becketqin opened a new pull request #14239:
URL: https://github.com/apache/flink/pull/14239
# What is the purpose of the change
This PR fixes a few issues reported during Kafka Source release testing.
- Do not commit offsets for partitions whose offsets has not been
initialized.
- Do not log and fail the job again if exception is received by the
UncaughtExceptionHandler in SourceCoordinatorContext.
- Report numRecordsOut from the SourceOperator.
- Close admin client early when periodic partition discovery is disabled.
- Close the OperatorCoordinators synchronously to avoid
ClassNotFoundException.
## Brief change log
- Do not commit offsets for partitions whose offsets has not been
initialized.
- Do not log and fail the job again if exception is received by the
UncaughtExceptionHandler in SourceCoordinatorContext.
- Report numRecordsOut from the SourceOperator.
- Close admin client early when periodic partition discovery is disabled.
- Close the OperatorCoordinators synchronously to avoid
ClassNotFoundException.
## Verifying this change
Two unit tests have been added to verify the following two commits.
- Do not commit offsets for partitions whose offsets has not been
initialized.
- Do not log and fail the job again if exception is received by the
UncaughtExceptionHandler in SourceCoordinatorContext.
Verified via the WebUI that the metrics of records out is correctly reported.
Used the `StateMachineExample` to start/cancel/resume jobs and did not see
dangling `AdminClients` / `ClassNotFoundException`.
## 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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