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https://issues.apache.org/jira/browse/KAFKA-6554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson resolved KAFKA-6554.
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Resolution: Fixed
Fix Version/s: 1.1.0
> Broker doesn't reject Produce request with inconsistent state
> -------------------------------------------------------------
>
> Key: KAFKA-6554
> URL: https://issues.apache.org/jira/browse/KAFKA-6554
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 1.0.0
> Reporter: Simon Fell
> Assignee: Jason Gustafson
> Priority: Minor
> Fix For: 1.1.0
>
> Attachments: produce_v3.txt
>
>
> Produce messages of type v3 have offset deltas in each record along with a
> LastOffsetDelta for the topic/partition set. In investigating an issue with
> missing offsets, I found a bug in a producer library where it would send
> multiple records, but leave LastOffsetDelta at 0. This causes various
> problems including holes in the offsets fetched by the consumer.
> As lastOffsetDelta can be computed by looking at the records, it seems like
> the broker should at least validate the LastOffsetDelta field against the
> contained records to stop this bad data getting in.
> I've attached a decode v3 produce message that was causing the problems, and
> was accepted by the broker.
> Here's a link to the issue in the kafka library we were using which has more
> context if you need it.
> https://github.com/Shopify/sarama/issues/1032
>
>
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