artemlivshits commented on code in PR #13579:
URL: https://github.com/apache/kafka/pull/13579#discussion_r1170670464


##########
core/src/main/scala/kafka/coordinator/transaction/TransactionCoordinator.scala:
##########
@@ -332,24 +331,45 @@ class TransactionCoordinator(txnConfig: TransactionConfig,
       debug(s"Returning ${Errors.INVALID_REQUEST} error code to client for 
$transactionalId's AddPartitions request for verification")
       
responseCallback(AddPartitionsToTxnResponse.resultForTransaction(transactionalId,
 partitions.map(_ -> Errors.INVALID_REQUEST).toMap.asJava))
     } else {
-      val result: ApiResult[(Int, TransactionMetadata)] = 
getTransactionMetadata(transactionalId, producerId, producerEpoch, partitions)
-      
+      val result: ApiResult[Map[TopicPartition, Errors]] =
+        txnManager.getTransactionState(transactionalId).flatMap {
+          case None => Left(Errors.INVALID_PRODUCER_ID_MAPPING)
+
+          case Some(epochAndMetadata) =>
+            val txnMetadata = epochAndMetadata.transactionMetadata
+
+            // generate the new transaction metadata with added partitions
+            txnMetadata.inLock {
+              if (txnMetadata.producerId != producerId) {
+                Left(Errors.INVALID_PRODUCER_ID_MAPPING)
+              } else if (txnMetadata.producerEpoch != producerEpoch) {
+                Left(Errors.PRODUCER_FENCED)
+              } else if (txnMetadata.pendingTransitionInProgress && 
!(txnMetadata.pendingState == Some(Ongoing) && txnMetadata.state == Ongoing)) {
+                // return a retriable exception to let the client backoff and 
retry
+                Left(Errors.CONCURRENT_TRANSACTIONS)

Review Comment:
   Do we need this condition for verification case?  No matter what the pending 
state is, if the the state contains the partition, we're good, otherwise, we'd 
fail during verification.



-- 
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

Reply via email to