jolshan commented on code in PR #15657:
URL: https://github.com/apache/kafka/pull/15657#discussion_r1578346148
##########
clients/src/main/java/org/apache/kafka/clients/producer/internals/TransactionManager.java:
##########
@@ -979,6 +1013,13 @@ void handleCoordinatorReady() {
null;
this.coordinatorSupportsBumpingEpoch = initProducerIdVersion != null &&
initProducerIdVersion.maxVersion() >= 3;
+
+ // TODO(caliu) use feature version.
+ ApiVersion produceVersion = nodeApiVersions != null ?
+ nodeApiVersions.apiVersion(ApiKeys.PRODUCE) :
+ null;
+ this.coordinatorSupportsTransactionV2 = produceVersion != null &&
Review Comment:
Sorry I think I used some unclear wording. When I said "checking TV", I
meant using the nodeApiVersions to check the TV on requests -- this will be in
ApiVersionsResponseData.finalizedFeatures. We will also want to check
ApiVersionsResponseData.finalizedFeaturesEpoch when we update the feature
version. I was thinking the transaction manager could have some sort of central
mechanism that checks the api version and updates on the various requests. This
could be done in a helper.
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