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https://issues.apache.org/jira/browse/KAFKA-1822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14249934#comment-14249934
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Joe Stein commented on KAFKA-1822:
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I like the idea of this. Instead of calling it Echo can we implement the
Hearbeat request/response added in KAFKA-1462 for the brokers too?
> Add "echo" request
> ------------------
>
> Key: KAFKA-1822
> URL: https://issues.apache.org/jira/browse/KAFKA-1822
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Reporter: Gwen Shapira
> Assignee: Gwen Shapira
> Fix For: 0.8.3
>
>
> Currently there is no simple way to generate a request and validate we
> receive a response without adding a lot of dependencies for the test.
> Kafka request classes have quite a few dependencies, so they are not really
> usable when testing infrastructure components or clients.
> Generating a byte-array with meaningless request key id as it is done in
> SocketServerTest results in unknown request exception that must be handled.
> I suggest adding an EchoRequest, EchoResponse and EchoHandler. The Request
> will be the usual header and a bytearray. The Response will be a response
> header and the same bytearray echoed back.
> Should be useful for client developers and when testing infrastructure
> changes.
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