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https://issues.apache.org/jira/browse/YARN-1694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Vinod Kumar Vavilapalli resolved YARN-1694.
-------------------------------------------
Resolution: Duplicate
Yes it is.
> RM is shutting down when an NM is added to cluster without updating the
> hostname in /etc/hosts
> ----------------------------------------------------------------------------------------------
>
> Key: YARN-1694
> URL: https://issues.apache.org/jira/browse/YARN-1694
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.3.0
> Reporter: Sunil G
> Priority: Critical
>
> A New NM is added to cluster, but the hostname mapping of this NM is not
> updated in /etc/hosts in RM.
> NM registration is successful without any problems.
> When a job is submitted, RM shuts down with below exception.
> 2013-10-04 04:37:37,611 FATAL
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in
> handling event type NODE_UPDATE to the scheduler
> java.lang.IllegalArgumentException: java.net.UnknownHostException:
> host-10-18-40-120
> at
> org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:418)
> at
> org.apache.hadoop.yarn.server.utils.BuilderUtils.newContainerToken(BuilderUtils.java:247)
> at
> org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager.createContainerToken(RMContainerTokenSecretManager.java:195)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.createContainerToken(LeafQueue.java:1296)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainer(LeafQueue.java:1344)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignOffSwitchContainers(LeafQueue.java:1210)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainersOnNode(LeafQueue.java:1169)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainers(LeafQueue.java:870)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainersToChildQueues(ParentQueue.java:645)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainers(ParentQueue.java:559)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.nodeUpdate(CapacityScheduler.java:707)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:751)
> at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:93)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:449)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.net.UnknownHostException: host-10-18-40-120
> ... 15 more
> 2013-10-04 04:37:37,614 INFO
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Exiting, bbye..
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