becketqin opened a new pull request #14314:
URL: https://github.com/apache/flink/pull/14314
…Task() to SourceOperatorStreamTask.
## What is the purpose of the change
The `SourceOperatorStreamTask` does not implement `cancelTask()` and
`finishTask()` at this point. This causes resource leak on job cancellation or
when job is stopped with savepoint.
## Brief change log
Add implementation of `cancelTask()` and `finishTask()` to the
`SourceOperatorStreamTask`.
## Verifying this change
The following two unit tests has been added to the
`SourceOperatorStreamTask`.
`testCancelTaskClosesTheSourceOperator()`
`testStopTaskWithSavepointClosesTheSourceOperator()`
## 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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