jolshan commented on a change in pull request #10584:
URL: https://github.com/apache/kafka/pull/10584#discussion_r651044241
##########
File path: core/src/main/scala/kafka/server/KafkaApis.scala
##########
@@ -1142,6 +1142,19 @@ class KafkaApis(val requestChannel: RequestChannel,
val metadataRequest = request.body[MetadataRequest]
val requestVersion = request.header.apiVersion
+ // Topic IDs are not supported for versions 10 and 11. Topic names can not
be null in these versions.
+ if (!metadataRequest.isAllTopics) {
+ metadataRequest.data.topics.forEach{ topic =>
+ // If null, set to the empty string, since the response does not allow
null.
+ if (topic.name == null) {
+ topic.setName("")
Review comment:
We can do that. It should only apply to this specific case, but it will
be cleaner there.
##########
File path:
clients/src/main/java/org/apache/kafka/common/requests/MetadataRequest.java
##########
@@ -92,6 +93,13 @@ public MetadataRequest build(short version) {
if (!data.allowAutoTopicCreation() && version < 4)
throw new UnsupportedVersionException("MetadataRequest
versions older than 4 don't support the " +
"allowAutoTopicCreation field");
+ if (data.topics() != null) {
+ data.topics().forEach(topic -> {
+ if (topic.name() == null || topic.topicId() !=
Uuid.ZERO_UUID)
+ throw new UnsupportedVersionException("MetadataRequest
version " + version +
Review comment:
sure
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