rreddy-22 commented on code in PR #19751: URL: https://github.com/apache/kafka/pull/19751#discussion_r2096560820
########## core/src/main/scala/kafka/coordinator/transaction/TransactionCoordinator.scala: ########## @@ -135,10 +136,10 @@ class TransactionCoordinator(txnConfig: TransactionConfig, // 2PC functionality is disabled, clients that attempt to use this functionality // would receive an authorization failed error. responseCallback(initTransactionError(Errors.TRANSACTIONAL_ID_AUTHORIZATION_FAILED)) - } else if (keepPreparedTxn) { - // if the request is to keep the prepared transaction, then return an - // unsupported version error since the feature hasn't been implemented yet. - responseCallback(initTransactionError(Errors.UNSUPPORTED_VERSION)) + } else if (keepPreparedTxn && expectedProducerIdAndEpoch.nonEmpty) { + // keepPreparedTxn can only be specified in the initial call of InitProducerId, so + // no exposed producerId / epoch should be set Review Comment: nit: did we mean to say expected or exposed? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org