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Posted to common-issues@hadoop.apache.org by "Jonathan Barber (JIRA)" <ji...@apache.org> on 2013/04/23 12:29:16 UTC

[jira] [Created] (HADOOP-9493) Replace popen2 module with subprocess in HOD to eliminate deprecation warning

Jonathan Barber created HADOOP-9493:
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             Summary: Replace popen2 module with subprocess in HOD to eliminate deprecation warning
                 Key: HADOOP-9493
                 URL: https://issues.apache.org/jira/browse/HADOOP-9493
             Project: Hadoop Common
          Issue Type: Improvement
          Components: contrib/hod
    Affects Versions: 1.1.2
         Environment: RHEL6.4 and Python 2.6.6
            Reporter: Jonathan Barber
            Priority: Minor
             Fix For: 1.1.2


Python 2.6.6 issues the following warning when running the "hod" command:
"""
/homes/jbarber/hadoop-1.1.2/contrib/hod/hodlib/Common/threads.py:19: DeprecationWarning: The popen2 module is deprecated.  Use the subprocess module.
  from popen2 import Popen4, Popen3, MAXFD
"""

The popen2 module was deprecated in Python 2.6.

The attached patch replaces the usage of popen2 with the subprocess module.

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