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https://issues.apache.org/jira/browse/KAFKA-5075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15969719#comment-15969719
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Gwen Shapira commented on KAFKA-5075:
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I don't mind doing another RC, since I agree data loss is serious. However, I
don't want to delay a bugfix release that already has good bug fixes in it.
When do you think you'll have the patch merged?
> The position in the consumers may be advanced incorrectly when some exception
> is thrown from consumer.poll()
> ------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-5075
> URL: https://issues.apache.org/jira/browse/KAFKA-5075
> Project: Kafka
> Issue Type: Bug
> Components: clients, consumer
> Affects Versions: 0.10.2.0
> Reporter: Jiangjie Qin
> Assignee: Dong Lin
> Fix For: 0.11.0.0
>
>
> In Fetcher.fetchRecords() we iterate over the partition data to collect the
> ConsumerRecords, after we collect some consumer records from a partition, we
> advance the position of that partition then move on to the next partition. If
> the next partition throws exceptions (e.g. OffsetOutOfRangeException), the
> messages that have already been read out of the buffer will not be delivered
> to the users. Since the positions of the previous partitions have been be
> updated, those messages will not be consumed again either.
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