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https://issues.apache.org/jira/browse/HDFS-15396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17127519#comment-17127519
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Uma Maheswara Rao G commented on HDFS-15396:
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[~ayushtkn] Thanks you for reporting. Since that was in common, hdfs tests were
not run in yetus report.
While I was working on HADOOP-17060, I tried a fix for this. Instead of
changing test, the most appropriate fix should be, adding "/" when path
component is empty. With that change tests would pass.
Feel free to take the code from [https://github.com/apache/hadoop/pull/2061] if
you want. Appreciate your efforts and thanks for that.
cc: [~Abhishek262]
> Fix
> TestViewFileSystemOverloadSchemeHdfsFileSystemContract#testListStatusRootDir
> --------------------------------------------------------------------------------
>
> Key: HDFS-15396
> URL: https://issues.apache.org/jira/browse/HDFS-15396
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
>
> Exception :
> {code:java}
> java.lang.IllegalArgumentException: Can not create a Path from an empty string
> at org.apache.hadoop.fs.Path.checkPathArg(Path.java:172)
> at org.apache.hadoop.fs.Path.<init>(Path.java:184)
> at
> org.apache.hadoop.fs.viewfs.ViewFileSystem$InternalDirOfViewFs.listStatus(ViewFileSystem.java:1207)
> at
> org.apache.hadoop.fs.viewfs.ViewFileSystem.listStatus(ViewFileSystem.java:514)
> at
> org.apache.hadoop.fs.FileSystemContractBaseTest.assertListStatusFinds(FileSystemContractBaseTest.java:867)
> at
> org.apache.hadoop.fs.viewfs.TestViewFileSystemOverloadSchemeHdfsFileSystemContract.testListStatusRootDir(TestViewFileSystemOverloadSchemeHdfsFileSystemContract.java:119)
> {code}
> The reason for failure being, the mount destination for /user and /append in
> the test is just the URI, with no further path.
> Thus while listing, in order to fetch the permissions, the destination URI is
> used to get the path, which resolves being empty. Hence the failure
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