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https://issues.apache.org/jira/browse/FLINK-7690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16180368#comment-16180368
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ASF GitHub Bot commented on FLINK-7690:
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GitHub user suez1224 opened a pull request:
https://github.com/apache/flink/pull/4724
[FLINK-7690] [Cluster Management] Do not call actorSystem.awaitTermination
from akka's main message han…
## What is the purpose of the change
*During shutdown, do not wait for the ActorSystem's termination within the
main akka message handling thread as it will block the job from terminating
forever.*
## Brief change log
*(for example:)*
- *call ActorSystem.awaitTermination from a different thread.*
## Verifying this change
- *Manually verified the change by running the example streaming
WordCount job on local YARN cluster.*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: yes
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/suez1224/flink fix-jobmaster-await-termination
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4724.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 #4724
----
commit 291313719ac2ae185dab42a572eb5e4d0e34e7dd
Author: Shuyi Chen <[email protected]>
Date: 2017-09-26T06:25:49Z
Do not call actorSystem.awaitTermination from akka's main message handling
thread
----
> Do not call actorSystem.awaitTermination from the main akka message handling
> thread
> -----------------------------------------------------------------------------------
>
> Key: FLINK-7690
> URL: https://issues.apache.org/jira/browse/FLINK-7690
> Project: Flink
> Issue Type: Bug
> Reporter: Shuyi Chen
> Assignee: Shuyi Chen
> Labels: flip-6
>
> In flip-6, this bug causes the yarn job to hang forever with RUNNING status
> when the enclosing flink job has already failed/finished.
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