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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-9344) Configuration.writeXml can warn about deprecated properties user did not set
Date Thu, 28 Feb 2013 04:19:12 GMT
Jason Lowe created HADOOP-9344:
----------------------------------

             Summary: Configuration.writeXml can warn about deprecated properties user did
not set
                 Key: HADOOP-9344
                 URL: https://issues.apache.org/jira/browse/HADOOP-9344
             Project: Hadoop Common
          Issue Type: Bug
          Components: conf
    Affects Versions: 0.23.5, 2.0.3-alpha
            Reporter: Jason Lowe


When the configuration is serialized it can emit warnings about deprecated properties that
the user did not specify.  Converting the config to XML causes all the properties in the config
to be processed for deprecation, and after HADOOP-8167 setting a proper config property also
causes the deprecated forms to be set.  Processing all the keys in the config for deprecation
therefore can trigger warnings for keys that were never specified by the user, leaving users
confused as to how their code could be triggering these warnings.

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