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  1. Hadoop Common
  2. HADOOP-3098

dfs -chown does not like "_" underscore in user name

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 0.16.0, 0.16.1
    • Fix Version/s: 0.16.2
    • Component/s: fs
    • Labels:
      None
    • Release Note:
      chown and chgrp commands allow more flexible names compared to 0.16. See 'fs -help chown'. Inform Users : YES.

      Description

      :~$ hadoop dfs -chown aaa_bbb /user/knoguchi/test.txt
      chown: 'aaa_bbb' does not match expected pattern for [owner][:group].

      in 0.16.1, only alphabets and numbers are allowed. Shouldn't '_' be allowed?

      I couldn't find any standard, but in Solaris10, it's defined as

      http://docs.sun.com/app/docs/doc/816-5174/6mbb98uhg?a=view

      The login (login) and role (role) fields accept a string of no more than eight bytes consisting of characters from the set of alphabetic characters, numeric characters, period (.), underscore (_), and hyphen . The first character should be alphabetic and the field should contain at least one lower case alphabetic character. A warning message is displayed if these restrictions are not met.

        Attachments

        1. HADOOP-3098.patch
          4 kB
          Raghu Angadi
        2. HADOOP-3098.patch
          3 kB
          Raghu Angadi

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              • Assignee:
                rangadi Raghu Angadi
                Reporter:
                knoguchi Koji Noguchi
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                • Created:
                  Updated:
                  Resolved: