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https://issues.apache.org/jira/browse/FLINK-22893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-22893.
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Resolution: Fixed
master: 6d0e2cf6884e9c47ea5e55d3b2523e2a1570e290
> Leader retrieval fails with NoNodeException
> -------------------------------------------
>
> Key: FLINK-22893
> URL: https://issues.apache.org/jira/browse/FLINK-22893
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.11.1, 1.14.0
> Reporter: Dawid Wysakowicz
> Assignee: Chesnay Schepler
> Priority: Critical
> Labels: pull-request-available, test-stability
> Fix For: 1.14.0
>
>
> The NodeCache used by the LeaderElection-/-RetrievalDrivers ensures that
> parents to the observed node exists by regularly issuing mkdir calls. This
> operation can fail if concurrently the HA data is being cleaned up, which
> results in curator throwing an unhandled exception which crashes the TM.
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=18700&view=logs&j=2c3cbe13-dee0-5837-cf47-3053da9a8a78&t=2c7d57b9-7341-5a87-c9af-2cf7cc1a37dc&l=4382
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