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https://issues.apache.org/jira/browse/KAFKA-10226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17153210#comment-17153210
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John Roesler commented on KAFKA-10226:
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Hi [~wdaehn] , I've asked around a bit, and the folks I talked to said you
should have seen this log message if you were missing the API keys, and the ACL
on the server requires them:
[https://github.com/apache/kafka/blob/2.5/clients/src/main/java/org/apache/kafka/clients/consumer/internals/Fetcher.java#L1285]
I'm not sure what the problem might have been.
> KStream without SASL information should return error in confluent cloud
> -----------------------------------------------------------------------
>
> Key: KAFKA-10226
> URL: https://issues.apache.org/jira/browse/KAFKA-10226
> Project: Kafka
> Issue Type: Bug
> Components: clients, streams
> Affects Versions: 2.5.0
> Reporter: Werner Daehn
> Priority: Minor
>
> I have create a KStream against the Confluent cloud and wondered why no data
> has been received from the source. Reason was that I forgot to add the SASL
> api keys and secrets.
>
> For end users this might lead to usability issues. If the KStream wants to
> read from a topic and is not allowed to, this should raise an error, not be
> silently ignored.
>
> Hoe do producer/consumer clients handle that situation?
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