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https://issues.apache.org/jira/browse/HADOOP-15167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16334278#comment-16334278
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genericqa commented on HADOOP-15167:
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| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} docker {color} | {color:red}  6m 
40s{color} | {color:red} Docker failed to build yetus/hadoop:5b98639. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-15167 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12906353/HADOOP-15167-002.patch
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| Console output | 
https://builds.apache.org/job/PreCommit-HADOOP-Build/14015/console |
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> [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
>            Priority: Major
>         Attachments: HADOOP-15167-002.patch, 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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