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https://issues.apache.org/jira/browse/KAFKA-10158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17147967#comment-17147967
 ] 

Boyang Chen commented on KAFKA-10158:
-------------------------------------

failed again: [https://builds.apache.org/job/kafka-pr-jdk11-scala2.13/7155/]

 

org.junit.ComparisonFailure: --under-replicated-partitions shouldn't return 
anything: ' Topic: 
testDescribeUnderReplicatedPartitionsWhenReassignmentIsInProgress-onVcRPnNWU 
Partition: 0 Leader: 1 Replicas: 0,1 Isr: 1 ' expected:<[]> but was:<[ Topic: 
testDescribeUnderReplicatedPartitionsWhenReassignmentIsInProgress-onVcRPnNWU 
Partition: 0 Leader: 1 Replicas: 0,1 Isr: 1 ]> at 
org.junit.Assert.assertEquals(Assert.java:117) at 
kafka.admin.TopicCommandWithAdminClientTest.testDescribeUnderReplicatedPartitionsWhenReassignmentIsInProgress(TopicCommandWithAdminClientTest.scala:702)
 at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method) at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566) at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
 at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
 at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
 at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
 at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) 
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) 
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61) at 
org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at 
org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
 at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366) at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
 at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
 at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) at 
org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) at 
org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) at 
org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) at 
org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) 
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) 
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) at 
org.junit.runners.ParentRunner.run(ParentRunner.java:413) at 
org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:110)
 at 
org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58)
 at 
org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:38)
 at 
org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:62)
 at 
org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51)
 at jdk.internal.reflect.GeneratedMethodAccessor25.invoke(Unknown Source) at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566) at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
 at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
 at 
org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
 at 
org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
 at com.sun.proxy.$Proxy2.processTestClass(Unknown Source) at 
org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:119)
 at jdk.internal.reflect.GeneratedMethodAccessor24.invoke(Unknown Source) at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.base/java.lang.reflect.Method.invoke(Method.java:566) at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
 at 
org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
 at 
org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182)
 at 
org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164)
 at 
org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:414)
 at 
org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
 at 
org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
 at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
 at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 at 
org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
 at java.base/java.lang.Thread.run(Thread.java:834)

> Fix flaky 
> kafka.admin.TopicCommandWithAdminClientTest#testDescribeUnderReplicatedPartitionsWhenReassignmentIsInProgress
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-10158
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10158
>             Project: Kafka
>          Issue Type: Bug
>          Components: unit tests
>            Reporter: Chia-Ping Tsai
>            Assignee: Chia-Ping Tsai
>            Priority: Minor
>             Fix For: 2.7.0
>
>
> Altering the assignments is a async request so it is possible that the 
> reassignment is still in progress when we start to verify the 
> "under-replicated-partitions". In order to make it stable, it needs a wait 
> for the reassignment completion before verifying the topic command with 
> "under-replicated-partitions".



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