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Posted to common-dev@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2013/02/28 05:19:12 UTC

[jira] [Created] (HADOOP-9344) Configuration.writeXml can warn about deprecated properties user did not set

Jason Lowe created HADOOP-9344:
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             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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