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https://issues.apache.org/jira/browse/KAFKA-4248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15543436#comment-15543436
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ASF GitHub Bot commented on KAFKA-4248:
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GitHub user hachikuji opened a pull request:
https://github.com/apache/kafka/pull/1954
KAFKA-4248: Consumer should rematch regex immediately in subscribe
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hachikuji/kafka rematch-regex-on-subscribe
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/1954.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 #1954
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commit 335cc04efa6905ec812ef3ba14985b62c536933e
Author: Jason Gustafson <[email protected]>
Date: 2016-10-03T20:03:25Z
KAFKA-4248: Consumer should rematch regex immediately in subscribe
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> Consumer can return data from old regex subscription in poll()
> --------------------------------------------------------------
>
> Key: KAFKA-4248
> URL: https://issues.apache.org/jira/browse/KAFKA-4248
> Project: Kafka
> Issue Type: Bug
> Components: consumer
> Reporter: Jason Gustafson
> Assignee: Jason Gustafson
> Fix For: 0.10.1.0
>
>
> Because we only update the subscription from the metadata listener currently,
> it is possible when the user changes regex subscriptions to receive data from
> the old subscription. To fix this, we need to ensure that we rematch the new
> regex against the current metadata
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