tomscut created HDFS-16106:
------------------------------
Summary: Fix flaky unit test TestDFSShell
Key: HDFS-16106
URL: https://issues.apache.org/jira/browse/HDFS-16106
Project: Hadoop HDFS
Issue Type: Bug
Reporter: tomscut
Assignee: tomscut
This unit test occasionally fails.
The value set for dfs.namenode.accesstime.precision is too low, result in the
execution of the method, accesstime could be set many times, eventually leading
to failed assert.
IMO, dfs.namenode.accesstime.precision should be greater than or equal to the
timeout(120s) of TestDFSShell#testCopyCommandsWithPreserveOption(), or directly
set to 0 to disable this feature.
{code:java}
[ERROR] Tests run: 52, Failures: 3, Errors: 0, Skipped: 0, Time elapsed:
106.778 s <<< FAILURE! - in org.apache.hadoop.hdfs.TestDFSShell[ERROR] Tests
run: 52, Failures: 3, Errors: 0, Skipped: 0, Time elapsed: 106.778 s <<<
FAILURE! - in org.apache.hadoop.hdfs.TestDFSShell [ERROR]
testCopyCommandsWithPreserveOption(org.apache.hadoop.hdfs.TestDFSShell) Time
elapsed: 2.353 s <<< FAILURE! java.lang.AssertionError:
expected:<1625095098319> but was:<1625095099374> at
org.junit.Assert.fail(Assert.java:89) at
org.junit.Assert.failNotEquals(Assert.java:835) at
org.junit.Assert.assertEquals(Assert.java:647) at
org.junit.Assert.assertEquals(Assert.java:633) at
org.apache.hadoop.hdfs.TestDFSShell.testCopyCommandsWithPreserveOption(TestDFSShell.java:2282)
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$1.runReflectiveCall(FrameworkMethod.java:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
at java.util.concurrent.FutureTask.run(FutureTask.java:266) at
java.lang.Thread.run(Thread.java:748)
[ERROR] testCopyCommandsWithPreserveOption(org.apache.hadoop.hdfs.TestDFSShell)
Time elapsed: 2.467 s <<< FAILURE! java.lang.AssertionError:
expected:<1625095192527> but was:<1625095193950> at
org.junit.Assert.fail(Assert.java:89) at
org.junit.Assert.failNotEquals(Assert.java:835) at
org.junit.Assert.assertEquals(Assert.java:647) at
org.junit.Assert.assertEquals(Assert.java:633) at
org.apache.hadoop.hdfs.TestDFSShell.testCopyCommandsWithPreserveOption(TestDFSShell.java:2323)
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$1.runReflectiveCall(FrameworkMethod.java:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
at java.util.concurrent.FutureTask.run(FutureTask.java:266) at
java.lang.Thread.run(Thread.java:748)
[ERROR] testCopyCommandsWithPreserveOption(org.apache.hadoop.hdfs.TestDFSShell)
Time elapsed: 2.173 s <<< FAILURE! java.lang.AssertionError:
expected:<1625095196756> but was:<1625095197975> at
org.junit.Assert.fail(Assert.java:89) at
org.junit.Assert.failNotEquals(Assert.java:835) at
org.junit.Assert.assertEquals(Assert.java:647) at
org.junit.Assert.assertEquals(Assert.java:633) at
org.apache.hadoop.hdfs.TestDFSShell.testCopyCommandsWithPreserveOption(TestDFSShell.java:2303)
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$1.runReflectiveCall(FrameworkMethod.java:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
at java.util.concurrent.FutureTask.run(FutureTask.java:266) at
java.lang.Thread.run(Thread.java:748)
{code}
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