abbccdda commented on a change in pull request #9579:
URL: https://github.com/apache/kafka/pull/9579#discussion_r569912931
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File path: core/src/main/scala/kafka/server/KafkaApis.scala
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@@ -1375,55 +1325,137 @@ class KafkaApis(val requestChannel: RequestChannel,
!authHelper.authorize(request.context, DESCRIBE, TRANSACTIONAL_ID,
findCoordinatorRequest.data.key))
requestHelper.sendErrorResponseMaybeThrottle(request,
Errors.TRANSACTIONAL_ID_AUTHORIZATION_FAILED.exception)
else {
- // get metadata (and create the topic if necessary)
- val (partition, topicMetadata) =
CoordinatorType.forId(findCoordinatorRequest.data.keyType) match {
+ val (partition, internalTopicName) =
CoordinatorType.forId(findCoordinatorRequest.data.keyType) match {
case CoordinatorType.GROUP =>
- val partition =
groupCoordinator.partitionFor(findCoordinatorRequest.data.key)
- val metadata = getOrCreateInternalTopic(GROUP_METADATA_TOPIC_NAME,
request.context.listenerName)
- (partition, metadata)
+ (groupCoordinator.partitionFor(findCoordinatorRequest.data.key),
GROUP_METADATA_TOPIC_NAME)
case CoordinatorType.TRANSACTION =>
- val partition =
txnCoordinator.partitionFor(findCoordinatorRequest.data.key)
- val metadata =
getOrCreateInternalTopic(TRANSACTION_STATE_TOPIC_NAME,
request.context.listenerName)
- (partition, metadata)
+ (txnCoordinator.partitionFor(findCoordinatorRequest.data.key),
TRANSACTION_STATE_TOPIC_NAME)
+ }
- case _ =>
- throw new InvalidRequestException("Unknown coordinator type in
FindCoordinator request")
+ val topicMetadata =
metadataCache.getTopicMetadata(Set(internalTopicName),
request.context.listenerName)
+ def createFindCoordinatorResponse(error: Errors,
+ node: Node,
+ requestThrottleMs: Int,
+ errorMessage: Option[String] = None):
FindCoordinatorResponse = {
+ new FindCoordinatorResponse(
+ new FindCoordinatorResponseData()
+ .setErrorCode(error.code)
+ .setErrorMessage(errorMessage.getOrElse(error.message))
Review comment:
Makes sense
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