTaskManager#clearPendingAllocationsOfJob



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