GitHub user ijuma opened a pull request: https://github.com/apache/kafka/pull/1029
KAFKA-3047: Explicit offset assignment in Log.append can corrupt the log This fix was suggested by Maciek Makowski, who also reported the problem. You can merge this pull request into a Git repository by running: $ git pull https://github.com/ijuma/kafka KAFKA-3047-log-append-can-corrupt-the-log Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/1029.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 #1029 ---- commit 58d098c589697259482207631f5cfe1d8271a186 Author: Ismael Juma <ism...@juma.me.uk> Date: 2016-03-08T08:10:17Z Only set `firstOffset` again if `assignOffsets` is true ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---