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https://issues.apache.org/jira/browse/YARN-3675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Junping Du updated YARN-3675:
-----------------------------
Fix Version/s: 2.8.0
> FairScheduler: RM quits when node removal races with continousscheduling on
> the same node
> -----------------------------------------------------------------------------------------
>
> Key: YARN-3675
> URL: https://issues.apache.org/jira/browse/YARN-3675
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Reporter: Anubhav Dhoot
> Assignee: Anubhav Dhoot
> Priority: Critical
> Fix For: 2.8.0, 2.7.1, 3.0.0-alpha1
>
> Attachments: YARN-3675.001.patch, YARN-3675.002.patch,
> YARN-3675.003.patch
>
>
> With continuous scheduling, scheduling can be done on a node thats just
> removed causing errors like below.
> {noformat}
> 12:28:53.782 AM FATAL
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager
> Error in handling event type APP_ATTEMPT_REMOVED to the scheduler
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt.unreserve(FSAppAttempt.java:469)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.completedContainer(FairScheduler.java:815)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.removeApplicationAttempt(FairScheduler.java:763)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:1217)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:111)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:684)
> at java.lang.Thread.run(Thread.java:745)
> 12:28:53.783 AM INFO
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager Exiting, bbye..
> {noformat}
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