zjffdu opened a new pull request #12216:
URL: https://github.com/apache/flink/pull/12216
## What is the purpose of the change
The root cause of scala shell broken in yarn mode is that target is set as
`yarn-per-job` which is not correct. This PR fix this issue by removing
`target` after deploying yarn session cluster.
## Verifying this change
Verify it manually, start scala shell and run the following sample code.
```
val dataStream = senv.fromElements(1, 2, 3, 4)
dataStream.countWindowAll(2).sum(0).print()
senv.execute("My streaming program")
```
Before this PR, this piece of code will start another yarn app and fail to
run this flink job.
## 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/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 )
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