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https://issues.apache.org/jira/browse/HDFS-3128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13236017#comment-13236017
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Eli Collins commented on HDFS-3128:
-----------------------------------

Here's the full stacktrace:

{noformat}
java.io.FileNotFoundException: /tmp/alpha (Permission denied)
        at java.io.FileOutputStream.open(Native Method)
        at java.io.FileOutputStream.<init>(FileOutputStream.java:194)
        at 
org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.<init>(RawLocalFileSystem.java:201)
        at 
org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.<init>(RawLocalFileSystem.java:197)
        at 
org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:257)
        at 
org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:244)
        at 
org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSOutputSummer.<init>(ChecksumFileSystem.java:391)
        at 
org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:439)
        at 
org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:420)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:774)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:755)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:683)
        at org.apache.hadoop.hdfs.DFSTestUtil.createFile(DFSTestUtil.java:196)
        at 
org.apache.hadoop.fs.TestResolveHdfsSymlink.testFcResolveAfs(TestResolveHdfsSymlink.java:79)
{noformat}
                
> TestResolveHdfsSymlink#testFcResolveAfs shouldn't use /tmp
> ----------------------------------------------------------
>
>                 Key: HDFS-3128
>                 URL: https://issues.apache.org/jira/browse/HDFS-3128
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>            Reporter: Eli Collins
>            Priority: Minor
>
> Saw this on jenkins, TestResolveHdfsSymlink#testFcResolveAfs creates 
> /tmp/alpha which interferes with other executors on the same machine.

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