jeffkbkim commented on code in PR #14056: URL: https://github.com/apache/kafka/pull/14056#discussion_r1276874868
########## group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupCoordinatorService.java: ########## @@ -368,9 +369,29 @@ public CompletableFuture<HeartbeatResponseData> heartbeat( return FutureUtils.failedFuture(Errors.COORDINATOR_NOT_AVAILABLE.exception()); } - return FutureUtils.failedFuture(Errors.UNSUPPORTED_VERSION.exception( - "This API is not implemented yet." - )); + if (!isGroupIdNotEmpty(request.groupId())) { + return CompletableFuture.completedFuture(new HeartbeatResponseData() + .setErrorCode(Errors.INVALID_GROUP_ID.code())); + } + + return runtime.scheduleReadOperation("generic-group-heartbeat", + topicPartitionFor(request.groupId()), + (coordinator, __) -> coordinator.genericGroupHeartbeat(context, request) Review Comment: as discussed offline, we will keep it as is since it is how the current coordinator behaves. -- 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. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org