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https://issues.apache.org/jira/browse/KAFKA-1580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14212811#comment-14212811
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Joel Koshy commented on KAFKA-1580:
-----------------------------------
[~guozhang] I believe this change got lost as part of KAFKA-1583
Would you mind taking a look?
Also, I recently ran into a situation where I actually _needed_ to produce
messages to the consumer offsets topic. I can send a separate email on that. So
I would suggest allowing producer requests to internal topics if a special
"admin" client id is specified (similar to how we allow fetches past the
highwatermark with a special debugging client id).
> 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
> Assignee: Jonathan Natkins
> Fix For: 0.8.2
>
> Attachments: KAFKA-1580.patch, KAFKA-1580_2014-08-14_16:50:40.patch,
> KAFKA-1580_2014-08-14_16:56:50.patch, KAFKA-1580_2014-08-14_18:21:38.patch,
> KAFKA-1580_2014-08-15_15:05:29.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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