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Posted to dev@kafka.apache.org by "Ismael Juma (JIRA)" <ji...@apache.org> on 2017/05/19 08:52:04 UTC
[jira] [Commented] (KAFKA-5289) One StopReplicaRequest will caused
two Responses
[ https://issues.apache.org/jira/browse/KAFKA-5289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16017075#comment-16017075 ]
Ismael Juma commented on KAFKA-5289:
------------------------------------
Thanks for the report. Great catch. What kind of exceptions can `shutdownIdleFetcherThreads()` throw?
> One StopReplicaRequest will caused two Responses
> ------------------------------------------------
>
> Key: KAFKA-5289
> URL: https://issues.apache.org/jira/browse/KAFKA-5289
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.10.0.0
> Reporter: xuzq
> Priority: Critical
> Attachments: handleStopReplicaRequest.png
>
>
> After discussed with my friend markTC,we find a bug.
> One StopReplicaRequest will caused two Responses.
> At core/src/main/scala/kafka/server/KafkaApi.class 175 and 176 lines.
> When an exception caused at 'replicaManager.replicaFetcherManager.shutdownIdleFetcherThreads()',
> will also return two responses.
> one is at 'requestChannel.sendResponse(new RequestChannel.Response(request, new ResponseSend(request.connectionId, responseHeader, response)))' and another at 'requestChannel.sendResponse(new Response(request, new ResponseSend(request.connectionId, respHeader, response)))'.
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