jolshan commented on code in PR #18467:
URL: https://github.com/apache/kafka/pull/18467#discussion_r1911701912
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core/src/main/scala/kafka/coordinator/transaction/TransactionCoordinator.scala:
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@@ -814,10 +814,10 @@ class TransactionCoordinator(txnConfig: TransactionConfig,
if (txnMetadata.producerId != producerId && !retryOnOverflow)
Left(Errors.INVALID_PRODUCER_ID_MAPPING)
- else if (!isValidEpoch)
- Left(Errors.PRODUCER_FENCED)
else if (txnMetadata.pendingTransitionInProgress &&
txnMetadata.pendingState.get != PrepareEpochFence)
Left(Errors.CONCURRENT_TRANSACTIONS)
+ else if (!isValidEpoch)
+ Left(Errors.PRODUCER_FENCED)
Review Comment:
exactly! We will retry until the previous operation completes and then we
can handle the abort. 👍
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