GitHub user apurvam opened a pull request:
https://github.com/apache/kafka/pull/3313
KAFKA-5438: Fix UnsupportedOperationException in writeTxnMarkersRequest
Before this patch, the `partitionErrors` was an immutable map. As a result
if a single producer had a marker for multiple partitions, and if there were
multiple response callbacks for a single append, we would get an
`UnsupportedOperationException` in the `writeTxnMarker` handler.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/apurvam/kafka
KAFKA-5438-fix-unsupportedoperationexception-in-writetxnmarker
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/3313.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 #3313
commit 0fc523aefb8a30f4fdebf166f904a780b40f6965
Author: Apurva Mehta
Date: 2017-06-13T04:47:59Z
Make partitionErrors a mutable map in KafkaApis.handleWriteTxnMarkerRequest
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