CalvinConfluent commented on code in PR #17698: URL: https://github.com/apache/kafka/pull/17698#discussion_r1851126514
########## core/src/main/scala/kafka/coordinator/transaction/TransactionCoordinator.scala: ########## @@ -498,6 +498,45 @@ class TransactionCoordinator(txnConfig: TransactionConfig, requestLocal) } + /* + The state transition for Empty, CompleteAbort, CompleteCommit is complicated, so here is a table to make it clear. + Note: + PF = PRODUCER_FENCED + ITS = INVALID_TXN_STATE + NONE = No error and no epoch bump + EB = No error and epoch bump + + Retry => producerEpoch = txnState.ProducerEpoch - 1 Review Comment: Makes sense, I agree. The empty state does not come from an abort, then there is no such concept of "Retry" -- 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