[KUDU-2584] Flaky testSimpleBackupAndRestore

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.9.0
• Component/s: backup
• Assignee: Grant Henke
• Reporter: Mike Percy
• Created: 18/Sep/18 16:41
• Updated: 13/Nov/18 14:32
• Resolved: 13/Nov/18 14:32

Description

testSimpleBackupAndRestore is flaky and tends to fail with the following error:

04:48:06.604 [ERROR - Test worker] (RetryRule.java:72) testRandomBackupAndRestore(org.apache.kudu.backup.TestKuduBackup): failed run 1 
java.lang.AssertionError: expected:<111> but was:<110> 
at org.junit.Assert.fail(Assert.java:88) 
at org.junit.Assert.failNotEquals(Assert.java:834) 
at org.junit.Assert.assertEquals(Assert.java:645) 
at org.junit.Assert.assertEquals(Assert.java:631) 
at org.apache.kudu.backup.TestKuduBackup.testRandomBackupAndRestore(TestKuduBackup.scala:99) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
at java.lang.reflect.Method.invoke(Method.java:483) 
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) 
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) 
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) 
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) 
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) 
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) 
at org.apache.kudu.junit.RetryRule$RetryStatement.evaluate(RetryRule.java:68) 
at org.junit.rules.RunRules.evaluate(RunRules.java:20) 
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) 
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) 
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) 
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) 
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) 
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) 
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) 
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) 
at org.junit.runners.ParentRunner.run(ParentRunner.java:363) 
at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:106) 
at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58) 
at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:38) 
at org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:66) 
at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
at java.lang.reflect.Method.invoke(Method.java:483) 
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) 
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) 
at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:32) 
at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93) 
at com.sun.proxy.$Proxy2.processTestClass(Unknown Source) 
at org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:117) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
at java.lang.reflect.Method.invoke(Method.java:483) 
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) 
at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) 
at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:155) 
at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:137) 
at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:404) 
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63) 
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55) 
at java.lang.Thread.run(Thread.java:745)

Issue Links

• is duplicated by: KUDU-2602 testRandomBackupAndRestore is flaky