GitHub user huxihx opened a pull request: https://github.com/apache/kafka/pull/4326
KAFKA-6362: maybeAutoCommitOffsetsAsync should try to discover coordinator Currently, `maybeAutoCommitOffsetsAsync` may not retry to find out coordinator even after the coordinator goes back to service. As a result, all asynchronous offset commits will fail. This patch refines `maybeAutoCommitOffsetsAsync` to have it periodically retry the coordinator discovering. *More detailed description of your change, if necessary. The PR title and PR message become the squashed commit message, so use a separate comment to ping reviewers.* *Summary of testing strategy (including rationale) for the feature or bug fix. Unit and/or integration tests are expected for any behaviour change and system tests should be considered for larger changes.* ### 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/huxihx/kafka KAFKA-6362 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/4326.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 #4326 ---- commit a2e2da2b2215da2053ffc9e6dace4a36e8777e12 Author: huxihx <huxi...@hotmail.com> Date: 2017-12-15T02:39:31Z KAFKA-6362: ConsumerCoordinator.maybeAutoCommitOffsetsAsync should try to discover coordinator. Currently, `maybeAutoCommitOffsetsAsync` may not retry to find out coordinator even after the coordinator goes back to service. As a result, all asynchronous offset commits will fail. This patch refines `maybeAutoCommitOffsetsAsync` to have it periodically retry the coordinator discovering. ---- ---