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https://issues.apache.org/jira/browse/HADOOP-15723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16619769#comment-16619769
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Yuan Gao commented on HADOOP-15723:
-----------------------------------

[[email protected]] Regarding the question of "what is meant to happen on 
AdlAuthorizer.isAuthorized if the varargs path list is of size 0? ", I have the 
check in the interface implementation AdlAuthorizerImpl:

    if (fsAction == null || absolutePaths == null || absolutePaths.length == 0) 
{
      throw new IllegalArgumentException("fsAction or absolutePaths cannot be 
null or empty");
    }
This code sits in a separate repo.

Regarding to the question of calling Path.makeQualified(), it is to return a 
qualified path the filesystem's working directory. It is required to be called 
before authorization check.

> ABFS: Ranger Support
> --------------------
>
>                 Key: HADOOP-15723
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15723
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/azure
>    Affects Versions: HADOOP-15407
>            Reporter: Thomas Marquardt
>            Assignee: Da Zhou
>            Priority: Major
>         Attachments: HADOOP-15273-HADOOP-15407-001.patch, 
> HADOOP-15273-HADOOP-15407-002.patch, HADOOP-15273-HADOOP-15407-003.patch
>
>
> Add support for Ranger



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