zhaohaidao commented on a change in pull request #9311:
URL: https://github.com/apache/kafka/pull/9311#discussion_r505722145
##########
File path:
core/src/main/scala/kafka/coordinator/transaction/TransactionCoordinator.scala
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@@ -381,9 +388,14 @@ class TransactionCoordinator(brokerId: Int,
if (txnMetadata.producerId != producerId)
Left(Errors.INVALID_PRODUCER_ID_MAPPING)
// Strict equality is enforced on the client side requests, as
they shouldn't bump the producer epoch.
- else if ((isFromClient && producerEpoch !=
txnMetadata.producerEpoch) || producerEpoch < txnMetadata.producerEpoch)
- Left(Errors.PRODUCER_FENCED)
- else if (txnMetadata.pendingTransitionInProgress &&
txnMetadata.pendingState.get != PrepareEpochFence)
+ else if (isFromClient && producerEpoch !=
txnMetadata.producerEpoch || producerEpoch < txnMetadata.producerEpoch) {
Review comment:
done
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