mateczagany opened a new pull request, #27466:
URL: https://github.com/apache/flink/pull/27466
## What is the purpose of the change
`UnalignedCheckpointFailureHandlingITCase` fails intermittently as a race
condition was not properly handled in the test code.
## Brief change log
- Instead of Thread.sleep, check the value of `failOnCloseRef` to make sure
that the channel state writer had the opportunity to call the
`closeAndGetHandle` and `close` methods.
## Verifying this change
Could not reproduce the test failure anymore
## 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, Kubernetes/Yarn, 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
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