[CAMEL-18253] camel-kafka: idempotent repository may report incorrect number of messages

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.14.4, 3.17.0
• Fix Version/s: 3.14.5, 3.18.0
• Component/s: camel-kafka
• Estimated Complexity: Unknown
• Assignee: Otavio Rodolfo Piske
• Reporter: Otavio Rodolfo Piske
• Created: 01/Jul/22 07:55
• Updated: 01/Jul/22 11:32
• Resolved: 01/Jul/22 11:32

Description

Any code that calls the (potentially) safe contains method on the Kafka idempotent repository may cause it to incorrectly report an additional number of duplicate messages because it uses incrementAndGet on the counter:

 

https://github.com/apache/camel/blob/camel-3.17.x/components/camel-kafka/src/main/java/org/apache/camel/processor/idempotent/kafka/KafkaIdempotentRepository.java#L375-L382

Issue Links

• links to: GitHub Pull Request #7964
• links to: GitHub Pull Request #7965