Prabhu Joseph created YARN-11417:
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Summary: RM Crashes when changing Node Label of a Node in
Distributed Configuration
Key: YARN-11417
URL: https://issues.apache.org/jira/browse/YARN-11417
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 3.3.3
Reporter: Prabhu Joseph
Assignee: Prabhu Joseph
RM Crashes when changing Node Label of a Node in Distributed Configuration.
{code}
2023-01-11 16:25:50,986 ERROR org.apache.hadoop.yarn.event.EventDispatcher
(SchedulerEventDispatcher:Event Processor): Error in handling event type
NODE_REMOVED to the Event Dispatcher
java.lang.NullPointerException
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.ClusterNodeTracker.removeNode(ClusterNodeTracker.java:194)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.removeNode(CapacityScheduler.java:2145)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:1833)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:171)
at
org.apache.hadoop.yarn.event.EventDispatcher$EventProcessor.run(EventDispatcher.java:83)
at java.lang.Thread.run(Thread.java:750)
{code}
*Repro*
1. Two NodeManagers with CORE Node Label
{code}
yarn.nodemanager.node-labels.provider.configured-node-partition=CORE
yarn.node-labels.enabled = true
yarn.node-labels.configuration-type = distributed
yarn.nodemanager.node-labels.provider = config
{code}
2. Change the Node Label of one of the node into TASK and restart nodemanager.
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