gaoran10 opened a new issue #11871:
URL: https://github.com/apache/pulsar/issues/11871


   [LockManagerTest] is flaky. The [revalidateLockOnDifferentSession] test 
method fails sporadically.
   
   <details>
   <summary>Full exception stacktrace</summary>
   <code><pre>
   Error:  
revalidateLockOnDifferentSession(org.apache.pulsar.metadata.LockManagerTest)  
Time elapsed: 30.984 s  <<< FAILURE!
   org.apache.pulsar.metadata.api.MetadataStoreException: 
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = 
ConnectionLoss
        at 
org.apache.pulsar.metadata.impl.ZKMetadataStore.<init>(ZKMetadataStore.java:84)
        at 
org.apache.pulsar.metadata.api.MetadataStoreFactory.create(MetadataStoreFactory.java:48)
        at 
org.apache.pulsar.metadata.api.extended.MetadataStoreExtended.create(MetadataStoreExtended.java:42)
        at 
org.apache.pulsar.metadata.LockManagerTest.revalidateLockOnDifferentSession(LockManagerTest.java:190)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at 
org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:132)
        at 
org.testng.internal.InvokeMethodRunnable.runOne(InvokeMethodRunnable.java:45)
        at 
org.testng.internal.InvokeMethodRunnable.call(InvokeMethodRunnable.java:73)
        at 
org.testng.internal.InvokeMethodRunnable.call(InvokeMethodRunnable.java:11)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:829)
   Caused by: org.apache.zookeeper.KeeperException$ConnectionLossException: 
KeeperErrorCode = ConnectionLoss
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:102)
        at 
org.apache.bookkeeper.zookeeper.ZooKeeperWatcherBase.waitForConnection(ZooKeeperWatcherBase.java:159)
        at 
org.apache.pulsar.metadata.impl.PulsarZooKeeperClient$Builder.build(PulsarZooKeeperClient.java:262)
        at 
org.apache.pulsar.metadata.impl.ZKMetadataStore.<init>(ZKMetadataStore.java:80)
        ... 15 more
   </pre></code>
   </details>


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