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From "Ewen Cheslack-Postava (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KAFKA-5704) Auto topic creation causes failure with older clusters
Date Fri, 04 Aug 2017 21:55:00 GMT
Ewen Cheslack-Postava created KAFKA-5704:
--------------------------------------------

             Summary: Auto topic creation causes failure with older clusters
                 Key: KAFKA-5704
                 URL: https://issues.apache.org/jira/browse/KAFKA-5704
             Project: Kafka
          Issue Type: Bug
          Components: KafkaConnect
    Affects Versions: 0.11.0.0
            Reporter: Ewen Cheslack-Postava


The new automatic internal topic creation always tries to check the topic and create it if
missing. However, older brokers that we should still be compatible with don't support some
requests that are used. This results in an UnsupportedVersionException which some of the TopicAdmin
code notes that it can throw but then isn't caught in the initializers, causing the entire
process to fail.

We should probably just catch it, log a message, and allow things to proceed hoping that the
user has already created the topics correctly (as we used to do).



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