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streamnative / kop

Kafka-on-Pulsar - A protocol handler that brings native Kafka protocol to Apache Pulsar
https://streamnative.io/docs/kop
Apache License 2.0
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Flaky-test: io.streamnative.pulsar.handlers.kop.KopEventManagerTest.testOneTopicGroupState #1614

Open Demogorgon314 opened 1 year ago

Demogorgon314 commented 1 year ago

io.streamnative.pulsar.handlers.kop.KopEventManagerTest is flaky. The testOneTopicGroupState test method fails sporadically.

example failure

Error:  testOneTopicGroupState(io.streamnative.pulsar.handlers.kop.KopEventManagerTest)  Time elapsed: 2.117 s  <<< FAILURE!
java.lang.AssertionError: expected [1] but found [0]
    at org.testng.Assert.fail(Assert.java:96)
    at org.testng.Assert.failNotEquals(Assert.java:776)
    at org.testng.Assert.assertEqualsImpl(Assert.java:137)
    at org.testng.Assert.assertEquals(Assert.java:118)
    at org.testng.Assert.assertEquals(Assert.java:652)
    at org.testng.Assert.assertEquals(Assert.java:662)
    at io.streamnative.pulsar.handlers.kop.KopEventManagerTest.testOneTopicGroupState(KopEventManagerTest.java:95)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:124)
    at org.testng.internal.InvokeMethodRunnable.runOne(InvokeMethodRunnable.java:54)
    at org.testng.internal.InvokeMethodRunnable.run(InvokeMethodRunnable.java:44)
    at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1[136](https://github.com/streamnative/kop/actions/runs/3645980172/jobs/6156618062#step:13:137))
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    at java.base/java.lang.Thread.run(Thread.java:833)
Demogorgon314 commented 1 year ago

Another failure

Error:  Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 29.932 s <<< FAILURE! - in io.streamnative.pulsar.handlers.kop.KopEventManagerTest
Error:  testOneTopicGroupState(io.streamnative.pulsar.handlers.kop.KopEventManagerTest)  Time elapsed: 2.001 s  <<< FAILURE!
java.lang.AssertionError: expected [1] but found [0]
    at org.testng.Assert.fail(Assert.java:96)
    at org.testng.Assert.failNotEquals(Assert.java:776)
    at org.testng.Assert.assertEqualsImpl(Assert.java:137)
    at org.testng.Assert.assertEquals(Assert.java:118)
    at org.testng.Assert.assertEquals(Assert.java:652)
    at org.testng.Assert.assertEquals(Assert.java:662)
    at io.streamnative.pulsar.handlers.kop.KopEventManagerTest.testOneTopicGroupState(KopEventManagerTest.java:95)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:124)
    at org.testng.internal.InvokeMethodRunnable.runOne(InvokeMethodRunnable.java:54)
    at org.testng.internal.InvokeMethodRunnable.run(InvokeMethodRunnable.java:44)
    at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    at java.base/java.lang.Thread.run(Thread.java:833)