hachikuji commented on a change in pull request #9958:
URL: https://github.com/apache/kafka/pull/9958#discussion_r580635693
##########
File path: core/src/main/scala/kafka/coordinator/group/GroupCoordinator.scala
##########
@@ -725,50 +890,67 @@ class GroupCoordinator(val brokerId: Int,
offsetMetadata: immutable.Map[TopicPartition,
OffsetAndMetadata],
responseCallback:
immutable.Map[TopicPartition, Errors] => Unit): Unit = {
group.inLock {
- if (group.is(Dead)) {
- // if the group is marked as dead, it means some other thread has just
removed the group
- // from the coordinator metadata; it is likely that the group has
migrated to some other
- // coordinator OR the group is in a transient unstable phase. Let the
member retry
- // finding the correct coordinator and rejoin.
- responseCallback(offsetMetadata.map { case (k, _) => k ->
Errors.COORDINATOR_NOT_AVAILABLE })
- } else if (group.isStaticMemberFenced(memberId, groupInstanceId,
"txn-commit-offsets")) {
- responseCallback(offsetMetadata.map { case (k, _) => k ->
Errors.FENCED_INSTANCE_ID })
- } else if (memberId != JoinGroupRequest.UNKNOWN_MEMBER_ID &&
!group.has(memberId)) {
- // Enforce member id when it is set.
- responseCallback(offsetMetadata.map { case (k, _) => k ->
Errors.UNKNOWN_MEMBER_ID })
- } else if (generationId >= 0 && generationId != group.generationId) {
- // Enforce generation check when it is set.
- responseCallback(offsetMetadata.map { case (k, _) => k ->
Errors.ILLEGAL_GENERATION })
+ val validationErrorOpt = validateTxnOffsetCommit(
+ group,
+ generationId,
+ memberId,
+ groupInstanceId
+ )
+
+ if (validationErrorOpt.isDefined) {
+ responseCallback(offsetMetadata.map { case (k, _) => k ->
validationErrorOpt.get })
Review comment:
Yeah, I agree. I think I was trying to avoid a big indent. I think I
found a reasonable way to do it.
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