[jira] [Created] (CAMEL-20682) camel-kafka - KafkaIdempotentRepository misses continuous updates from its topic after startup

["David Horn (Jira)" <ji...@apache.org>]

David Horn created CAMEL-20682:
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             Summary: camel-kafka - KafkaIdempotentRepository misses continuous updates from its topic after startup
                 Key: CAMEL-20682
                 URL: https://issues.apache.org/jira/browse/CAMEL-20682
             Project: Camel
          Issue Type: Bug
          Components: camel-kafka
    Affects Versions: 4.5.0, 4.4.1, 4.4.0
            Reporter: David Horn


With CAMEL-20218 and CAMEL-20373 the initialization of the KafkaIdempotentRepository has been changed and seems to work fine.

One purpose of a KafkaIdempotentRepository is to synchronize an idempotence state over multiple processes (running in parallel on potentially different machines). So a key feature of a KafkaIdempotentRepository is the continuous update of the local in-memory cache with add/remove events from the idempotent repository's topic *after* initialization. With Commit a407fd82512e6680f4d6d6f97d836e63f76029e6 (https://github.com/apache/camel/commit/a407fd82512e6680f4d6d6f97d836e63f76029e6?diff=split&w=0#diff-8a2c6e5db1f384f93ecfc83f27b90f633d97c0a43775c0b44a75d88b1b74613f) this capability got lost.

I absolutely hope this happened unintentionally and will be fixed soon.


Side Note: I was surprised to see, that consuming from the idempotent repository's topic worked without providing a consumer group even though we have Kafka's access control activated, restricting describe/read access of this topic to dedicated consumer groups only.



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