[jira] [Updated] (KAFKA-7509) Kafka Connect logs unnecessary warnings about unused configurations

["Randall Hauch (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-7509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Randall Hauch updated KAFKA-7509:
---------------------------------
    Component/s: clients

> Kafka Connect logs unnecessary warnings about unused configurations
> -------------------------------------------------------------------
>
>                 Key: KAFKA-7509
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7509
>             Project: Kafka
>          Issue Type: Improvement
>          Components: clients, KafkaConnect
>    Affects Versions: 0.10.2.0
>            Reporter: Randall Hauch
>            Assignee: Randall Hauch
>            Priority: Major
>
> When running Connect, the logs contain quite a few warnings about "The configuration '{}' was supplied but isn't a known config." This occurs when Connect creates producers, consumers, and admin clients, because the AbstractConfig is logging unused configuration properties upon construction. It's complicated by the fact that the Producer, Consumer, and AdminClient all create their own AbstractConfig instances within the constructor, so we can't even call its {{ignore(String key)}} method.
> See also KAFKA-6793 for a similar issue with Streams.
> There are no arguments in the Producer, Consumer, or AdminClient constructors to control  whether the configs log these warnings, so a simpler workaround is to only pass those configuration properties to the Producer, Consumer, and AdminClient that the ProducerConfig, ConsumerConfig, and AdminClientConfig configdefs know about.



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