akhileshchg commented on code in PR #12961:
URL: https://github.com/apache/kafka/pull/12961#discussion_r1050074366
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core/src/main/scala/kafka/server/KafkaApis.scala:
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@@ -1318,14 +1317,20 @@ class KafkaApis(val requestChannel: RequestChannel,
trace("Sending topic metadata %s and brokers %s for correlation id %d to
client %s".format(completeTopicMetadata.mkString(","),
brokers.mkString(","), request.header.correlationId,
request.header.clientId))
+ val controllerId = {
+ metadataCache.getControllerId.flatMap {
+ case ZkCachedControllerId(id) => Some(id)
+ case KRaftCachedControllerId(_) => metadataCache.getRandomAliveBrokerId
Review Comment:
I did something like this before. But got a different comment then, saying
we should explicitly handle that in KafkaApis.
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