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Posted to dev@kafka.apache.org by "Matthias J. Sax (JIRA)" <ji...@apache.org> on 2017/04/20 15:35:04 UTC

[jira] [Created] (KAFKA-5096) Check Streams user config parameter earlier

Matthias J. Sax created KAFKA-5096:
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             Summary: Check Streams user config parameter earlier
                 Key: KAFKA-5096
                 URL: https://issues.apache.org/jira/browse/KAFKA-5096
             Project: Kafka
          Issue Type: Improvement
          Components: streams
            Reporter: Matthias J. Sax
            Priority: Minor


Streams does not allow to overwrite some config parameters (eg, {{enable.auto.commit}}).

Currently, those checks are done when the consumer/producer config is generated, ie, when the consumer/producer in instantiated. This means, the check is done quite later after {{KafkaStreams#start()}} was called.

It would be a better user experience, to check user provided configs early on, ie, in the constructor of {{StreamsConfig}}.



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