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https://issues.apache.org/jira/browse/KAFKA-5075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15970219#comment-15970219
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ASF GitHub Bot commented on KAFKA-5075:
---------------------------------------
GitHub user lindong28 opened a pull request:
https://github.com/apache/kafka/pull/2859
KAFKA-5075; Defer exception to the next pollOnce() if consumer's fetch
position has already increased
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/lindong28/kafka KAFKA-5075
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/2859.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2859
----
commit a0d358396c94c6252790920fc80d42d60caf6289
Author: Dong Lin <[email protected]>
Date: 2017-04-15T22:42:26Z
KAFKA-5075; Defer exception to the next pollOnce() if consumer's fetch
position has already increased
----
> Defer exception to the next pollOnce() if consumer's fetch position has
> already increased
> -----------------------------------------------------------------------------------------
>
> 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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