title: supervisorctl always reports error: ERROR (no such file)
body: <p>I deploy my django project with uwsgi、supervisor and nginx.
  but I have added my program like above in the /etc/supervisord.conf.</p>
  
  <pre><code>[program:JZAssist]
  command=-E uwsgi --ini /home/work/xxxx/uwsgi.ini
  directory=/home/work/xxxx
  startsecs=0
  stopwaitsecs=0
  autostart=true
  autorestart=true
  </code></pre>
  
  <p>and my uwsgi.ini content is:</p>
  
  <pre><code>[uwsgi] 
  socket = :8000 
  chdir = /home/work/xxxx 
  module = xxxx.wsgi 
  master = true 
  processes = 4 
  vacuum = true 
  </code></pre>
  
  <p>xxxx is my project name.</p>
  
  <p>I run <code>supervisorctl -c /etc/supervisord.conf restart all</code> in the cmd.
  And it shows </p>
  
  <pre><code>xxxx: ERROR (no such file)
  </code></pre>
  
  <p>/tmp/supervisord.log part of content:</p>
  
  <pre><code>2017-02-24 23:31:41,433 INFO gave up: JZAssist entered FATAL state,         too many start retries too quickly
  2017-02-24 23:52:29,940 WARN Failed to clean up '/tmp/JZAssist-stderr---supervisor-goPZyS.log'
  2017-02-24 23:52:29,940 WARN Failed to clean up '/tmp/JZAssist-stdout---supervisor-WtfJcp.log'
  2017-02-24 23:52:57,535 WARN Failed to clean up '/tmp/JZAssist-stderr---supervisor-goPZyS.log'
  2017-02-24 23:52:57,535 WARN Failed to clean up '/tmp/JZAssist-stdout---supervisor-WtfJcp.log'
  2017-02-24 23:52:57,541 INFO RPC interface 'supervisor' initialized
  2017-02-24 23:52:57,541 CRIT Server 'unix_http_server' running without any HTTP authentication checking
  2017-02-24 23:52:57,542 INFO daemonizing the supervisord process
  2017-02-24 23:52:57,543 CRIT could not write pidfile /tmp/supervisord.pid
  2017-02-24 23:52:58,544 INFO spawnerr: can't find command '-E'
  2017-02-24 23:52:59,546 INFO spawnerr: can't find command '-E'
  2017-02-25 00:46:59,234 WARN Failed to clean up '/tmp/JZAssist-stderr---supervisor-goPZyS.log'
  2017-02-25 00:46:59,234 WARN Failed to clean up '/tmp/JZAssist-stdout---supervisor-WtfJcp.log'
  </code></pre>
  
  <p>I don't know why it will report error like that.I can run my django project with runserver.so what the file is missing?</p>