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https://issues.apache.org/jira/browse/KAFKA-1580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094895#comment-14094895
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Jonathan Natkins commented on KAFKA-1580:
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Created reviewboard https://reviews.apache.org/r/24620/diff/
against branch origin/trunk
> Reject producer requests to internal topics
> -------------------------------------------
>
> Key: KAFKA-1580
> URL: https://issues.apache.org/jira/browse/KAFKA-1580
> Project: Kafka
> Issue Type: Bug
> Components: core
> Reporter: Joel Koshy
> Attachments: KAFKA-1580.patch
>
>
> Producer requests to internal topics (currently only __consumer_offset) can
> be disastrous.
> E.g., if we allow a message to be appended to the offsets topic this could
> lead to fatal exceptions when loading the offsets topic and when compacting
> the log.
> Producer requests to these topics should be rejected.
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