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From "Bo Bao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-1840) User names should be better checked or escaped
Date Sat, 15 Mar 2014 01:31:43 GMT
Bo Bao created YARN-1840:
----------------------------

             Summary: User names should be better checked or escaped
                 Key: YARN-1840
                 URL: https://issues.apache.org/jira/browse/YARN-1840
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: documentation, nodemanager
         Environment: Most supported OSes
            Reporter: Bo Bao
            Priority: Minor


Now, when creating a container with DefaultContainerExecutor, NodeManager accepts almost any
string as a username. In some cases, this will cause user names with special characters being
wrongly interpreted by host OS or related non-Java programs.
The default filter in LinuxContainerExecutor has similar issues.
Some introductions about legal user names should be added then.



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