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Tag: idempotent

How to setup Kafka Idempotent Producer in Spring Boot?

We would like to store data in Kafka using exactly-once semantics in order to avoid message duplication. Producer with following properties: Kafka topic description: Integration test: Our expectation is that only one message should be stored in Kafka, but the actual result 3 messages. How can I make excatly-once semantics to work with Kafka? What is missing in my configuration?

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