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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-5704) Auto topic creation causes failure with older clusters
Date Wed, 09 Aug 2017 03:23:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119354#comment-16119354
] 

ASF GitHub Bot commented on KAFKA-5704:
---------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/kafka/pull/3641


> 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
>            Assignee: Randall Hauch
>             Fix For: 0.11.0.1, 1.0.0
>
>
> 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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