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https://issues.apache.org/jira/browse/YARN-4911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated YARN-4911:
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Fix Version/s: 3.0.0-alpha2
> Bad placement policy in FairScheduler causes the RM to crash
> ------------------------------------------------------------
>
> Key: YARN-4911
> URL: https://issues.apache.org/jira/browse/YARN-4911
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: fairscheduler
> Reporter: Ray Chiang
> Assignee: Ray Chiang
> Labels: supportability
> Fix For: 2.9.0, 3.0.0-alpha2
>
> Attachments: YARN-4911.001.patch, YARN-4911.002.patch,
> YARN-4911.003.patch, YARN-4911.004.patch
>
>
> When you have a fair-scheduler.xml with the rule:
> <queuePlacementPolicy>
> <rule name="default" queue="okay1" create="false" />
> </queuePlacementPolicy>
> and the queue okay1 doesn't exist, the following exception occurs in the RM:
> 2016-04-01 16:56:33,383 FATAL
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in
> handling event type APP_ADDED to the scheduler
> java.lang.IllegalStateException: Should have applied a rule before reaching
> here
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.QueuePlacementPolicy.assignAppToQueue(QueuePlacementPolicy.java:173)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.assignToQueue(FairScheduler.java:728)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.addApplication(FairScheduler.java:634)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:1224)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:112)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:691)
> at java.lang.Thread.run(Thread.java:745)
> which causes the RM to crash.
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