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https://issues.apache.org/jira/browse/KAFKA-2149?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14511899#comment-14511899
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Onur Karaman commented on KAFKA-2149:
-------------------------------------
Okay that sounds fair. I hadn't seen the upgrade docs you provided before. I
had only read KIP-2, which included the line
bq. The idea is that in 0.8.3, we will default wire.protocol.version to 0.8.2
Can you update the KIP?
> fix default InterBrokerProtocolVersion
> --------------------------------------
>
> Key: KAFKA-2149
> URL: https://issues.apache.org/jira/browse/KAFKA-2149
> Project: Kafka
> Issue Type: Bug
> Reporter: Onur Karaman
> Assignee: Onur Karaman
> Attachments: KAFKA-2149.patch
>
>
> Fix the default InterBrokerProtocolVersion to be KAFKA_082 as specified in
> KIP-2.
> We hit wire-protocol problems (BufferUnderflowException) with upgrading
> brokers to include KAFKA-1809. This specifically happened when an older
> broker receives a UpdateMetadataRequest from a controller with the patch and
> the controller didn't explicitly set their inter.broker.protocol.version to
> 0.8.2
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