jolshan commented on code in PR #17698:
URL: https://github.com/apache/kafka/pull/17698#discussion_r1859417510
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core/src/main/scala/kafka/coordinator/transaction/TransactionCoordinator.scala:
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@@ -564,41 +627,44 @@ class TransactionCoordinator(txnConfig: TransactionConfig,
else
PrepareAbort
- // Maybe allocate new producer ID if we are bumping epoch and
epoch is exhausted
- val nextProducerIdOrErrors =
- if (clientTransactionVersion.supportsEpochBump() &&
!txnMetadata.pendingState.contains(PrepareEpochFence) &&
txnMetadata.isProducerEpochExhausted) {
- try {
- Right(producerIdManager.generateProducerId())
- } catch {
- case e: Exception => Left(Errors.forException(e))
- }
+ generateTxnTransitMetadataForTxnCompletion(nextState, false)
+ case CompleteCommit =>
+ if (currentTxnMetadataIsAtLeastTransactionsV2) {
+ if (txnMarkerResult == TransactionResult.COMMIT) {
+ if (isRetry)
+ Left(Errors.NONE)
+ else
+ logInvalidStateTransitionAndReturnError(transactionalId,
txnMetadata.state, txnMarkerResult)
} else {
- Right(RecordBatch.NO_PRODUCER_ID)
+ if (isRetry)
+ logInvalidStateTransitionAndReturnError(transactionalId,
txnMetadata.state, txnMarkerResult)
+ else
+ generateTxnTransitMetadataForTxnCompletion(PrepareAbort,
true)
Review Comment:
for this case, shouldn't we be checking
clientTransactionVersion.supportsEpochBump()? For all the empty/complete
transitions, it doesn't matter if the current metadata was v2 but if the new
transaction is using v2 right?
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