GitHub user pnowojski opened a pull request:
https://github.com/apache/flink/pull/5710
[FLINK-8948][runtime] Fix IllegalStateException when closing StreamTask
All methods in
org.apache.flink.streaming.runtime.tasks.OperatorChain#releaseOutputs shouldn't
throw any exceptions and should be able to release resources after
interruption of the task's
thread.
## Verifying this change
No tests, this is a rare concurrent bug that requires ~30s sleep/freeze
during task cancellation :( RescalingITCase could from time to time trigger
this bug as reported in the jira ticket.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / **no**)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes /
**no** / don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (yes / **no**)
- If yes, how is the feature documented? (**not applicable** / docs /
JavaDocs / not documented)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/pnowojski/flink f8948
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/5710.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 #5710
----
commit bb97cf042be75c69dce41f1a76d4ca252d16f059
Author: Piotr Nowojski <piotr.nowojski@...>
Date: 2018-03-16T14:56:07Z
[FLINK-8948][runtime] Fix IllegalStateException when closing StreamTask
All methods in
org.apache.flink.streaming.runtime.tasks.OperatorChain#releaseOutputs shouldn't
throw any exceptions and should be able to release resources after
interruption of the task's
thread.
----
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