Hi,

Could not able to find correlationID response for the Apiversions API, did
you mean Produce API?

Maybe it is throttleTimeSize ?

https://github.com/a0x8o/kafka/blob/54eff6af115ee647f60129f2ce6a044cb17215d0/core/src/main/scala/kafka/api/ProducerResponse.scala#L68

On Sun, Oct 27, 2024, 17:42 Chain Head <mrchainh...@gmail.com> wrote:

> (Apologies - I sent the same mail to the dev mailing list by mistake!)
>
> Hello,
> I set-up a simple Java client to publish a sample message to Kafka broker.
> I can see API Versions request v3 and response messages. I am able to map
> all the bytes as described here
> (https://kafka.apache.org/protocol.html#The_Messages_ApiVersions) for
> API
> Versions request and response except for 1 byte as shown below.
>
> - Length - INT32
> - Correlation ID - INT32
> - Error code - INT16
> - ? - 1 byte value 0x3c
> - Array of API keys, supported versions and tagged fields
> - Throttle - INT32
> - Tagged fields.
>
> Can you please help me understand?
>
> Thanks.
>

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