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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-15167) [viewfs] ViewFileSystem.InternalDirOfViewFs#getFileStatus shouldn't depend on UGI#getPrimaryGroupName
Date Thu, 11 Jan 2018 15:11:00 GMT
Brahma Reddy Battula created HADOOP-15167:
---------------------------------------------

             Summary: [viewfs] ViewFileSystem.InternalDirOfViewFs#getFileStatus shouldn't
depend on UGI#getPrimaryGroupName
                 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



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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