[AVRO-1943] Flaky test: TestNettyServerWithCompression.testConnectionsCount

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8.1
• Fix Version/s: 1.9.0
• Component/s: java
• Hadoop Flags: Reviewed
• Assignee: Gabor Szadovszky
• Reporter: Gabor Szadovszky
• Created: 26/Oct/16 11:59
• Updated: 30/Nov/16 15:35
• Resolved: 31/Oct/16 11:08

Description

One of the unit tests is often failing in our jenkins environment. However, I was not able to reproduce it on my own environment; it might be related to either the CPU or the network load.

Stack Trace:

junit.framework.AssertionFailedError: expected:<1> but was:<2>
	at junit.framework.Assert.fail(Assert.java:50)
	at junit.framework.Assert.failNotEquals(Assert.java:287)
	at junit.framework.Assert.assertEquals(Assert.java:67)
	at junit.framework.Assert.assertEquals(Assert.java:199)
	at junit.framework.Assert.assertEquals(Assert.java:205)
	at org.apache.avro.ipc.TestNettyServer.testConnectionsCount(TestNettyServer.java:152)
	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:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:236)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:134)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:113)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:103)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:74)

Issue Links

• is duplicated by: AVRO-1942 Flaky test: TestNettyServerWithCompression.testConnectionsCount
• links to: GitHub Pull Request #148