cmccabe commented on a change in pull request #11503: URL: https://github.com/apache/kafka/pull/11503#discussion_r760628258
########## File path: core/src/main/scala/kafka/server/KafkaConfig.scala ########## @@ -1960,9 +1962,16 @@ class KafkaConfig private(doLog: Boolean, val props: java.util.Map[_, _], dynami } def listenerSecurityProtocolMap: Map[ListenerName, SecurityProtocol] = { - getMap(KafkaConfig.ListenerSecurityProtocolMapProp, getString(KafkaConfig.ListenerSecurityProtocolMapProp)) + val mapValue = getMap(KafkaConfig.ListenerSecurityProtocolMapProp, getString(KafkaConfig.ListenerSecurityProtocolMapProp)) .map { case (listenerName, protocolName) => - ListenerName.normalised(listenerName) -> getSecurityProtocol(protocolName, KafkaConfig.ListenerSecurityProtocolMapProp) + ListenerName.normalised(listenerName) -> getSecurityProtocol(protocolName, KafkaConfig.ListenerSecurityProtocolMapProp) + } + if (usesSelfManagedQuorum && !originals.containsKey(ListenerSecurityProtocolMapProp)) { + // Nothing was specified explicitly, so we are using the default value; + // therefore, since we are using KRaft, add the CONTROLLER:PLAINTEXT mapping + mapValue ++ Map(new ListenerName("CONTROLLER") -> SecurityProtocol.PLAINTEXT) Review comment: What if someone names their controller listener SSL ? I suppose you could say if there the controller listener name is not the name of a security protocol, and there is no map defined, then default the listener to PLAINTEXT. -- 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