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Posted to dev@kafka.apache.org by "Ewen Cheslack-Postava (JIRA)" <ji...@apache.org> on 2016/12/31 01:13:58 UTC

[jira] [Commented] (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:comment-tabpanel&focusedCommentId=15788664#comment-15788664 ] 

Ewen Cheslack-Postava commented on KAFKA-3539:
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http://mail-archives.apache.org/mod_mbox/kafka-users/201604.mbox/%3C01978027-5580-4AAB-A254-3585870FBD69%40hortonworks.com%3E is the original message that's the source of this issue.

> 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: Manikumar Reddy
>            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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