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https://issues.apache.org/jira/browse/FLINK-36859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zakelly Lan resolved FLINK-36859.
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Resolution: Fixed
> Wrong epoch/watermark firing in async state processing
> ------------------------------------------------------
>
> Key: FLINK-36859
> URL: https://issues.apache.org/jira/browse/FLINK-36859
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Task
> Reporter: Zakelly Lan
> Assignee: Zakelly Lan
> Priority: Major
> Labels: pull-request-available
>
> Currently, we use `EpochManager` to manage the watermark in async state
> processing. We found an issue when a watermark reached and no further input
> reach for a while, the epoch/watermark will be triggered twice.
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