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Posted to jira@kafka.apache.org by "Evgeny Veretennikov (JIRA)" <ji...@apache.org> on 2017/07/03 09:20:02 UTC

[jira] [Assigned] (KAFKA-3539) KafkaProducer.send() may block even though it returns the Future

     [ https://issues.apache.org/jira/browse/KAFKA-3539?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Evgeny Veretennikov reassigned KAFKA-3539:
------------------------------------------

    Assignee: Evgeny Veretennikov  (was: Manikumar)

> KafkaProducer.send() may block even though it returns the Future
> ----------------------------------------------------------------
>
>                 Key: KAFKA-3539
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3539
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Oleg Zhurakousky
>            Assignee: Evgeny Veretennikov
>            Priority: Critical
>
> You can get more details from the users@kafka.apache.org by searching on the thread with the subject "KafkaProducer block on send".
> The bottom line is that method that returns Future must never block, since it essentially violates the Future contract as it was specifically designed to return immediately passing control back to the user to check for completion, cancel etc.



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