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Date: Thu, 11 Oct 2012 17:46:43 +0000 (UTC)
From: "Arun C Murthy (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Closed] (HADOOP-8718)
 org.apache.hadoop.fs.viewfs.InodeTree.createLink(...) may throw
 java.lang.ArrayIndexOutOfBoundsException
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     [ https://issues.apache.org/jira/browse/HADOOP-8718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy closed HADOOP-8718.
---------------------------------

    
> org.apache.hadoop.fs.viewfs.InodeTree.createLink(...) may throw java.lang.ArrayIndexOutOfBoundsException
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-8718
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8718
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: viewfs
>    Affects Versions: 0.23.0, 2.0.0-alpha
>         Environment: OS: CentOS 6.2 32bit
>            Reporter: linwukang
>              Labels: ArrayIndexOutOfBoundsException, InodeTree, viewfs
>             Fix For: 0.23.2, 2.0.2-alpha
>
>   Original Estimate: 504h
>  Remaining Estimate: 504h
>
> org.apache.hadoop.fs.viewfs.InodeTree.createLink(...) may throw java.lang.ArrayIndexOutOfBoundsException as breakIntoPathComponents(src) may return Empty Array "[]". this happened when run the test case of viewfs on my jenkins server. In my situation, "/" is passed into breakIntoPathComponents() as its param "src". 
> Here is the Message given by Jenkins:
> java.lang.ArrayIndexOutOfBoundsException: 1
>         at org.apache.hadoop.fs.viewfs.InodeTree.createLink(InodeTree.java:237)
>         at org.apache.hadoop.fs.viewfs.InodeTree.<init>(InodeTree.java:334)
>         at org.apache.hadoop.fs.viewfs.ViewFileSystem$1.<init>(ViewFileSystem.java:178)
>         at org.apache.hadoop.fs.viewfs.ViewFileSystem.initialize(ViewFileSystem.java:178)
>         at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2150)
>         at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:80)
>         at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2184)
>         at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2166)
>         at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:302)
>         at org.apache.hadoop.fs.viewfs.ViewFileSystemTestSetup.setupForViewFileSystem(ViewFileSystemTestSetup.java:64)
>         at org.apache.hadoop.fs.viewfs.TestFSMainOperationsLocalFileSystem.setUp(TestFSMainOperationsLocalFileSystem.java:40)
>         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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
>         at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
>         at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
>         at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
>         at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
>         at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
>         at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
>         at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
>         at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
>         at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
>         at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
>         at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
>         at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
>         at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
>         at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:236)
>         at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:134)
>         at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:113)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
>         at org.apache.maven.surefire.booter.ProviderFactory$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)
> Standard Output
>         2012-08-22 10:31:40,487 INFO  mortbay.log (Slf4jLog.java:info(67)) - Home dir base /

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