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https://issues.apache.org/jira/browse/FLINK-5114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15733668#comment-15733668
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ASF GitHub Bot commented on FLINK-5114:
---------------------------------------
GitHub user uce opened a pull request:
https://github.com/apache/flink/pull/2975
[backport] [FLINK-5114] [network] Handle partition producer state check for
unregistered executions
Reverted some changes made in #2913 after a discussion with @StephanEwen
and decided to close the other one in favour of this PR for cleaner diffs.
The main difference to the previous variants in #2913 and #2912 (for
`master`) is that here I stick to the JobManager side changes only. The clumsy
way of how the TaskManagers ask the JobManager for the producer state via a
`tell` that is manually routed back to the `Task` is kept in order to keep the
changes minimially invasive, which is better to oversee given that this goes
into a bugfix release.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/uce/flink 5114-partition_state-1.1-reworked
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2975.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2975
----
----
> PartitionState update with finished execution fails
> ---------------------------------------------------
>
> Key: FLINK-5114
> URL: https://issues.apache.org/jira/browse/FLINK-5114
> Project: Flink
> Issue Type: Bug
> Components: Network
> Reporter: Ufuk Celebi
> Assignee: Ufuk Celebi
>
> If a partition state request is triggered for a producer that finishes before
> the request arrives, the execution is unregistered and the producer cannot be
> found. In this case the PartitionState returns null and the job fails.
> We need to check the producer location via the intermediate result partition
> in this case.
> See here: https://api.travis-ci.org/jobs/177668505/log.txt?deansi=true
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