[jira] [Commented] (HADOOP-9500) TestUserGroupInformation#testGetServerSideGroups fails on Windows due to failure to find winutils.exe

["Chris Nauroth (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-9500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13640754#comment-13640754 ] 

Chris Nauroth commented on HADOOP-9500:
---------------------------------------

The problem was introduced in HADOOP-9299 with this code:

{code}
    // doesn't matter what it is, but getGroups needs it set...
    System.setProperty("hadoop.home.dir", "/tmp");
{code}

The logic in {{Shell}} for finding the path to winutils.exe first checks the hadoop.home.dir property.  It won't find it in /tmp, so the test fails the first time it tries to run a winutils command.

This is easy to fix: instead of /tmp, use the HADOOP_HOME environment variable, which is guaranteed to be configured to the correct path in maven-surefire-plugin.  I'll provide a patch shortly.

                
> TestUserGroupInformation#testGetServerSideGroups fails on Windows due to failure to find winutils.exe
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-9500
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9500
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 3.0.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>
> The test attempts to run the winutils groups command, but the initialization logic fails to find the path to winutils.exe.

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