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https://issues.apache.org/jira/browse/KAFKA-5231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16011817#comment-16011817
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ASF GitHub Bot commented on KAFKA-5231:
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GitHub user guozhangwang opened a pull request:
https://github.com/apache/kafka/pull/3066
KAFKA-5231: Bump up producer epoch when sending abort txn markers on InitPid
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/guozhangwang/kafka
K5231-bump-up-epoch-when-abort-txn
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/3066.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 #3066
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commit 6b5c6cf6042c61e785e9f005ea0b85ff8e5246c1
Author: Guozhang Wang <[email protected]>
Date: 2017-05-16T06:12:12Z
bump up producer epoch
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> TransactinoCoordinator does not bump epoch when aborting open transactions
> --------------------------------------------------------------------------
>
> Key: KAFKA-5231
> URL: https://issues.apache.org/jira/browse/KAFKA-5231
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Apurva Mehta
> Assignee: Guozhang Wang
> Priority: Blocker
> Labels: exactly-once
> Fix For: 0.11.0.0
>
>
> When the TransactionCoordinator receives an InitPidRequest when there is an
> open transaction for a transactional id, it should first bump the epoch and
> then abort the open transaction.
> Currently, it aborts the open transaction with the existing epoch, hence the
> old producer is never fenced.
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