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https://issues.apache.org/jira/browse/FLINK-18677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann reassigned FLINK-18677:
-------------------------------------
Assignee: Matthias
> ZooKeeperLeaderRetrievalService does not invalidate leader in case of
> SUSPENDED connection
> ------------------------------------------------------------------------------------------
>
> Key: FLINK-18677
> URL: https://issues.apache.org/jira/browse/FLINK-18677
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.10.1, 1.12.0, 1.11.1
> Reporter: Till Rohrmann
> Assignee: Matthias
> Priority: Major
> Fix For: 1.12.0
>
>
> The {{ZooKeeperLeaderRetrievalService}} does not invalidate the leader if the
> ZooKeeper connection gets SUSPENDED. This means that a {{TaskManager}} won't
> cancel its running tasks even though it might miss a leader change. I think
> we should at least make it configurable whether in such a situation the
> leader listener should be informed about the lost leadership. Otherwise, we
> might run into the situation where an old and a newly recovered instance of a
> {{Task}} can run at the same time.
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