abbccdda commented on a change in pull request #9579:
URL: https://github.com/apache/kafka/pull/9579#discussion_r570480399
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File path: core/src/main/scala/kafka/server/KafkaApis.scala
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@@ -1234,19 +1171,28 @@ class KafkaApis(val requestChannel: RequestChannel,
// In versions 5 and below, we returned LEADER_NOT_AVAILABLE if a matching
listener was not found on the leader.
// From version 6 onwards, we return LISTENER_NOT_FOUND to enable
diagnosis of configuration errors.
val errorUnavailableListeners = requestVersion >= 6
- val topicMetadata =
+ val (topicMetadata, nonExistTopicMetadata) =
if (authorizedTopics.isEmpty)
- Seq.empty[MetadataResponseTopic]
- else {
- getTopicMetadata(
- metadataRequest.allowAutoTopicCreation,
- metadataRequest.isAllTopics,
- authorizedTopics,
- request.context.listenerName,
- errorUnavailableEndpoints,
- errorUnavailableListeners
- )
+ (Seq.empty[MetadataResponseTopic], Seq.empty[MetadataResponseTopic])
+ else
+ getTopicMetadata(metadataRequest.isAllTopics, authorizedTopics,
+ request.context.listenerName, errorUnavailableEndpoints,
errorUnavailableListeners)
+
+ nonExistTopicMetadata.foreach(metadata =>
+ try {
+ // Validate topic name and propagate error if failed
+ Topic.validate(metadata.name())
Review comment:
Actually after looking into the zk admin manager logic, I don't think
it's necessary to do the topic validation here.
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