jolshan commented on code in PR #17822:
URL: https://github.com/apache/kafka/pull/17822#discussion_r1843036971
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clients/src/main/java/org/apache/kafka/clients/producer/internals/TransactionManager.java:
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@@ -339,24 +338,21 @@ private TransactionalRequestResult
beginCompletingTransaction(TransactionResult
if (!newPartitionsInTransaction.isEmpty())
enqueueRequest(addPartitionsToTransactionHandler());
- // If the error is an INVALID_PRODUCER_ID_MAPPING error, the server
will not accept an EndTxnRequest, so skip
- // directly to InitProducerId. Otherwise, we must first abort the
transaction, because the producer will be
- // fenced if we directly call InitProducerId.
- if (!(lastError instanceof InvalidPidMappingException)) {
- EndTxnRequest.Builder builder = new EndTxnRequest.Builder(
- new EndTxnRequestData()
- .setTransactionalId(transactionalId)
- .setProducerId(producerIdAndEpoch.producerId)
- .setProducerEpoch(producerIdAndEpoch.epoch)
- .setCommitted(transactionResult.id),
- isTransactionV2Enabled
- );
+ // We must first abort the transaction, because the producer will be
Review Comment:
I had this thought too. I think we would get the concurrent transactions
error first as we bump the epoch. Then we would need to call init producer ID
again. So I think we do need to make the two calls, but the exact wording here
isn't quite right.
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