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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8573) Configuration tries to read from an inputstream resource multiple times.
Date Fri, 06 Jul 2012 15:05:35 GMT
Robert Joseph Evans created HADOOP-8573:

             Summary: Configuration tries to read from an inputstream resource multiple times.

                 Key: HADOOP-8573
                 URL: https://issues.apache.org/jira/browse/HADOOP-8573
             Project: Hadoop Common
          Issue Type: Bug
          Components: conf
    Affects Versions: 1.0.2, 0.23.3, 2.0.1-alpha, 3.0.0
            Reporter: Robert Joseph Evans
            Assignee: Robert Joseph Evans

If someone calls Configuration.addResource(InputStream) and then reloadConfiguration is called
for any reason, Configruation will try to reread the contents of the InputStream, after it
has already closed it.

This never showed up in 1.0 because the framework itself does not call addResource with an
InputStream, and typically by the time user code starts running that might call this, all
of the default and site resources have already been loaded.

In 0.23 mapreduce is now a client library, and mapred-site.xml and mapred-default.xml are
loaded much later in the process.

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