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Posted to hdfs-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/07/26 00:00:09 UTC

[jira] [Created] (HDFS-2194) NameNode HTTP server temporarily changes login user

NameNode HTTP server temporarily changes login user
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                 Key: HDFS-2194
                 URL: https://issues.apache.org/jira/browse/HDFS-2194
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node, security
    Affects Versions: 0.23.0
            Reporter: Todd Lipcon
            Priority: Minor


When starting the NameNode HTTP server, it temporarily logs in as the configured HTTP principal, then does a {{getLoginUser().doAs()}} to start the server with the correct principal. This mucks with global state unnecessarily and complicates that code. Instead, I think we could probably use {{loginUserFromKeytabAndReturnUgi}} to be a little cleaner.

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