[HDFS-15327] TestDataNodeErasureCodingMetrics.testReconstructionBytesPartialGroup3 fails intermittently

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.4.0
• Component/s: datanode, erasure-coding, test
• Assignee: Unassigned
• Reporter: Mingliang Liu
• Created: 03/May/20 04:10
• Updated: 03/May/20 04:11

Description

Sample stack trace:

Error Message
ecReconstructionBytesRead should be  expected:<6501170> but was:<0>
Stacktrace
java.lang.AssertionError: ecReconstructionBytesRead should be  expected:<6501170> but was:<0>
	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.apache.hadoop.hdfs.server.datanode.TestDataNodeErasureCodingMetrics.testReconstructionBytesPartialGroup3(TestDataNodeErasureCodingMetrics.java:150)
	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$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.lang.Thread.run(Thread.java:748)

Sample failing build:

• https://builds.apache.org/job/PreCommit-HDFS-Build/29226/testReport/

Issue Links

• incorporates: HDFS-15326 TestDataNodeErasureCodingMetrics::testFullBlock fails intermittently