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https://issues.apache.org/jira/browse/FLINK-9776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16767026#comment-16767026
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Robert Metzger commented on FLINK-9776:
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This change has actually been merged to Flink 1.6.0 (as you can see from the
commit)
[https://github.com/apache/flink/commit/53e6657658bc750b78c32e91fa7e2c02e8c54e33]
The fixversion has probably been pushed forward because the ticket was still
open.
I'm adjusting the fix version from 1.6.4 to 1.6.0
> Interrupt TaskThread only while in User/Operator code
> -----------------------------------------------------
>
> Key: FLINK-9776
> URL: https://issues.apache.org/jira/browse/FLINK-9776
> Project: Flink
> Issue Type: Improvement
> Components: Local Runtime
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.6.4, 1.8.0
>
>
> Upon cancellation, the task thread is periodically interrupted.
> This helps to pull the thread out of blocking operations in the user code.
> Once the thread leaves the user code, the repeated interrupts may interfere
> with the shutdown cleanup logic, causing confusing exceptions.
> We should stop sending the periodic interrupts once the thread leaves the
> user code.
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