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https://issues.apache.org/jira/browse/FLINK-21469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17329002#comment-17329002
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Flink Jira Bot commented on FLINK-21469:
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This critical issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 7 days. So, it has been labeled "stale-critical". If this
ticket is indeed critical, please either assign yourself or give an update.
Afterwards, please remove the label. In 7 days the issue will be deprioritized.
> stop-with-savepoint --drain doesn't advance watermark for sources chained to
> MultipleInputStreamTask
> ----------------------------------------------------------------------------------------------------
>
> Key: FLINK-21469
> URL: https://issues.apache.org/jira/browse/FLINK-21469
> Project: Flink
> Issue Type: Bug
> Components: API / DataStream, Runtime / Task
> Affects Versions: 1.12.1, 1.13.0
> Reporter: Piotr Nowojski
> Priority: Critical
> Labels: stale-critical
>
> {{StreamTask#advanceToEndOfEventTime()}} is used to bump the watermark to
> {{MAX_WATERMARK}}. However this method is only implemented for the source
> tasks (legacy and FLIP-27). Because of that watermarks are not advanced to
> end of time if job has sources chained to {{MultipleInputStreamTask}}.
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