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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4295) RM crashes due to DNS issue
Date Wed, 30 May 2012 14:43:23 GMT
Thomas Graves created MAPREDUCE-4295:
----------------------------------------

             Summary: RM crashes due to DNS issue
                 Key: MAPREDUCE-4295
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4295
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2, resourcemanager
            Reporter: Thomas Graves
            Assignee: Thomas Graves
            Priority: Critical
             Fix For: 0.23.3


we had a DNS outage and the RM crashed with the following backtrace:

2012-05-29 19:17:34,492 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.com        at
org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:430)
        at
org.apache.hadoop.yarn.util.BuilderUtils.newContainerToken(BuilderUtils.java:261)
       at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.createContainer(LeafQueue.java:1184)
        at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.getContainer(LeafQueue.java:1167)
        at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue.assignContainer(LeafQueue.java:1213)

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