becketqin opened a new pull request #9912: [FLINK-14370][kafka][test-stability] Fix the cascading failure in kaProducerTestBase. URL: https://github.com/apache/flink/pull/9912 ## What is the purpose of the change This patch helps improve the stability of `KafkaProducerTestBase`, which is used by the following IT cases: - Kafka08ProducerITCase - Kafka09ProducerITCase - Kafka010ProducerITCase - KafkaProducerAtLeastOnceITCase - Kafka011ProducerAtLeastOnceITCase ## Brief change log 1. Ensure `testOneToOneAtLeastOnce()` cleans up the environment to avoid cascading failures. 2. Configure the timeout properly so the test finishes quicker. This also address some of the test failures caused by timeout. 3. Added a debugging message on failure to help determine the reason of failure. ## Verifying this change This change fixes the existing tests. ## 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, 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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