tomicooler opened a new pull request, #6725:
URL: https://github.com/apache/hadoop/pull/6725
Change-Id: I0ca72134b3328a250445ad41525d76d6cbd50a98
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### Description of PR
Jira: [YARN-11684](https://issues.apache.org/jira/browse/YARN-11684)
Previous attempt for the fix:
[YARN-10178](https://issues.apache.org/jira/browse/YARN-10178)
```
2024-04-10 12:36:56,420 ERROR
org.apache.hadoop.yarn.YarnUncaughtExceptionHandler: Thread
Thread[Thread-28,5,main] threw an Exception.
java.lang.IllegalArgumentException: Comparison method violates its general
contract!
at java.util.TimSort.mergeHi(TimSort.java:899)
at java.util.TimSort.mergeAt(TimSort.java:516)
at java.util.TimSort.mergeCollapse(TimSort.java:441)
at java.util.TimSort.sort(TimSort.java:245)
at java.util.Arrays.sort(Arrays.java:1512)
at
java.util.stream.SortedOps$SizedRefSortingSink.end(SortedOps.java:348)
at java.util.stream.Sink$ChainedReference.end(Sink.java:258)
at
java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:483)
at
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
at
java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at
java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at
java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.policy.PriorityUtilizationQueueOrderingPolicy.getAssignmentIterator(PriorityUtilizationQueueOrderingPolicy.java:260)
```
There was still an exception when either the `queue.getPriority()` or the
`queue. getAccessibleNodeLabels()` changed in a different thread during sorting.
### How was this patch tested?
Unit test.
### For code changes:
- [x] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'YARN-11684. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
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