XComp opened a new pull request #18692:
URL: https://github.com/apache/flink/pull/18692
## What is the purpose of the change
`FileSystem` implementations based on object stores like S3 do not support
directories. `FileSystem.getFileStatus` fails with a `FileNotFoundException` in
such a case. This also happens despite the fact that `FileSystem.mkdirs`
doesn't fail.
Additionally, I created FLINK-26061 as a follow-up to cover the
inconsistency of the `FileSystem` contract.
## Brief change log
* Removes directory check from `FileSystemJobResultStore` since it's
actually obsolete
* Adds MinioTestContainer to test the change
## Verifying this change
* A ITCase was added that runs a job with HA enabled and backed by S3 using
the newly added Minio TestContainer
* `MinioTestContainerTest` was added to test rudimentary functionality of
the `MinioTestContainer`
## 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: yes
- 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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