GitHub user dguy opened a pull request: https://github.com/apache/kafka/pull/3943
MINOR: always set Serde.Long on count operations You can merge this pull request into a Git repository by running: $ git pull https://github.com/dguy/kafka count-materialized Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/3943.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 #3943 ---- commit f2471f1caaccc1262c830fdc6f10c5b202bd7f2e Author: Damian Guy <damian....@gmail.com> Date: 2017-09-22T06:32:08Z always set Serde.Long on count operations ---- ---