GitHub user dguy opened a pull request: https://github.com/apache/kafka/pull/4317
KAFKA-6349: fix concurrent modification exception in AbstractStateManager during restore Fixes a `ConcurrentModificationException` in`AbstractStateManager` that is triggered when a `StateStore` is re-initialized and there are multiple stores in the context. ### Committer Checklist (excluded from commit message) - [ ] Verify design and implementation - [ ] Verify test coverage and CI build status - [ ] Verify documentation (including upgrade notes) You can merge this pull request into a Git repository by running: $ git pull https://github.com/dguy/kafka kafka-6349 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/4317.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 #4317 ---- commit f4a25c9ef0c1cba66b7ac15d7e5b14f28e565c24 Author: Damian Guy <damian....@gmail.com> Date: 2017-12-12T14:28:02Z fix concurrent modification exception in AbstractStateManager ---- ---