菜鸡学习CM遇到大坑，搞了一下午没搞定，无奈求救
启动agent服务报错：
[01/Apr/2019 17:50:37 +0000] 32978 MainThread agent ERROR Failed to connect to previous supervisor.
Traceback (most recent call last):
File "/opt/cm-5.10.0/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.10.0-py2.7.egg/cmf/agent.py", line 2057, in find_or_start_supervisor
self.get_supervisor_process_info()
File "/opt/cm-5.10.0/lib64/cmf/agent/build/env/lib/python2.7/site-packages/cmf-5.10.0-py2.7.egg/cmf/agent.py", line 2201, in get_supervisor_process_info
self.identifier = self.supervisor_client.supervisor.getIdentification()
File "/usr/lib64/python2.7/xmlrpclib.py", line 1233, in __call__
return self.__send(self.__name, args)
File "/usr/lib64/python2.7/xmlrpclib.py", line 1587, in __request
verbose=self.__verbose
File "/opt/cm-5.10.0/lib64/cmf/agent/build/env/lib/python2.7/site-packages/supervisor-3.0-py2.7.egg/supervisor/xmlrpc.py", line 460, in request
self.connection.request('POST', handler, request_body, self.headers)
File "/usr/lib64/python2.7/httplib.py", line 1017, in request
self._send_request(method, url, body, headers)
File "/usr/lib64/python2.7/httplib.py", line 1051, in _send_request
self.endheaders(body)
File "/usr/lib64/python2.7/httplib.py", line 1013, in endheaders
self._send_output(message_body)
File "/usr/lib64/python2.7/httplib.py", line 864, in _send_output
self.send(msg)
File "/usr/lib64/python2.7/httplib.py", line 826, in send
self.connect()
File "/usr/lib64/python2.7/httplib.py", line 807, in connect
self.timeout, self.source_address)
File "/usr/lib64/python2.7/socket.py", line 571, in create_connection
raise err
error: [Errno 111] Connection refused
有遇到过这问题的大神吗？万分感激！！