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https://issues.apache.org/jira/browse/FLINK-40925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18124759#comment-18124759
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Sergey Nuyanzin commented on FLINK-40925:
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Merged as
[c84cf68428d91c96ef6493ebe18b21e1d7f4998f|https://github.com/apache/flink/commit/c84cf68428d91c96ef6493ebe18b21e1d7f4998f]
> JobVertexBackPressureHandler throws NoSuchElementException when execution
> attempts are pruned concurrently
> ----------------------------------------------------------------------------------------------------------
>
> Key: FLINK-40925
> URL: https://issues.apache.org/jira/browse/FLINK-40925
> Project: Flink
> Issue Type: Bug
> Components: Runtime / REST
> Affects Versions: 1.16.3, 2.3.0, 2.2.1, 1.20.5, 2.4.0
> Reporter: Sergey Nuyanzin
> Assignee: Sergey Nuyanzin
> Priority: Major
> Labels: pull-request-available
>
> This is a follow up after FLINK-36146 was found a similar buggy pattern
> leading to failure like
> {noformat}
> java.util.NoSuchElementException
> at java.base/java.util.concurrent.ConcurrentHashMap$KeyIterator.next
> at
> JobVertexBackPressureHandler.createSubtaskBackPressureInfo(JobVertexBackPressureHandler.java:130)
> at
> JobVertexBackPressureHandler.handleRequest(JobVertexBackPressureHandler.java:94)
> {noformat}
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