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https://issues.apache.org/jira/browse/HADOOP-8589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13462033#comment-13462033
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Daryn Sharp commented on HADOOP-8589:
-------------------------------------
Is that even with Andrey's latest patch applied?
> ViewFs tests fail when tests and home dirs are nested
> -----------------------------------------------------
>
> Key: HADOOP-8589
> URL: https://issues.apache.org/jira/browse/HADOOP-8589
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs, test
> Affects Versions: 0.23.1, 2.0.0-alpha
> Reporter: Andrey Klochkov
> Assignee: Andrey Klochkov
> Attachments: HADOOP-8589.patch, HADOOP-8859.patch
>
>
> TestFSMainOperationsLocalFileSystem fails in case when the test root
> directory is under the user's home directory, and the user's home dir is
> deeper than 2 levels from /. This happens with the default 1-node
> installation of Jenkins.
> This is the failure log:
> {code}
> org.apache.hadoop.fs.FileAlreadyExistsException: Path /var already exists as
> dir; cannot create link here
> at org.apache.hadoop.fs.viewfs.InodeTree.createLink(InodeTree.java:244)
> at org.apache.hadoop.fs.viewfs.InodeTree.<init>(InodeTree.java:334)
> at
> org.apache.hadoop.fs.viewfs.ViewFileSystem$1.<init>(ViewFileSystem.java:167)
> at
> org.apache.hadoop.fs.viewfs.ViewFileSystem.initialize(ViewFileSystem.java:167)
> at
> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2094)
> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:79)
> at
> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2128)
> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2110)
> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:290)
> at
> org.apache.hadoop.fs.viewfs.ViewFileSystemTestSetup.setupForViewFileSystem(ViewFileSystemTestSetup.java:76)
> at
> org.apache.hadoop.fs.viewfs.TestFSMainOperationsLocalFileSystem.setUp(TestFSMainOperationsLocalFileSystem.java:40)
> ...
> Standard Output
> 2012-07-11 22:07:20,239 INFO mortbay.log (Slf4jLog.java:info(67)) - Home dir
> base /var/lib
> {code}
> The reason for the failure is that the code tries to mount links for both
> "/var" and "/var/lib", and it fails for the 2nd one as the "/var" is mounted
> already.
> The fix was provided in HADOOP-8036 but later it was reverted in HADOOP-8129.
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