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https://issues.apache.org/jira/browse/YARN-4227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16299461#comment-16299461
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Wilfred Spiegelenburg commented on YARN-4227:
---------------------------------------------
Tests pass locally
Test failures also can not be related because they are hard coded to only test
the capacity scheduler.
> FairScheduler: RM quits processing expired container from a removed node
> ------------------------------------------------------------------------
>
> Key: YARN-4227
> URL: https://issues.apache.org/jira/browse/YARN-4227
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Affects Versions: 2.3.0, 2.5.0, 2.7.1
> Reporter: Wilfred Spiegelenburg
> Assignee: Wilfred Spiegelenburg
> Priority: Critical
> Attachments: YARN-4227.2.patch, YARN-4227.3.patch, YARN-4227.4.patch,
> YARN-4227.5.patch, YARN-4227.patch
>
>
> Under some circumstances the node is removed before an expired container
> event is processed causing the RM to exit:
> {code}
> 2015-10-04 21:14:01,063 INFO
> org.apache.hadoop.yarn.util.AbstractLivelinessMonitor:
> Expired:container_1436927988321_1307950_01_000012 Timed out after 600 secs
> 2015-10-04 21:14:01,063 INFO
> org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerImpl:
> container_1436927988321_1307950_01_000012 Container Transitioned from
> ACQUIRED to EXPIRED
> 2015-10-04 21:14:01,063 INFO
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSSchedulerApp:
> Completed container: container_1436927988321_1307950_01_000012 in state:
> EXPIRED event:EXPIRE
> 2015-10-04 21:14:01,063 INFO
> org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=system_op
> OPERATION=AM Released Container TARGET=SchedulerApp RESULT=SUCCESS
> APPID=application_1436927988321_1307950
> CONTAINERID=container_1436927988321_1307950_01_000012
> 2015-10-04 21:14:01,063 FATAL
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in
> handling event type CONTAINER_EXPIRED to the scheduler
> java.lang.NullPointerException
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.completedContainer(FairScheduler.java:849)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:1273)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:122)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:585)
> at java.lang.Thread.run(Thread.java:745)
> 2015-10-04 21:14:01,063 INFO
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Exiting, bbye..
> {code}
> The stack trace is from 2.3.0 but the same issue has been observed in 2.5.0
> and 2.6.0 by different customers.
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