lhotari commented on issue #21535:
URL: https://github.com/apache/pulsar/issues/21535#issuecomment-1863169722

           
   Flaky-test: 
org.apache.pulsar.metadata.LeaderElectionTest.revalidateLeaderWithinSameSession
   Number of failures: 1
   
   org.apache.pulsar.metadata.LeaderElectionTest is flaky. The 
revalidateLeaderWithinSameSession test method fails sporadically.
   
   ```
   java.lang.AssertionError: expected [Optional[test-2]] but found 
[Optional.empty]
        at org.testng.Assert.fail(Assert.java:110)
        at org.testng.Assert.failNotEquals(Assert.java:1577)
        at org.testng.Assert.assertEqualsImpl(Assert.java:149)
        at org.testng.Assert.assertEquals(Assert.java:131)
        at org.testng.Assert.assertEquals(Assert.java:643)
        at 
org.apache.pulsar.metadata.BaseMetadataStoreTest.lambda$assertEqualsAndRetry$6(BaseMetadataStoreTest.java:133)
        at 
org.apache.pulsar.metadata.BaseMetadataStoreTest.retryStrategically(BaseMetadataStoreTest.java:141)
        at 
org.apache.pulsar.metadata.BaseMetadataStoreTest.assertEqualsAndRetry(BaseMetadataStoreTest.java:129)
        at 
org.apache.pulsar.metadata.BaseMetadataStoreTest.assertEqualsAndRetry(BaseMetadataStoreTest.java:121)
        at 
org.apache.pulsar.metadata.LeaderElectionTest.revalidateLeaderWithinSameSession(LeaderElectionTest.java:212)
   ```
   
   Usage tip: To enable automatic navigation to failure message, open the 
following links with CTRL/CMD-click.  
   [example failure 
2023-12-12T12:28:11.5333133Z](https://github.com/apache/pulsar/actions/runs/7181211590/job/19555526194#step:11:255)
  
   
   
   <details>
   <summary>Full exception stacktrace</summary>
   <code><pre>
   java.lang.AssertionError: expected [Optional[test-2]] but found 
[Optional.empty]
        at org.testng.Assert.fail(Assert.java:110)
        at org.testng.Assert.failNotEquals(Assert.java:1577)
        at org.testng.Assert.assertEqualsImpl(Assert.java:149)
        at org.testng.Assert.assertEquals(Assert.java:131)
        at org.testng.Assert.assertEquals(Assert.java:643)
        at 
org.apache.pulsar.metadata.BaseMetadataStoreTest.lambda$assertEqualsAndRetry$6(BaseMetadataStoreTest.java:133)
        at 
org.apache.pulsar.metadata.BaseMetadataStoreTest.retryStrategically(BaseMetadataStoreTest.java:141)
        at 
org.apache.pulsar.metadata.BaseMetadataStoreTest.assertEqualsAndRetry(BaseMetadataStoreTest.java:129)
        at 
org.apache.pulsar.metadata.BaseMetadataStoreTest.assertEqualsAndRetry(BaseMetadataStoreTest.java:121)
        at 
org.apache.pulsar.metadata.LeaderElectionTest.revalidateLeaderWithinSameSession(LeaderElectionTest.java:212)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:568)
        at 
org.testng.internal.invokers.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:139)
        at 
org.testng.internal.invokers.InvokeMethodRunnable.runOne(InvokeMethodRunnable.java:47)
        at 
org.testng.internal.invokers.InvokeMethodRunnable.call(InvokeMethodRunnable.java:76)
        at 
org.testng.internal.invokers.InvokeMethodRunnable.call(InvokeMethodRunnable.java:11)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:840)
   
   </pre></code>
   </details>
   
   


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