HuangZhenQiu opened a new pull request #14678:
URL: https://github.com/apache/flink/pull/14678
## What is the purpose of the change
Add pluggable failure listener spi interface so that Flink users can
customize the failure handling business logic by using the plugin framework.
For example, the user can use the listener to emit metrics for a different type
of error (application or platform).
## Brief change log
- Add FailureListener as SPI and DefaultFailureListener
- Add FailureListenerFactory for loading listener from job resources or
plugin manager.
- Add the test cases for loading in both SPI and the pugin framework.
## Verifying this change
This change added tests and can be verified as follows:
- Added integration tests in flink-tests for testing
FailureListenerFactory plugin loading of customized failure listeners.
- Added unit test for FailureListenerFactory
## 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? (yes)
- If yes, how is the feature documented? (not documented)
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