cmccabe commented on a change in pull request #10688: URL: https://github.com/apache/kafka/pull/10688#discussion_r632695254
########## File path: metadata/src/main/java/org/apache/kafka/controller/QuorumController.java ########## @@ -1002,7 +1013,13 @@ private QuorumController(LogContext logContext, @Override public CompletableFuture<ElectLeadersResponseData> electLeaders(ElectLeadersRequestData request) { - return appendWriteEvent("electLeaders", request.timeoutMs(), + // If topicPartitions is null, we will try to trigger a new leader election on + // all partitions (!). But if it's empty, there is nothing to do. + if (request.topicPartitions() != null && request.topicPartitions().isEmpty()) { + return CompletableFuture.completedFuture(new ElectLeadersResponseData()); + } + return appendWriteEvent("electLeaders", + time.nanoseconds() + NANOSECONDS.convert(request.timeoutMs(), MILLISECONDS), Review comment: This is a slightly different fix, although sort of related. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org