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https://issues.apache.org/jira/browse/YARN-11488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated YARN-11488:
----------------------------------
Labels: pull-request-available (was: )
> Handling CONTAINER_EXPIRED event will throw NEP if the reservation is removed
> from node
> ---------------------------------------------------------------------------------------
>
> Key: YARN-11488
> URL: https://issues.apache.org/jira/browse/YARN-11488
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 3.4.0
> Reporter: caozhiqiang
> Assignee: caozhiqiang
> Priority: Major
> Labels: pull-request-available
>
> In AbstractYarnScheduler::completeOustandingUpdatesWhichAreReserved(), after
> getReservedContainer(), there is a certain possibility that the
> reservedContainer is removed by scheduler. It will throw NEP and
> resourcemanager would crash like below log.
> {code:java}
> // code placeholder
> 2023-05-07 02:04:38,201 FATAL [SchedulerEventDispatcher:Event Processor]
> org.apache.hadoop.yarn.event.EventDispatcher: Error in handling event type
> CONTAINER_EXPIRED to the Event Dispatcher
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler.completeOustandingUpdatesWhichAreReserved(AbstractYarnScheduler.java:725)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler.completedContainer(AbstractYarnScheduler.java:686)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:1927)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:172)
> at
> org.apache.hadoop.yarn.event.EventDispatcher$EventProcessor.run(EventDispatcher.java:74)
> at java.lang.Thread.run(Thread.java:748)
> 2023-05-07 02:04:38,201 INFO [SchedulerEventDispatcher:Event Processor]
> org.apache.hadoop.yarn.event.EventDispatcher: Exiting, bbye..
> {code}
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