Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.4/services/NIFI/package/scripts/master.py", line 201, in <module>
    Master().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 219, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.4/services/NIFI/package/scripts/master.py", line 109, in install
    self.configure(env, True)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.4/services/NIFI/package/scripts/master.py", line 145, in configure
    Execute(format("cd {params.conf_dir}; mv flow.xml.gz flow_$(date +%d-%m-%Y).xml.gz ;"), user=params.nifi_user, ignore_failures=True)
  File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 154, in __init__
    self.env.run()
  File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 163, in run
    Logger.info("Skipping failure of %s due to ignore_failures. Failure reason: %s" % (resource, str(ex)))
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 191: ordinal not in range(128)

>>> print b
{'LANG': 'en_US.UTF-8', 'TERM': 'screen', 'AMBARI_CONF_DIR': '/etc/ambari-server/conf:/usr/sbin:/sbin:/usr/lib/ambari-server/*:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', 'PYTHONPATH': '/usr/lib/python2.6/site-packages:/usr/lib/python2.6/site-packages/ambari_commons:/usr/lib/python2.6/site-packages::/usr/lib/python2.6/site-packages', 'OLDPWD': '/', 'SHLVL': '5', 'PWD': '/var/lib/ambari-agent/tmp', 'PYTHON': '/usr/bin/python2', 'PATH': '/usr/sbin:/sbin:/usr/lib/ambari-server/*:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/var/lib/ambari-agent', 'AMBARI_PASSPHRASE': 'DEV', '_': '/usr/bin/nohup'}
>>> s1 = b.decode('utf-8')
>>> print s1
{'LANG': 'en_US.UTF-8', 'TERM': 'screen', 'AMBARI_CONF_DIR': '/etc/ambari-server/conf:/usr/sbin:/sbin:/usr/lib/ambari-server/*:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', 'PYTHONPATH': '/usr/lib/python2.6/site-packages:/usr/lib/python2.6/site-packages/ambari_commons:/usr/lib/python2.6/site-packages::/usr/lib/python2.6/site-packages', 'OLDPWD': '/', 'SHLVL': '5', 'PWD': '/var/lib/ambari-agent/tmp', 'PYTHON': '/usr/bin/python2', 'PATH': '/usr/sbin:/sbin:/usr/lib/ambari-server/*:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/var/lib/ambari-agent', 'AMBARI_PASSPHRASE': 'DEV', '_': '/usr/bin/nohup'}
>>>