becketqin opened a new pull request #10794: [FLINK-15490][kafka][test-stability] Enable idempotence producing in … URL: https://github.com/apache/flink/pull/10794 …KafkaITCase to avoid intermittent test failure. ## What is the purpose of the change Kafka IT case produces messages without enabling idempotence for `KafkaProducer`. This may cause occasional failure in some tests with duplication check. This patch enables idempotent Kafka producer. ## Brief change log Enable idempotent Kafka producer in KafkaITCase. ## Verifying this change This change fixes an existing test case, i.e. KafkaITCase. ## 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: (yes / no / don't know) - 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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