José Armando García Sancio created KAFKA-14358: --------------------------------------------------
Summary: Users should not be able to create a regular topic name __cluster_metadata Key: KAFKA-14358 URL: https://issues.apache.org/jira/browse/KAFKA-14358 Project: Kafka Issue Type: Bug Components: controller Reporter: José Armando García Sancio Assignee: José Armando García Sancio Fix For: 3.4.0, 3.3.2 The following test passes and it should not: {code:java} $ git diff diff --git a/core/src/test/scala/unit/kafka/server/CreateTopicsRequestTest.scala b/core/src/test/scala/unit/kafka/server/CreateTopicsRequestTest.scala index 57834234cc..14b1435d00 100644 --- a/core/src/test/scala/unit/kafka/server/CreateTopicsRequestTest.scala +++ b/core/src/test/scala/unit/kafka/server/CreateTopicsRequestTest.scala @@ -102,6 +102,12 @@ class CreateTopicsRequestTest extends AbstractCreateTopicsRequestTest { validateTopicExists("partial-none") } + @ParameterizedTest(name = TestInfoUtils.TestWithParameterizedQuorumName) + @ValueSource(strings = Array("zk", "kraft")) + def testClusterMetadataTopicFails(quorum: String): Unit = { + createTopic("__cluster_metadata", 1, 1) + } + @ParameterizedTest(name = TestInfoUtils.TestWithParameterizedQuorumName) @ValueSource(strings = Array("zk")) def testCreateTopicsWithVeryShortTimeouts(quorum: String): Unit = {{code} Result of this test: {code:java} $ ./gradlew core:test --tests CreateTopicsRequestTest.testClusterMetadataTopicFails> Configure project : Starting build with version 3.4.0-SNAPSHOT (commit id bc780c7c) using Gradle 7.5.1, Java 1.8 and Scala 2.13.8 Build properties: maxParallelForks=12, maxScalacThreads=8, maxTestRetries=0> Task :core:testGradle Test Run :core:test > Gradle Test Executor 8 > CreateTopicsRequestTest > testClusterMetadataTopicFails(String) > kafka.server.CreateTopicsRequestTest.testClusterMetadataTopicFails(String)[1] PASSEDGradle Test Run :core:test > Gradle Test Executor 8 > CreateTopicsRequestTest > testClusterMetadataTopicFails(String) > kafka.server.CreateTopicsRequestTest.testClusterMetadataTopicFails(String)[2] PASSEDBUILD SUCCESSFUL in 44s 44 actionable tasks: 3 executed, 41 up-to-date {code} I think that this test should fail in both KRaft and ZK. We want this to fail in ZK so that it can be migrated to KRaft. -- This message was sent by Atlassian Jira (v8.20.10#820010)