GitHub user StefanRRichter opened a pull request:
https://github.com/apache/flink/pull/5962
[FLINK-9304] Timer service shutdown should not stop if interrupted
## What is the purpose of the change
This PR prevents that interruption prematurely stops the shutdown of the
timer service.
## Brief change log
We catch `InterruptedException` around the shutdown call and repeat the
attempt while there is still time left w.r.t. to the shutdown grace period.
## Verifying this change
This change is a trivial rework / code cleanup without any test coverage.
## 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: (no)
- The S3 file system connector: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (not applicable)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/StefanRRichter/flink FLINK-9304-timer-service
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5962.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 #5962
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commit 962bf06a531ea484bc43e453c3c93a793765cad5
Author: Stefan Richter <s.richter@...>
Date: 2018-05-07T09:55:35Z
[FLINK-9304] Timer service shutdown should not stop if interrupted
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