[jira] [Created] (YARN-1694) RM is shutting down when an NM is added to cluster without updating the hostname in /etc/hosts

["Sunil G (JIRA)" <ji...@apache.org>]

Sunil G created YARN-1694:
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             Summary: 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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