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https://issues.apache.org/jira/browse/FLINK-16597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17062163#comment-17062163
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Roman Khachatryan commented on FLINK-16597:
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Would you like to work on this [~wind_ljy] ?
> tryCleanupOnError should happen before close
> --------------------------------------------
>
> Key: FLINK-16597
> URL: https://issues.apache.org/jira/browse/FLINK-16597
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Task
> Affects Versions: 1.10.0
> Reporter: Jiayi Liao
> Priority: Major
>
> If {{DataSinkTask}} fails or throws an exception, the {{OutputFormat}} will
> call {{tryCleanupOnError}} before {{close}}. But the calling order is reverse
> when {{DataSinkTask}} is cancelled, which doesn't make much sense that we can
> still clean the output format after it's closed.
> I'm not very sure if this is a bug. But this does mislead our developers when
> implementing our customized {{OutputFormat}}. cc [~sewen]
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