GitHub user apurvam opened a pull request:
https://github.com/apache/kafka/pull/4137
KAFKA-6119: Bump epoch when expiring transactions in the
TransactionCoordinator
A description of the problem is in the JIRA. I have added an integration
test which reproduces the original scenario, and also added unit test cases.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/apurvam/kafka
KAFKA-6119-bump-epoch-when-expiring-transactions
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/4137.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 #4137
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commit 4405e4f9c30e82864417fdbafe3817ee4acee661
Author: Apurva Mehta <apu...@confluent.io>
Date: 2017-10-26T00:58:44Z
Bump the epoch when we abort a transaction on the coordinator
commit 9945b4f8315dc8c82aaeb003c07458a6231ee96c
Author: Apurva Mehta <apu...@confluent.io>
Date: 2017-10-26T01:06:04Z
Lock the transaction metadata before fencing the epoch. Make the case
matching exhaustive
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