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Posted to issues@flink.apache.org by "Jiangjie Qin (Jira)" <ji...@apache.org> on 2020/12/10 00:50:00 UTC
[jira] [Resolved] (FLINK-20492) The SourceOperatorStreamTask should
implement cancelTask() and finishTask()
[ https://issues.apache.org/jira/browse/FLINK-20492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jiangjie Qin resolved FLINK-20492.
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Resolution: Fixed
> The SourceOperatorStreamTask should implement cancelTask() and finishTask()
> ---------------------------------------------------------------------------
>
> Key: FLINK-20492
> URL: https://issues.apache.org/jira/browse/FLINK-20492
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Common
> Affects Versions: 1.12.0, 1.11.3
> Reporter: Jiangjie Qin
> Assignee: Jiangjie Qin
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.13.0, 1.12.1
>
>
> The {{SourceOperatorStreamTask}} does not implement {{cancelTask}} and {{finishTask}} at this point. This causes resource leak on job cancellation of finish.
> Currently there are three cases that a Job may exit.
> # Canceled - {{cancelTask()}} method will be called to close the SourceOperator.
> # Stopped with a savepoint - {{finishTask()}} method will be called to close the SourceOperator.
> # Runs to the EndOfInput - the SourceOperator is closed in {{StreamTask.afterInvoke()}}.
>
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