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https://issues.apache.org/jira/browse/YARN-9952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wilfred Spiegelenburg resolved YARN-9952.
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Resolution: Duplicate
> ontinuous scheduling thread crashes
> -----------------------------------
>
> Key: YARN-9952
> URL: https://issues.apache.org/jira/browse/YARN-9952
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Affects Versions: 2.7.2
> Reporter: kailiu_dev
> Priority: Major
>
> {color:#172b4d}2019-10-16 09:14:51,215 ERROR
> org.apache.hadoop.yarn.YarnUncaughtExceptionHandler: Thread
> Thread{color}[FairSchedulerContinuousScheduling,5,main]{color:#172b4d} threw
> an Exception.{color}
> {color:#172b4d} java.lang.IllegalArgumentException: Comparison method
> violates its general contract!{color}
> {color:#172b4d} at java.util.TimSort.mergeHi(TimSort.java:868){color}
> {color:#172b4d} at java.util.TimSort.mergeAt(TimSort.java:485){color}
> {color:#172b4d} at
> java.util.TimSort.mergeForceCollapse(TimSort.java:426){color}
> {color:#172b4d} at java.util.TimSort.sort(TimSort.java:223){color}
> {color:#172b4d} at java.util.TimSort.sort(TimSort.java:173){color}
> {color:#172b4d} at java.util.Arrays.sort(Arrays.java:659){color}
> {color:#172b4d} at
> java.util.Collections.sort(Collections.java:217){color}
> {color:#172b4d} at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.continuousSchedulingAttempt(FairScheduler.java:1117){color}
> {color:#172b4d} at
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler$ContinuousSchedulingThread.run(FairScheduler.java:296){color}
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