ansible error message

[GBANE FETIGUE]

I am running an ansible script that returned an error message anytime I have added a JSON payload

TASK: [uri url=http://ec2-54-164-162-26.compute-1.amazonaws.com:7777/mmc-support method=POST user=admin password=admin return_content=yes HEADER_Content-Type="'application/json' ec2-54-165-243-43.compute-1.amazonaws.com:8080/mmc/api/servers"] ***
failed: [ip-172-31-57-168.ec2.internal] => {"failed": true, "parsed": false}
Traceback (most recent call last):
  File "/root/.ansible/tmp/ansible-tmp-1460552910.1-66349999814421/uri", line 2081, in <module>
    main()
  File "/root/.ansible/tmp/ansible-tmp-1460552910.1-66349999814421/uri", line 416, in main
    resp, content, dest = uri(module, url, dest, user, password, body, method, dict_headers, redirects, socket_timeout, validate_certs)
  File "/root/.ansible/tmp/ansible-tmp-1460552910.1-66349999814421/uri", line 312, in uri
    resp, content = h.request(url, method=method, body=body, headers=headers)
  File "/usr/lib/python2.7/site-packages/httplib2/__init__.py", line 1605, in request
    (response, content) = self._request(conn, authority, uri, request_uri, method, body, headers, redirections, cachekey)
  File "/usr/lib/python2.7/site-packages/httplib2/__init__.py", line 1353, in _request
    (response, content) = self._conn_request(conn, request_uri, method, body, headers)
  File "/usr/lib/python2.7/site-packages/httplib2/__init__.py", line 1323, in _conn_request
    response = conn.getresponse()
  File "/usr/lib64/python2.7/httplib.py", line 1051, in getresponse
    response.begin()
  File "/usr/lib64/python2.7/httplib.py", line 415, in begin
    version, status, reason = self._read_status()
  File "/usr/lib64/python2.7/httplib.py", line 379, in _read_status
    raise BadStatusLine(line)
httplib.BadStatusLine: ''


FATAL: all hosts have already failed -- aborting

PLAY RECAP ********************************************************************
           to retry, use: --limit @/root/master.retry

ip-172-31-57-168.ec2.internal : ok=37   changed=14   unreachable=0    failed=1



Here is the YAML :
- uri: >
    url=http://{{ mule_urlagent }}:7777/mmc-support
    method=POST
    user=admin
    password=admin
    return_content=yes
    HEADER_Content-Type="'application/json' ec2-54-165-243-43.compute-1.amazonaws.com:8080/mmc/api/servers"