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Posted to common-issues@hadoop.apache.org by "Andrey Klochkov (JIRA)" <ji...@apache.org> on 2012/07/16 21:52:34 UTC
[jira] [Commented] (HADOOP-8599) Non empty response from
FileSystem.getFileBlockLocations when asking for data beyond the end of
file
[ https://issues.apache.org/jira/browse/HADOOP-8599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13415576#comment-13415576 ]
Andrey Klochkov commented on HADOOP-8599:
-----------------------------------------
The build https://builds.apache.org/job/Hadoop-Common-0.23-Build/312/ failed due to this bug, this is the failure log:
{code}
org.apache.hadoop.fs.TestGetFileBlockLocations.testGetFileBlockLocations2
Failing for the past 1 build (Since #312 )
Took 0.29 sec.
Stacktrace
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.TestGetFileBlockLocations.oneTest(TestGetFileBlockLocations.java:90)
at org.apache.hadoop.fs.TestGetFileBlockLocations.__CLR3_0_2h1r7rc12wg(TestGetFileBlockLocations.java:136)
at org.apache.hadoop.fs.TestGetFileBlockLocations.testGetFileBlockLocations2(TestGetFileBlockLocations.java:131)
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$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:243)
at junit.framework.TestSuite.run(TestSuite.java:238)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)
at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:175)
at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcessWhenForked(SurefireStarter.java:81)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:68)
Standard Output
2012-07-15 09:13:27,734 INFO util.NativeCodeLoader (NativeCodeLoader.java:<clinit>(50)) - Loaded the native-hadoop library
{code}
> Non empty response from FileSystem.getFileBlockLocations when asking for data beyond the end of file
> -----------------------------------------------------------------------------------------------------
>
> Key: HADOOP-8599
> URL: https://issues.apache.org/jira/browse/HADOOP-8599
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 1.0.3, 0.23.1, 2.0.0-alpha
> Reporter: Andrey Klochkov
>
> When FileSystem.getFileBlockLocations(file,start,len) is called with "start" argument equal to the file size, the response is not empty. There is a test TestGetFileBlockLocations.testGetFileBlockLocations2 which uses randomly generated "start" and "len" arguments when calling FileSystem.getFileBlockLocations and the test fails randomly (when the generated start value equals to the file size).
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