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) ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org