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https://issues.apache.org/jira/browse/KAFKA-18784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai resolved KAFKA-18784.
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Resolution: Fixed
trunk:
https://github.com/apache/kafka/commit/2b6e868538490837e4bc18c17708f42e5ae96a58
4.0:
https://github.com/apache/kafka/commit/c4ea05f68411383eefe326e76202e2c534c71a2e
> Fix ConsumerWithLegacyMessageFormatIntegrationTest
> --------------------------------------------------
>
> Key: KAFKA-18784
> URL: https://issues.apache.org/jira/browse/KAFKA-18784
> Project: Kafka
> Issue Type: Bug
> Components: consumer
> Reporter: Ismael Juma
> Assignee: PoAn Yang
> Priority: Blocker
> Fix For: 4.0.0
>
>
> This test is meant to exercise the consumer with old message formats, but
> it's not actually doing that (the code to produce with old record formats was
> removed). To fix the test, we can use the `Log` class to write with old
> record formats.
> This test is still useful because brokers can still return records with old
> formats if the data was written to the log with the old format and never
> deleted. Another case is for compacted topics since we don't force the
> rewrite to the new message format with versions older than 4.0.
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