lhotari commented on issue #12883:
URL: https://github.com/apache/pulsar/issues/12883#issuecomment-976619244


   I collected some failures from Pulsar CI builds in the last 7 days. There's 
a lot of failures. Here are the unique stack traces and links to issues.
   
   Flaky-test: 
org.apache.pulsar.broker.service.persistent.PersistentStreamingDispatcherBlockConsumerTest.testBlockBrokerDispatching
   Number of failures: 78
   
   
org.apache.pulsar.broker.service.persistent.PersistentStreamingDispatcherBlockConsumerTest
 is flaky. The testBlockBrokerDispatching test method fails sporadically.
   
   ```
   org.testng.internal.thread.ThreadTimeoutException: Method 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching()
 didn't finish within the time-out 10000
   ```
   
   Usage tip: To enable automatic navigation to failure message, open the 
following links with CTRL/CMD-click.
   [example failure 
2021-11-23T07:22:41.0309947Z](https://github.com/apache/pulsar/runs/4296072720?check_suite_focus=true?check_suite_focus=true#step:9:7242)
   [example failure 
2021-11-23T07:18:17.4702538Z](https://github.com/apache/pulsar/runs/4296072720?check_suite_focus=true?check_suite_focus=true#step:9:4146)
   [example failure 
2021-11-23T07:13:56.9821017Z](https://github.com/apache/pulsar/runs/4296072720?check_suite_focus=true?check_suite_focus=true#step:9:1050)
   [example failure 
2021-11-23T06:48:08.6320205Z](https://github.com/apache/pulsar/runs/4295823228?check_suite_focus=true?check_suite_focus=true#step:9:7184)
   [example failure 
2021-11-23T06:43:58.5666978Z](https://github.com/apache/pulsar/runs/4295823228?check_suite_focus=true?check_suite_focus=true#step:9:4088)
   [example failure 
2021-11-23T06:39:47.6358549Z](https://github.com/apache/pulsar/runs/4295823228?check_suite_focus=true?check_suite_focus=true#step:9:992)
   [example failure 
2021-11-23T04:05:20.5380472Z](https://github.com/apache/pulsar/runs/4294917275?check_suite_focus=true?check_suite_focus=true#step:9:7184)
   [example failure 
2021-11-23T04:01:02.8698856Z](https://github.com/apache/pulsar/runs/4294917275?check_suite_focus=true?check_suite_focus=true#step:9:4088)
   [example failure 
2021-11-23T03:56:46.3194444Z](https://github.com/apache/pulsar/runs/4294917275?check_suite_focus=true?check_suite_focus=true#step:9:992)
   [example failure 
2021-11-22T14:55:32.2969523Z](https://github.com/apache/pulsar/runs/4287950608?check_suite_focus=true?check_suite_focus=true#step:9:1148)
   [example failure 
2021-11-22T11:49:38.1711553Z](https://github.com/apache/pulsar/runs/4285858767?check_suite_focus=true?check_suite_focus=true#step:9:2719)
   [example failure 
2021-11-22T11:45:29.5748587Z](https://github.com/apache/pulsar/runs/4285858767?check_suite_focus=true?check_suite_focus=true#step:9:1936)
   [example failure 
2021-11-22T11:41:22.6279285Z](https://github.com/apache/pulsar/runs/4285858767?check_suite_focus=true?check_suite_focus=true#step:9:1153)
   [example failure 
2021-11-22T11:33:10.8393092Z](https://github.com/apache/pulsar/runs/4285766977?check_suite_focus=true?check_suite_focus=true#step:9:1127)
   [example failure 
2021-11-22T11:07:14.3999199Z](https://github.com/apache/pulsar/runs/4285386039?check_suite_focus=true?check_suite_focus=true#step:9:2707)
   [example failure 
2021-11-22T10:58:08.2883266Z](https://github.com/apache/pulsar/runs/4285386039?check_suite_focus=true?check_suite_focus=true#step:9:1153)
   [example failure 
2021-11-22T10:38:33.8541156Z](https://github.com/apache/pulsar/runs/4285064651?check_suite_focus=true?check_suite_focus=true#step:9:7091)
   [example failure 
2021-11-22T10:33:59.2730777Z](https://github.com/apache/pulsar/runs/4285064651?check_suite_focus=true?check_suite_focus=true#step:9:4176)
   [example failure 
2021-11-22T10:31:46.8304904Z](https://github.com/apache/pulsar/runs/4284726558?check_suite_focus=true?check_suite_focus=true#step:9:7424)
   [example failure 
2021-11-22T10:29:51.9768989Z](https://github.com/apache/pulsar/runs/4285064651?check_suite_focus=true?check_suite_focus=true#step:9:1261)
   [example failure 
2021-11-22T10:27:20.2438765Z](https://github.com/apache/pulsar/runs/4284726558?check_suite_focus=true?check_suite_focus=true#step:9:4328)
   [example failure 
2021-11-22T10:22:59.7419898Z](https://github.com/apache/pulsar/runs/4284726558?check_suite_focus=true?check_suite_focus=true#step:9:1232)
   [example failure 
2021-11-22T09:51:41.8511464Z](https://github.com/apache/pulsar/runs/4284301214?check_suite_focus=true?check_suite_focus=true#step:9:4929)
   [example failure 
2021-11-22T09:42:44.3965961Z](https://github.com/apache/pulsar/runs/4284301214?check_suite_focus=true?check_suite_focus=true#step:9:1243)
   [example failure 
2021-11-22T09:26:58.8812634Z](https://github.com/apache/pulsar/runs/4284014543?check_suite_focus=true?check_suite_focus=true#step:9:7412)
   [example failure 
2021-11-22T09:18:29.6326753Z](https://github.com/apache/pulsar/runs/4284014543?check_suite_focus=true?check_suite_focus=true#step:9:1232)
   [example failure 
2021-11-22T02:38:53.2727103Z](https://github.com/apache/pulsar/runs/4281697313?check_suite_focus=true?check_suite_focus=true#step:9:7370)
   [example failure 
2021-11-22T02:34:32.0674347Z](https://github.com/apache/pulsar/runs/4281697313?check_suite_focus=true?check_suite_focus=true#step:9:4274)
   [example failure 
2021-11-21T03:52:10.1651394Z](https://github.com/apache/pulsar/runs/4276528367?check_suite_focus=true?check_suite_focus=true#step:9:1082)
   [example failure 
2021-11-21T03:51:09.8158336Z](https://github.com/apache/pulsar/runs/4276524230?check_suite_focus=true?check_suite_focus=true#step:9:1050)
   [example failure 
2021-11-20T15:31:52.9700462Z](https://github.com/apache/pulsar/runs/4273902089?check_suite_focus=true?check_suite_focus=true#step:9:5062)
   [example failure 
2021-11-20T15:27:41.3915044Z](https://github.com/apache/pulsar/runs/4273902089?check_suite_focus=true?check_suite_focus=true#step:9:1966)
   [example failure 
2021-11-20T15:23:30.3278019Z](https://github.com/apache/pulsar/runs/4273902089?check_suite_focus=true?check_suite_focus=true#step:9:1127)
   [example failure 
2021-11-19T20:55:30.5504277Z](https://github.com/apache/pulsar/runs/4269009977?check_suite_focus=true?check_suite_focus=true#step:9:4260)
   [example failure 
2021-11-19T20:51:22.8321796Z](https://github.com/apache/pulsar/runs/4269009977?check_suite_focus=true?check_suite_focus=true#step:9:1164)
   [example failure 
2021-11-19T20:08:01.2080531Z](https://github.com/apache/pulsar/runs/4268539104?check_suite_focus=true?check_suite_focus=true#step:9:7319)
   [example failure 
2021-11-19T20:03:29.7675584Z](https://github.com/apache/pulsar/runs/4268539104?check_suite_focus=true?check_suite_focus=true#step:9:4223)
   [example failure 
2021-11-19T19:59:04.5679837Z](https://github.com/apache/pulsar/runs/4268539104?check_suite_focus=true?check_suite_focus=true#step:9:1127)
   [example failure 
2021-11-19T18:45:31.8633418Z](https://github.com/apache/pulsar/runs/4267806531?check_suite_focus=true?check_suite_focus=true#step:9:7424)
   [example failure 
2021-11-19T18:41:12.4945872Z](https://github.com/apache/pulsar/runs/4267806531?check_suite_focus=true?check_suite_focus=true#step:9:4328)
   [example failure 
2021-11-19T18:36:51.5470911Z](https://github.com/apache/pulsar/runs/4267806531?check_suite_focus=true?check_suite_focus=true#step:9:1232)
   [example failure 
2021-11-19T18:08:23.4794449Z](https://github.com/apache/pulsar/runs/4267363933?check_suite_focus=true?check_suite_focus=true#step:9:7184)
   [example failure 
2021-11-19T18:04:03.5441995Z](https://github.com/apache/pulsar/runs/4267363933?check_suite_focus=true?check_suite_focus=true#step:9:4088)
   [example failure 
2021-11-19T17:59:47.0296020Z](https://github.com/apache/pulsar/runs/4267363933?check_suite_focus=true?check_suite_focus=true#step:9:992)
   [example failure 
2021-11-19T14:43:22.8691720Z](https://github.com/apache/pulsar/runs/4265349892?check_suite_focus=true?check_suite_focus=true#step:9:1158)
   [example failure 
2021-11-19T03:12:03.8746597Z](https://github.com/apache/pulsar/runs/4259782607?check_suite_focus=true?check_suite_focus=true#step:9:4311)
   [example failure 
2021-11-19T03:07:46.2717886Z](https://github.com/apache/pulsar/runs/4259782607?check_suite_focus=true?check_suite_focus=true#step:9:1217)
   [example failure 
2021-11-19T02:40:36.0386306Z](https://github.com/apache/pulsar/runs/4259542832?check_suite_focus=true?check_suite_focus=true#step:9:7334)
   [example failure 
2021-11-19T02:36:17.2567565Z](https://github.com/apache/pulsar/runs/4259542832?check_suite_focus=true?check_suite_focus=true#step:9:4240)
   [example failure 
2021-11-19T02:31:52.8425448Z](https://github.com/apache/pulsar/runs/4259542832?check_suite_focus=true?check_suite_focus=true#step:9:1146)
   [example failure 
2021-11-19T02:15:33.6498027Z](https://github.com/apache/pulsar/runs/4259433654?check_suite_focus=true?check_suite_focus=true#step:9:1158)
   [example failure 
2021-11-18T19:02:42.3670592Z](https://github.com/apache/pulsar/runs/4255515479?check_suite_focus=true?check_suite_focus=true#step:9:7221)
   [example failure 
2021-11-18T18:58:22.2222225Z](https://github.com/apache/pulsar/runs/4255515479?check_suite_focus=true?check_suite_focus=true#step:9:4127)
   [example failure 
2021-11-18T18:53:51.9365019Z](https://github.com/apache/pulsar/runs/4255515479?check_suite_focus=true?check_suite_focus=true#step:9:1033)
   [example failure 
2021-11-18T18:26:28.1468786Z](https://github.com/apache/pulsar/runs/4255135606?check_suite_focus=true?check_suite_focus=true#step:9:7350)
   [example failure 
2021-11-18T18:21:35.1883509Z](https://github.com/apache/pulsar/runs/4255135606?check_suite_focus=true?check_suite_focus=true#step:9:4256)
   [example failure 
2021-11-18T18:17:06.9691840Z](https://github.com/apache/pulsar/runs/4255135606?check_suite_focus=true?check_suite_focus=true#step:9:1162)
   [example failure 
2021-11-18T15:57:04.3058761Z](https://github.com/apache/pulsar/runs/4253422122?check_suite_focus=true?check_suite_focus=true#step:9:1946)
   [example failure 
2021-11-18T15:34:10.1550027Z](https://github.com/apache/pulsar/runs/4253132939?check_suite_focus=true?check_suite_focus=true#step:9:7423)
   [example failure 
2021-11-18T15:29:45.8816436Z](https://github.com/apache/pulsar/runs/4253132939?check_suite_focus=true?check_suite_focus=true#step:9:4329)
   [example failure 
2021-11-18T15:25:13.9544191Z](https://github.com/apache/pulsar/runs/4253132939?check_suite_focus=true?check_suite_focus=true#step:9:1235)
   [example failure 
2021-11-18T15:02:58.0231442Z](https://github.com/apache/pulsar/runs/4252741387?check_suite_focus=true?check_suite_focus=true#step:9:7346)
   [example failure 
2021-11-18T14:58:47.1318858Z](https://github.com/apache/pulsar/runs/4252741387?check_suite_focus=true?check_suite_focus=true#step:9:4252)
   [example failure 
2021-11-18T14:54:41.3649467Z](https://github.com/apache/pulsar/runs/4252741387?check_suite_focus=true?check_suite_focus=true#step:9:1158)
   [example failure 
2021-11-18T13:51:27.3727238Z](https://github.com/apache/pulsar/runs/4251894101?check_suite_focus=true?check_suite_focus=true#step:9:7350)
   [example failure 
2021-11-18T13:47:07.7675720Z](https://github.com/apache/pulsar/runs/4251894101?check_suite_focus=true?check_suite_focus=true#step:9:4256)
   [example failure 
2021-11-18T13:42:47.7965414Z](https://github.com/apache/pulsar/runs/4251894101?check_suite_focus=true?check_suite_focus=true#step:9:1162)
   [example failure 
2021-11-18T12:19:29.8869140Z](https://github.com/apache/pulsar/runs/4250910575?check_suite_focus=true?check_suite_focus=true#step:9:7350)
   [example failure 
2021-11-18T12:15:02.4065579Z](https://github.com/apache/pulsar/runs/4250910575?check_suite_focus=true?check_suite_focus=true#step:9:4256)
   [example failure 
2021-11-18T12:10:36.3803206Z](https://github.com/apache/pulsar/runs/4250910575?check_suite_focus=true?check_suite_focus=true#step:9:1162)
   [example failure 
2021-11-18T09:40:04.5323545Z](https://github.com/apache/pulsar/runs/4249214270?check_suite_focus=true?check_suite_focus=true#step:9:7338)
   [example failure 
2021-11-18T09:31:30.3034713Z](https://github.com/apache/pulsar/runs/4249214270?check_suite_focus=true?check_suite_focus=true#step:9:1162)
   
   
   <details>
   <summary>Full exception stacktrace</summary>
   <code><pre>
   org.testng.internal.thread.ThreadTimeoutException: Method 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching()
 didn't finish within the time-out 10000
        at 
org.testng.internal.MethodInvocationHelper.invokeWithTimeoutWithNewExecutor(MethodInvocationHelper.java:371)
        at 
org.testng.internal.MethodInvocationHelper.invokeWithTimeout(MethodInvocationHelper.java:282)
        at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:605)
        at org.testng.internal.TestInvoker.retryFailed(TestInvoker.java:214)
        at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:58)
        at 
org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:822)
        at 
org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:147)
        at 
org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
        at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
        at java.base/java.util.ArrayList.forEach(ArrayList.java:1541)
        at org.testng.TestRunner.privateRun(TestRunner.java:764)
        at org.testng.TestRunner.run(TestRunner.java:585)
        at org.testng.SuiteRunner.runTest(SuiteRunner.java:384)
        at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:378)
        at org.testng.SuiteRunner.privateRun(SuiteRunner.java:337)
        at org.testng.SuiteRunner.run(SuiteRunner.java:286)
        at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
        at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
        at org.testng.TestNG.runSuitesSequentially(TestNG.java:1218)
        at org.testng.TestNG.runSuitesLocally(TestNG.java:1140)
        at org.testng.TestNG.runSuites(TestNG.java:1069)
        at org.testng.TestNG.run(TestNG.java:1037)
        at 
org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:135)
        at 
org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeSingleClass(TestNGDirectoryTestSuite.java:112)
        at 
org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeLazy(TestNGDirectoryTestSuite.java:123)
        at 
org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:90)
        at 
org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:146)
        at 
org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
        at 
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
        at 
org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
        at 
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
   
   </pre></code>
   </details>
   
   ```
   java.lang.AssertionError: expected [600] but found [55]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
   ```
   
   Usage tip: To enable automatic navigation to failure message, open the 
following links with CTRL/CMD-click.
   [example failure 
2021-11-22T02:31:14.3906694Z](https://github.com/apache/pulsar/runs/4281697313?check_suite_focus=true?check_suite_focus=true#step:9:1164)
   
   
   <details>
   <summary>Full exception stacktrace</summary>
   <code><pre>
   java.lang.AssertionError: expected [600] but found [55]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
        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)
   
   </pre></code>
   </details>
   
   ```
   java.lang.AssertionError: expected [600] but found [160]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
   ```
   
   Usage tip: To enable automatic navigation to failure message, open the 
following links with CTRL/CMD-click.
   [example failure 
2021-11-22T09:47:20.9969894Z](https://github.com/apache/pulsar/runs/4284301214?check_suite_focus=true?check_suite_focus=true#step:9:2026)
   
   
   <details>
   <summary>Full exception stacktrace</summary>
   <code><pre>
   java.lang.AssertionError: expected [600] but found [160]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
        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)
   
   </pre></code>
   </details>
   
   ```
   java.lang.AssertionError: expected [600] but found [90]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
   ```
   
   Usage tip: To enable automatic navigation to failure message, open the 
following links with CTRL/CMD-click.
   [example failure 
2021-11-18T09:35:44.7273781Z](https://github.com/apache/pulsar/runs/4249214270?check_suite_focus=true?check_suite_focus=true#step:9:4256)
   
   
   <details>
   <summary>Full exception stacktrace</summary>
   <code><pre>
   java.lang.AssertionError: expected [600] but found [90]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
        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)
   
   </pre></code>
   </details>
   
   ```
   java.lang.AssertionError: expected [600] but found [0]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
   ```
   
   Usage tip: To enable automatic navigation to failure message, open the 
following links with CTRL/CMD-click.
   [example failure 
2021-11-22T09:22:39.1838362Z](https://github.com/apache/pulsar/runs/4284014543?check_suite_focus=true?check_suite_focus=true#step:9:4328)
   
   
   <details>
   <summary>Full exception stacktrace</summary>
   <code><pre>
   java.lang.AssertionError: expected [600] but found [0]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
        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)
   
   </pre></code>
   </details>
   
   ```
   java.lang.AssertionError: expected [20.0] but found [0.0]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEquals(Assert.java:744)
        at org.testng.Assert.assertEquals(Assert.java:757)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:803)
   ```
   
   Usage tip: To enable automatic navigation to failure message, open the 
following links with CTRL/CMD-click.
   [example failure 
2021-11-19T03:16:13.0890885Z](https://github.com/apache/pulsar/runs/4259782607?check_suite_focus=true?check_suite_focus=true#step:9:7405)
   
   
   <details>
   <summary>Full exception stacktrace</summary>
   <code><pre>
   java.lang.AssertionError: expected [20.0] but found [0.0]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEquals(Assert.java:744)
        at org.testng.Assert.assertEquals(Assert.java:757)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:803)
        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)
   
   </pre></code>
   </details>
   
   ```
   java.lang.AssertionError: expected [600] but found [10]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
   ```
   
   Usage tip: To enable automatic navigation to failure message, open the 
following links with CTRL/CMD-click.
   [example failure 
2021-11-22T11:02:26.0034413Z](https://github.com/apache/pulsar/runs/4285386039?check_suite_focus=true?check_suite_focus=true#step:9:1936)
   
   
   <details>
   <summary>Full exception stacktrace</summary>
   <code><pre>
   java.lang.AssertionError: expected [600] but found [10]
        at org.testng.Assert.fail(Assert.java:99)
        at org.testng.Assert.failNotEquals(Assert.java:1037)
        at org.testng.Assert.assertEqualsImpl(Assert.java:140)
        at org.testng.Assert.assertEquals(Assert.java:122)
        at org.testng.Assert.assertEquals(Assert.java:907)
        at org.testng.Assert.assertEquals(Assert.java:917)
        at 
org.apache.pulsar.client.api.DispatcherBlockConsumerTest.testBlockBrokerDispatching(DispatcherBlockConsumerTest.java:820)
        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)
   
   </pre></code>
   </details>
   
   


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