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https://issues.apache.org/jira/browse/YARN-8681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16585368#comment-16585368
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Weiwei Yang commented on YARN-8681:
-----------------------------------
Hi [~snemeth]
I am going to completely redo
\{{SingleConstraintAppPlacementAllocator#validateAndSetSchedulingRequest}} in
YARN-8015 in order to fully support various of constraints, so this will be
removed. I don't think this is necessary to fix anymore.
> Wrong error message in RM placement constraints check
> -----------------------------------------------------
>
> Key: YARN-8681
> URL: https://issues.apache.org/jira/browse/YARN-8681
> Project: Hadoop YARN
> Issue Type: Bug
> Components: scheduler
> Affects Versions: 3.2.0, 3.1.1
> Reporter: Daniel Templeton
> Assignee: Szilard Nemeth
> Priority: Major
> Attachments: YARN-8681.001.patch
>
>
> In
> {{SingleConstraintAppPlacementAllocator.validateAndSetSchedulingRequest()}} I
> see the following:
> {code} if (singleConstraint.getMinCardinality() != 0
> || singleConstraint.getMaxCardinality() != 0) {
> throwExceptionWithMetaInfo(
> "Only support anti-affinity, which is: minCardinality=0, "
> + "maxCardinality=1");
> }{code}
> I think the error message should say {{"maxCardinality=0"}}
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