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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-15167) [viewfs] ls will fail when user doesn't exist
Date Thu, 11 Jan 2018 16:28:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-15167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brahma Reddy Battula updated HADOOP-15167:
------------------------------------------
    Summary: [viewfs] ls will fail when user doesn't exist  (was: ViewFileSystem.InternalDirOfViewFs#getFileStatus
shouldn't depend on UGI#getPrimaryGroupName)

> [viewfs] ls will fail when user doesn't exist
> ---------------------------------------------
>
>                 Key: HADOOP-15167
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15167
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: viewfs
>    Affects Versions: 2.7.0
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>         Attachments: HADOOP-15167.patch
>
>
> Have Secure federated cluster with atleast two nameservices
> Configure viewfs related configs 
>  When we run the {{ls}} cmd in HDFS client ,we will call the method: org.apache.hadoop.fs.viewfs.ViewFileSystem.InternalDirOfViewFs#getFileStatus
>  it will try to get the group of the kerberos user. If the node has not this user, it
fails. 
> Throws the following and exits.UserGroupInformation#getPrimaryGroupName
> {code}
> if (groups.isEmpty()) {
>       throw new IOException("There is no primary group for UGI " + this);
>     }
> {code}



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