[ 
https://issues.apache.org/jira/browse/KAFKA-18584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18101160#comment-18101160
 ] 

Yunseop Eom commented on KAFKA-18584:
-------------------------------------

PR opened: https://github.com/apache/kafka/pull/23043 for KAFKA-18584. Added 
combined KRaft coverage to ClusterTestExtensionsTest and fixed SharedServer 
lifecycle so controller restart does not shut down the Raft manager still owned 
by the broker. Targeted test passed for isolated and combined modes in 3 fresh 
reruns; full ClusterTestExtensionsTest and formatting/checkstyle checks passed. 
Status: PR open and awaiting review.

> Fix controller restart test under KRaft_Combined mode in 
> ClusterTestExtensionsTest
> ----------------------------------------------------------------------------------
>
>                 Key: KAFKA-18584
>                 URL: https://issues.apache.org/jira/browse/KAFKA-18584
>             Project: Kafka
>          Issue Type: Test
>            Reporter: Chu Cheng Li
>            Priority: Major
>
> ./gradlew test-common:test-common-api:test --tests 
> ClusterTestExtensionsTest.testControllerRestart
>  
> {code:java}
> [2025-01-18 17:54:08,702] ERROR Encountered fatalFaultHandler fault: caught 
> exception (org.apache.kafka.common.test.MockFaultHandler:47)
> java.lang.NullPointerException: Cannot invoke 
> "kafka.raft.KafkaRaftManager.client()" because the return value of 
> "kafka.server.ControllerServer.raftManager()" is null
>     at kafka.server.ControllerServer.startup(ControllerServer.scala:229) 
> ~[kafka_2.13-4.1.0-SNAPSHOT.jar:?]
>     at 
> org.apache.kafka.common.test.api.ClusterTestExtensionsTest.testControllerRestart(ClusterTestExtensionsTest.java:382)
>  ~[test/:?]
>     at 
> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
>  ~[?:?]
>     at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
>     at 
> org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:728)
>  ~[junit-platform-commons-1.10.2.jar:1.10.2]
>     at 
> org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.extension.SameThreadTimeoutInvocation.proceed(SameThreadTimeoutInvocation.java:45)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:156)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:147)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestTemplateMethod(TimeoutExtension.java:94)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.execution.InterceptingExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(InterceptingExecutableInvoker.java:103)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.lambda$invoke$0(InterceptingExecutableInvoker.java:93)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:92)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.execution.InterceptingExecutableInvoker.invoke(InterceptingExecutableInvoker.java:86)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$7(TestMethodTestDescriptor.java:218)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:214)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:139)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:69)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) 
> ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask$DefaultDynamicTestExecutor.execute(NodeTestTask.java:226)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask$DefaultDynamicTestExecutor.execute(NodeTestTask.java:204)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.jupiter.engine.descriptor.TestTemplateTestDescriptor.execute(TestTemplateTestDescriptor.java:142)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.descriptor.TestTemplateTestDescriptor.lambda$execute$2(TestTemplateTestDescriptor.java:110)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
>  ~[?:?]
>     at 
> java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:215)
>  ~[?:?]
>     at 
> java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:197)
>  ~[?:?]
>     at 
> java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:215)
>  ~[?:?]
>     at 
> java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1709)
>  ~[?:?]
>     at 
> java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:807)
>  ~[?:?]
>     at 
> java.base/java.util.stream.ReferencePipeline$7$1FlatMap.accept(ReferencePipeline.java:294)
>  ~[?:?]
>     at 
> java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1709)
>  ~[?:?]
>     at 
> java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:570)
>  ~[?:?]
>     at 
> java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:560)
>  ~[?:?]
>     at 
> java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
>  ~[?:?]
>     at 
> java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
>  ~[?:?]
>     at 
> java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:265)
>  ~[?:?]
>     at 
> java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:636)
>  ~[?:?]
>     at 
> org.junit.jupiter.engine.descriptor.TestTemplateTestDescriptor.execute(TestTemplateTestDescriptor.java:110)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.jupiter.engine.descriptor.TestTemplateTestDescriptor.execute(TestTemplateTestDescriptor.java:44)
>  ~[junit-jupiter-engine-5.10.2.jar:5.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:151)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) 
> ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at java.base/java.util.ArrayList.forEach(ArrayList.java:1597) ~[?:?]
>     at 
> org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) 
> ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at java.base/java.util.ArrayList.forEach(ArrayList.java:1597) ~[?:?]
>     at 
> org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) 
> ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54)
>  ~[junit-platform-engine-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:198)
>  ~[junit-platform-launcher-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:169)
>  ~[junit-platform-launcher-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:93)
>  ~[junit-platform-launcher-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:58)
>  ~[junit-platform-launcher-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:141)
>  [junit-platform-launcher-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:57)
>  [junit-platform-launcher-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:103)
>  [junit-platform-launcher-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:85)
>  [junit-platform-launcher-1.10.2.jar:1.10.2]
>     at 
> org.junit.platform.launcher.core.DelegatingLauncher.execute(DelegatingLauncher.java:47)
>  [junit-platform-launcher-1.10.2.jar:1.10.2]
>     at 
> org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:124)
>  [gradle-testing-junit-platform-8.10.2.jar:8.10.2]
>     at 
> org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:99)
>  [gradle-testing-junit-platform-8.10.2.jar:8.10.2]
>     at 
> org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:94)
>  [gradle-testing-junit-platform-8.10.2.jar:8.10.2]
>     at 
> org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:63)
>  [gradle-testing-base-infrastructure-8.10.2.jar:8.10.2]
>     at 
> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
>  ~[?:?]
>     at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[?:?]
>     at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
>  [gradle-messaging-8.10.2.jar:8.10.2]
>     at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
>  [gradle-messaging-8.10.2.jar:8.10.2]
>     at 
> org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
>  [gradle-messaging-8.10.2.jar:8.10.2]
>     at 
> org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:92)
>  [gradle-messaging-8.10.2.jar:8.10.2]
>     at jdk.proxy1/jdk.proxy1.$Proxy4.stop(Unknown Source) [?:?]
>     at 
> org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:200)
>  [gradle-testing-base-infrastructure-8.10.2.jar:8.10.2]
>     at 
> org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:132)
>  [gradle-testing-base-infrastructure-8.10.2.jar:8.10.2]
>     at 
> org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:103)
>  [gradle-testing-base-infrastructure-8.10.2.jar:8.10.2]
>     at 
> org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:63)
>  [gradle-testing-base-infrastructure-8.10.2.jar:8.10.2]
>     at 
> org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)
>  [gradle-worker-main-8.10.2.jar:8.10.2]
>     at 
> org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:121)
>  [gradle-worker-main-8.10.2.jar:8.10.2]
>     at 
> org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:71)
>  [gradle-worker-main-8.10.2.jar:8.10.2]
>     at 
> worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
>  [gradle-worker.jar:?]
>     at 
> worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)
>  [gradle-worker.jar:?]
> [2025-01-18 17:54:08,715] INFO [ControllerServer id=0] shutting down 
> (kafka.server.ControllerServer:66)
> [2025-01-18 17:54:08,715] INFO [SocketServer listenerType=CONTROLLER, 
> nodeId=0] Stopping socket server request processors 
> (kafka.network.SocketServer:66)
> [2025-01-18 17:54:08,722] INFO [SocketServer listenerType=CONTROLLER, 
> nodeId=0] Stopped socket server request processors 
> (kafka.network.SocketServer:66)
> [2025-01-18 17:54:08,723] INFO [SocketServer listenerType=CONTROLLER, 
> nodeId=0] Shutting down socket server (kafka.network.SocketServer:66)
> [2025-01-18 17:54:08,729] INFO [SocketServer listenerType=CONTROLLER, 
> nodeId=0] Shutdown completed (kafka.network.SocketServer:66)
> [2025-01-18 17:54:08,729] INFO [data-plane Kafka Request Handler on Broker 
> 0], shutting down (kafka.server.KafkaRequestHandlerPool:66)
> [2025-01-18 17:54:08,729] INFO [data-plane Kafka Request Handler on Broker 
> 0], shut down completely (kafka.server.KafkaRequestHandlerPool:66)
> [2025-01-18 17:54:08,729] INFO [ExpirationReaper-0-null]: Shutdown completed 
> (org.apache.kafka.server.purgatory.DelayedOperationPurgatory$ExpiredOperationReaper:110)
> [2025-01-18 17:54:08,729] INFO [controller-0-ThrottledChannelReaper-Fetch]: 
> Shutdown completed 
> (kafka.server.ClientQuotaManager$ThrottledChannelReaper:110)
> [2025-01-18 17:54:08,729] INFO [controller-0-ThrottledChannelReaper-Produce]: 
> Shutdown completed 
> (kafka.server.ClientQuotaManager$ThrottledChannelReaper:110)
> [2025-01-18 17:54:08,729] INFO [controller-0-ThrottledChannelReaper-Request]: 
> Shutdown completed 
> (kafka.server.ClientQuotaManager$ThrottledChannelReaper:110)
> [2025-01-18 17:54:08,729] INFO 
> [controller-0-ThrottledChannelReaper-ControllerMutation]: Shutdown completed 
> (kafka.server.ClientQuotaManager$ThrottledChannelReaper:110)
> [2025-01-18 17:54:08,729] INFO [QuorumController id=0] closed event queue. 
> (org.apache.kafka.queue.KafkaEventQueue:519)
> [2025-01-18 17:54:08,730] INFO Metrics scheduler closed 
> (org.apache.kafka.common.metrics.Metrics:684)
> [2025-01-18 17:54:08,730] INFO Closing reporter 
> org.apache.kafka.common.metrics.JmxReporter 
> (org.apache.kafka.common.metrics.Metrics:688)
> [2025-01-18 17:54:08,730] INFO Metrics reporters closed 
> (org.apache.kafka.common.metrics.Metrics:694)
> [2025-01-18 17:54:08,730] INFO App info kafka.admin.client for adminclient-2 
> unregistered (org.apache.kafka.common.utils.AppInfoParser:89)
> [2025-01-18 17:54:08,730] INFO Metrics scheduler closed 
> (org.apache.kafka.common.metrics.Metrics:684)
> [2025-01-18 17:54:08,730] INFO Closing reporter 
> org.apache.kafka.common.metrics.JmxReporter 
> (org.apache.kafka.common.metrics.Metrics:688)
> [2025-01-18 17:54:08,730] INFO Metrics reporters closed 
> (org.apache.kafka.common.metrics.Metrics:694)
> [2025-01-18 17:54:08,749] INFO [BrokerServer id=0] Transition from STARTED to 
> SHUTTING_DOWN (kafka.server.BrokerServer:66)
> [2025-01-18 17:54:08,750] INFO [BrokerServer id=0] shutting down 
> (kafka.server.BrokerServer:66)
> [2025-01-18 17:54:08,751] INFO [BrokerLifecycleManager id=0] Beginning 
> controlled shutdown. (kafka.server.BrokerLifecycleManager:66)
> [2025-01-18 17:54:08,754] INFO [NodeToControllerChannelManager id=0 
> name=heartbeat] Node 0 disconnected. 
> (org.apache.kafka.clients.NetworkClient:1072)
> [2025-01-18 17:54:08,754] WARN [NodeToControllerChannelManager id=0 
> name=heartbeat] Connection to node 0 (localhost/127.0.0.1:52363) could not be 
> established. Node may not be available. 
> (org.apache.kafka.clients.NetworkClient:899)
> [2025-01-18 17:54:08,754] INFO 
> [broker-0-to-controller-heartbeat-channel-manager]: Recorded new KRaft 
> controller, from now on will use node localhost:52363 (id: 0 rack: null 
> isFenced: false) (kafka.server.NodeToControllerRequestThread:66)
> [2025-01-18 17:54:08,806] INFO 
> [broker-0-to-controller-heartbeat-channel-manager]: Recorded new KRaft 
> controller, from now on will use node localhost:52363 (id: 0 rack: null 
> isFenced: false) (kafka.server.NodeToControllerRequestThread:66) {code}



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