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Posted to hdfs-dev@hadoop.apache.org by "Daryn Sharp (JIRA)" <ji...@apache.org> on 2013/03/11 21:43:14 UTC

[jira] [Created] (HDFS-4587) Webhdfs secure clients are incompatible with non-secure NN

Daryn Sharp created HDFS-4587:
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             Summary: Webhdfs secure clients are incompatible with non-secure NN
                 Key: HDFS-4587
                 URL: https://issues.apache.org/jira/browse/HDFS-4587
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode, webhdfs
    Affects Versions: 3.0.0, 0.23.7, 2.0.4-alpha
            Reporter: Daryn Sharp


A secure webhdfs client will receive an exception from a non-secure NN.  For a NN in non-secure mode, {{FSNamesystem#getDelegationToken}} will return "null" to indicate no token is required.  Hdfs will send back the null to the client, but webhdfs uses {{DelegationTokenSecretManager.createCredentials}} which instead throws an exception.


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