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From "Amithsha (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-9901) Comparison method violates its general contract!
Date Tue, 04 Aug 2020 04:27:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-9901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amithsha resolved YARN-9901.
----------------------------
    Resolution: Duplicate

> Comparison method violates its general contract!
> ------------------------------------------------
>
>                 Key: YARN-9901
>                 URL: https://issues.apache.org/jira/browse/YARN-9901
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacity scheduler
>    Affects Versions: 2.9.0
>            Reporter: Amithsha
>            Priority: Major
>
> 2019-10-12 04:38:04,409 FATAL event.EventDispatcher (?:?  !https://jira.fkinternal.com/images/icons/emoticons/help_16.png|width=16,height=16!
) - Error in handling event type NODE_UPDATE to the Event Dispatcher
> java.lang.IllegalArgumentException: Comparison method violates its general contract!
>         at java.util.TimSort.mergeHi(TimSort.java:895)
>         at java.util.TimSort.mergeAt(TimSort.java:512)
>         at java.util.TimSort.mergeForceCollapse(TimSort.java:453)
>         at java.util.TimSort.sort(TimSort.java:250)
>         at java.util.Arrays.sort(Arrays.java:1512)
>         at java.util.ArrayList.sort(ArrayList.java:1454)
>         at java.util.Collections.sort(Collections.java:175)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.policy.PriorityUtilizationQueueOrderingPolicy.getAssignmentIterator(PriorityUtilizationQueueOrderingPolicy.java:174)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.sortAndGetChildrenAllocationIterator(ParentQueue.java:709)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainersToChildQueues(ParentQueue.java:721)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainers(ParentQueue.java:558)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainersToChildQueues(ParentQueue.java:734)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainers(ParentQueue.java:558)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainersToChildQueues(ParentQueue.java:734)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.assignContainers(ParentQueue.java:558)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.allocateOrReserveNewContainers(CapacityScheduler.java:1346)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.allocateContainerOnSingleNode(CapacityScheduler.java:1341)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.allocateContainersToNode(CapacityScheduler.java:1430)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.allocateContainersToNode(CapacityScheduler.java:1205)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.nodeUpdate(CapacityScheduler.java:1067)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:1472)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.handle(CapacityScheduler.java:151)
>         at org.apache.hadoop.yarn.event.EventDispatcher$EventProcessor.run(EventDispatcher.java:66)
>         at java.lang.Thread.run(Thread.java:745)
>  
>  
>  
>  



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