Flaky-test: MetadataCacheTest.crossStoreUpdates

MetadataCacheTest is flaky. The crossStoreUpdates test method fails sporadically.

example failure

Error:  Tests run: 26, Failures: 1, Errors: 0, Skipped: 23, Time elapsed: 1.557 s <<< FAILURE! - in org.apache.pulsar.metadata.MetadataCacheTest
Error:  crossStoreUpdates(org.apache.pulsar.metadata.MetadataCacheTest)  Time elapsed: 0.346 s  <<< FAILURE!
java.util.concurrent.CompletionException: org.apache.pulsar.metadata.api.MetadataStoreException$AlreadyExistsException: org.apache.pulsar.metadata.api.MetadataStoreException$BadVersionException: org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion for /test-key1
	at java.base/java.util.concurrent.CompletableFuture.reportJoin(CompletableFuture.java:412)
	at java.base/java.util.concurrent.CompletableFuture.join(CompletableFuture.java:2044)
	at org.apache.pulsar.metadata.MetadataCacheTest.multiStoreAddDelete(MetadataCacheTest.java:142)
	at org.apache.pulsar.metadata.MetadataCacheTest.crossStoreUpdates(MetadataCacheTest.java:124)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:132)
	at org.testng.internal.InvokeMethodRunnable.runOne(InvokeMethodRunnable.java:45)
	at org.testng.internal.InvokeMethodRunnable.call(InvokeMethodRunnable.java:73)
	at org.testng.internal.InvokeMethodRunnable.call(InvokeMethodRunnable.java:11)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: org.apache.pulsar.metadata.api.MetadataStoreException$AlreadyExistsException: org.apache.pulsar.metadata.api.MetadataStoreException$BadVersionException: org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion for /test-key1
	at org.apache.pulsar.metadata.cache.impl.MetadataCacheImpl.lambda$create$12(MetadataCacheImpl.java:228)
	at java.base/java.util.concurrent.CompletableFuture.uniExceptionally(CompletableFuture.java:986)
	at java.base/java.util.concurrent.CompletableFuture$UniExceptionally.tryFire(CompletableFuture.java:970)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
	at java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
	at org.apache.pulsar.metadata.impl.ZKMetadataStore.lambda$storePut$15(ZKMetadataStore.java:226)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	... 1 more
Caused by: org.apache.pulsar.metadata.api.MetadataStoreException$BadVersionException: org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion for /test-key1
	at org.apache.pulsar.metadata.impl.ZKMetadataStore.getException(ZKMetadataStore.java:308)
	... 5 more
Caused by: org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion for /test-key1
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:122)
	at org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
	at org.apache.pulsar.metadata.impl.ZKMetadataStore.getException(ZKMetadataStore.java:304)
	... 5 more

[sursingh]

@lhotari : I will take a look.

[codelipenghui]

The issue had no activity for 30 days, mark with Stale label.