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https://issues.apache.org/jira/browse/HADOOP-8790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Han Xiao updated HADOOP-8790:
-----------------------------
Attachment: (was: HDFS-3266-1.patch)
> testTrashEmptier() fails when run TestHDFSTrash
> -----------------------------------------------
>
> Key: HADOOP-8790
> URL: https://issues.apache.org/jira/browse/HADOOP-8790
> Project: Hadoop Common
> Issue Type: Bug
> Components: test
> Affects Versions: 2.0.1-alpha
> Reporter: Han Xiao
> Fix For: 2.0.1-alpha
>
> Attachments: HADOOP-8790.patch
>
>
> In our test environment, TestHDFSTrash.testTrashEmptier fails occasionally:
> Standout is:
> 2012-09-12 01:09:23,732 WARN conf.Configuration
> (Configuration.java:warnOnceIfDeprecated(737)) - fs.default.name is
> deprecated. Instead, use fs.defaultFS
> Moved:
> 'file:/home/hadoop/jenkins/jenkins_home/jobs/hadoop-hdfs-test/workspace/hadoop-hdfs/target/test/data/testTrash/test/mkdirs/myFile0'
> to trash at: file:/home/hadoop/.Trash/Current
> Stacktrace is:
> junit.framework.AssertionFailedError: null
> at junit.framework.Assert.fail(Assert.java:47)
> at junit.framework.Assert.assertTrue(Assert.java:20)
> at junit.framework.Assert.assertTrue(Assert.java:27)
> at org.apache.hadoop.fs.TestTrash.testTrashEmptier(TestTrash.java:533)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at junit.framework.TestCase.runTest(TestCase.java:168)
> at junit.framework.TestCase.runBare(TestCase.java:134)
> at junit.framework.TestResult$1.protect(TestResult.java:110)
> at junit.framework.TestResult.runProtected(TestResult.java:128)
> at junit.framework.TestResult.run(TestResult.java:113)
> at junit.framework.TestCase.run(TestCase.java:124)
> at junit.framework.TestSuite.runTest(TestSuite.java:243)
> at junit.framework.TestSuite.run(TestSuite.java:238)
> at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> at junit.extensions.TestSetup$1.protect(TestSetup.java:23)
> at junit.framework.TestResult.runProtected(TestResult.java:128)
> at junit.extensions.TestSetup.run(TestSetup.java:27)
> at
> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:236)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:134)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:113)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
> at
> org.apache.maven.surefire.booter.ProviderFactory$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)
>
> So it seems that at the beginning, the condition that 'checkpoints.size() ==
> 4' is true. Then the testcase fails right away.
> If the Trash directory likes bellow, the testcase fails everytime.
> hadoop@HADOOP-CI-AGENT-A:~/.Trash> l
> total 24
> drwxr-xr-x 6 hadoop users 4096 Sep 12 17:26 ./
> drwx------ 21 hadoop users 4096 Sep 12 17:25 ../
> drwxr-xr-x 3 hadoop users 4096 Sep 12 17:26 120912170042/
> drwxr-xr-x 3 hadoop users 4096 Sep 12 17:00 120912170048/
> drwxr-xr-x 3 hadoop users 4096 Sep 12 17:00 120912170054/
> drwxr-xr-x 3 hadoop users 4096 Sep 12 17:00 Current/
> So the testcase must be modified to avoid the failing in such a precondition.
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