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https://issues.apache.org/jira/browse/FLINK-23698?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski closed FLINK-23698.
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Resolution: Fixed
Merged to master as bbc8fcc9252..7b60a964b1d. In case of reverting this code
depended on FLINK-23741
> Pass watermarks in finishedOnRestore tasks
> ------------------------------------------
>
> Key: FLINK-23698
> URL: https://issues.apache.org/jira/browse/FLINK-23698
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Task
> Affects Versions: 1.14.0
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Priority: Critical
> Fix For: 1.14.0
>
>
> After merging FLINK-23541 there is a bug on restore finished tasks that we
> are loosing an information that max watermark has been already emitted. As
> task is finished, it means no new watermark will be ever emitted, while
> downstream tasks (for example two/multiple input tasks) would be deadlocked
> waiting for a watermark from an already finished input.
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