[MAPREDUCE-4295] RM crashes due to DNS issue

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 0.23.3, 2.0.2-alpha
• Component/s: mrv2, resourcemanager
• Target Version/s: 0.23.3
• Assignee: Thomas Graves
• Reporter: Thomas Graves
• Created: 30/May/12 14:41
• Updated: 08/Jun/13 01:46
• Resolved: 21/Jun/12 18:16

Description

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)

Issue Links

• relates to: YARN-713 ResourceManager can exit unexpectedly if DNS is unavailable