search fails with ConnectionError

Philip (2018-03-09 16:15)
Environment:

Request Method: GET
Request URL: http://192.168.56.101/ui/search/?fulltext=bain

Django Version: 1.7.11
Python Version: 2.7.13
Installed Applications:
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'bootstrap_pagination',
 'djcelery',
 'gunicorn',
 'rest_framework',
 'sorl.thumbnail',
 'ddrlocal',
 'storage',
 'webui')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware')

Traceback:
File "/opt/ddr-local/venv/ddrlocal/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
  111.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/opt/ddr-local/ddrlocal/webui/decorators.py" in inner
  53.         return func(request, *args, **kwargs)
File "/opt/ddr-local/ddrlocal/webui/views/search.py" in search_ui
  170.         results = searcher.execute(limit, offset)
File "/opt/ddr-local/ddrlocal/webui/search.py" in execute
  335.         response = self.s[start:stop].execute()
File "/opt/ddr-local/venv/ddrlocal/lib/python2.7/site-packages/elasticsearch_dsl/search.py" in execute
  627.                     **self._params
File "/opt/ddr-local/venv/ddrlocal/lib/python2.7/site-packages/elasticsearch/client/utils.py" in _wrapped
  69.             return func(*args, params=params, **kwargs)
File "/opt/ddr-local/venv/ddrlocal/lib/python2.7/site-packages/elasticsearch/client/__init__.py" in search
  539.             doc_type, '_search'), params=params, body=body)
File "/opt/ddr-local/venv/ddrlocal/lib/python2.7/site-packages/elasticsearch/transport.py" in perform_request
  327.                 status, headers, data = connection.perform_request(method, url, params, body, ignore=ignore, timeout=timeout)
File "/opt/ddr-local/venv/ddrlocal/lib/python2.7/site-packages/elasticsearch/connection/http_urllib3.py" in perform_request
  106.             raise ConnectionError('N/A', str(e), e)

Exception Type: ConnectionError at /ui/search/
Exception Value: ConnectionError(<urllib3.connection.HTTPConnection object at 0x7fb123b2a590>: Failed to establish a new connection: [Errno 111] Connection refused) caused by: NewConnectionError(<urllib3.connection.HTTPConnection object at 0x7fb123b2a590>: Failed to establish a new connection: [Errno 111] Connection refused)
denshoproject / ddr-cmdln

search fails with ConnectionError #60
