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https://issues.apache.org/jira/browse/KAFKA-6793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17038518#comment-17038518
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John Roesler commented on KAFKA-6793:
-------------------------------------
Amending my previous comment, after looking over the history of this ticket and
KAFKA-7509, I don't think that it's possible to pass only "known, valid"
configurations to the clients, since the clients themselves may have injected
components (like interceptors) for which we can't know the configurations up
front.
I've sent a message to the dev mailing list "[DISCUSS] KIP-552: Add interface
to handle unused config" thread with an alternative proposal.
> Unnecessary warning log message
> --------------------------------
>
> Key: KAFKA-6793
> URL: https://issues.apache.org/jira/browse/KAFKA-6793
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 1.1.0
> Reporter: Anna O
> Priority: Minor
>
> When upgraded KafkaStreams from 0.11.0.2 to 1.1.0 the following warning log
> started to appear:
> level: WARN
> logger: org.apache.kafka.clients.consumer.ConsumerConfig
> message: The configuration 'admin.retries' was supplied but isn't a known
> config.
> The config is not explicitly supplied to the streams.
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