vamossagar12 commented on code in PR #14432:
URL: https://github.com/apache/kafka/pull/14432#discussion_r1338285360
##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupMetadataManager.java:
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@@ -593,6 +609,9 @@ private void throwIfConsumerGroupHeartbeatRequestIsInvalid(
if (request.subscribedTopicNames() == null ||
request.subscribedTopicNames().isEmpty()) {
throw new InvalidRequestException("SubscribedTopicNames must
be set in first request.");
}
+ } else if (request.memberEpoch() == -2) {
+ throwIfEmptyString(request.memberId(), "MemberId can't be empty.");
+ throwIfNull(request.instanceId(), "InstanceId can't be empty for
Static Member.");
Review Comment:
This is not necessarily needed but added to avoid situations when a non
static member tries to send a member epoch -2.
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