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https://issues.apache.org/jira/browse/KAFKA-1374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15057052#comment-15057052
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Manikumar Reddy commented on KAFKA-1374:
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[~granthenke] Yes, I will update the docs.
> LogCleaner (compaction) does not support compressed topics
> ----------------------------------------------------------
>
> Key: KAFKA-1374
> URL: https://issues.apache.org/jira/browse/KAFKA-1374
> Project: Kafka
> Issue Type: Bug
> Reporter: Joel Koshy
> Assignee: Manikumar Reddy
> Labels: newbie++
> Fix For: 0.9.0.0
>
> Attachments: KAFKA-1374.patch, KAFKA-1374.patch,
> KAFKA-1374_2014-08-09_16:18:55.patch, KAFKA-1374_2014-08-12_22:23:06.patch,
> KAFKA-1374_2014-09-23_21:47:12.patch, KAFKA-1374_2014-10-03_18:49:16.patch,
> KAFKA-1374_2014-10-03_19:17:17.patch, KAFKA-1374_2015-01-18_00:19:21.patch,
> KAFKA-1374_2015-05-18_22:55:48.patch, KAFKA-1374_2015-05-19_17:20:44.patch
>
>
> This is a known issue, but opening a ticket to track.
> If you try to compact a topic that has compressed messages you will run into
> various exceptions - typically because during iteration we advance the
> position based on the decompressed size of the message. I have a bunch of
> stack traces, but it should be straightforward to reproduce.
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