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https://issues.apache.org/jira/browse/KAFKA-6289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajini Sivaram resolved KAFKA-6289.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.0.1
1.1.0
Issue resolved by pull request 4280
[https://github.com/apache/kafka/pull/4280]
> NetworkClient should not return internal failed api version responses from
> poll
> -------------------------------------------------------------------------------
>
> Key: KAFKA-6289
> URL: https://issues.apache.org/jira/browse/KAFKA-6289
> Project: Kafka
> Issue Type: Bug
> Reporter: Jason Gustafson
> Assignee: Jason Gustafson
> Fix For: 1.1.0, 1.0.1
>
>
> In the AdminClient, if the initial ApiVersion request sent to the broker
> fails, we see the following obscure message:
> {code}
> [2017-11-30 17:18:48,677] ERROR Internal server error on -2: server returned
> information about unknown correlation ID 0. requestHeader =
> {api_key=18,api_version=1,correlation_id=0,client_id=adminclient-3}
> (org.apache.kafka.clients.admin.KafkaAdminClient)
> {code}
> What's happening is that the response to the internal ApiVersion request
> which is received in NetworkClient is mistakenly being sent to the upper
> layer (the admin client in this case). The admin wasn't expecting it, so we
> see this message. Instead, the request should be handled internally in
> NetworkClient.
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