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Posted to dev@kafka.apache.org by "Oleg Zhurakousky (JIRA)" <ji...@apache.org> on 2016/04/11 21:54:26 UTC

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

Oleg Zhurakousky created KAFKA-3539:
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             Summary: 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
            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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