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docker-python-geoserver's Issues

Docker returns ConnectionError with OWSlib

When I try to use DOMAIN, WORKSPACE and LAYER_NAME from dockerized Geoserver I see the error below. The error doesn't appear if I use environment variables from any Geoserver's version outside this Docker container.

requests.exceptions.ConnectionError: 
HTTPConnectionPool(host='0.0.0.0', port=8300): 
Max retries exceeded with url: /geoserver/test/wms?service=WMS&request=GetCapabilities&version=1.3.0 
(Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7ff4fa260130>: 
Failed to establish a new connection: [Errno 111] Connection refused'))

Traceback (most recent call last)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/connection.py", line 174, in _new_conn

    conn = connection.create_connection(

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/util/connection.py", line 95, in create_connection

    raise err

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/util/connection.py", line 85, in create_connection

    sock.connect(sa)

    During handling of the above exception, another exception occurred:
    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/connectionpool.py", line 703, in urlopen

    httplib_response = self._make_request(

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/connectionpool.py", line 398, in _make_request

    conn.request(method, url, **httplib_request_kw)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/connection.py", line 239, in request

    super(HTTPConnection, self).request(method, url, body=body, headers=headers)

    File "/usr/lib/python3.8/http/client.py", line 1256, in request

    self._send_request(method, url, body, headers, encode_chunked)

    File "/usr/lib/python3.8/http/client.py", line 1302, in _send_request

    self.endheaders(body, encode_chunked=encode_chunked)

    File "/usr/lib/python3.8/http/client.py", line 1251, in endheaders

    self._send_output(message_body, encode_chunked=encode_chunked)

    File "/usr/lib/python3.8/http/client.py", line 1011, in _send_output

    self.send(msg)

    File "/usr/lib/python3.8/http/client.py", line 951, in send

    self.connect()

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/connection.py", line 205, in connect

    conn = self._new_conn()

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/connection.py", line 186, in _new_conn

    raise NewConnectionError(

    During handling of the above exception, another exception occurred:
    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/requests/adapters.py", line 489, in send

    resp = conn.urlopen(

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/connectionpool.py", line 787, in urlopen

    retries = retries.increment(

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/urllib3/util/retry.py", line 592, in increment

    raise MaxRetryError(_pool, url, error or ResponseError(cause))

    During handling of the above exception, another exception occurred:
    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/flask/app.py", line 2548, in __call__

    return self.wsgi_app(environ, start_response)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/flask/app.py", line 2528, in wsgi_app

    response = self.handle_exception(e)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/flask/app.py", line 2525, in wsgi_app

    response = self.full_dispatch_request()

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/flask/app.py", line 1822, in full_dispatch_request

    rv = self.handle_user_exception(e)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/flask/app.py", line 1820, in full_dispatch_request

    rv = self.dispatch_request()

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/flask/app.py", line 1796, in dispatch_request

    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)

    File "/app/web/app/app.py", line 13, in start_api

    output = get_wms_data(

    File "/app/web/app/api.py", line 32, in get_wms_data

    wms = WebMapService(url=wms_url, version=service_version)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/owslib/wms.py", line 54, in WebMapService

    return wms130.WebMapService_1_3_0(

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/owslib/map/wms130.py", line 75, in __init__

    self._capabilities = reader.read(self.url, timeout=self.timeout)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/owslib/map/common.py", line 65, in read

    u = openURL(spliturl[0], spliturl[1], method='Get',

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/owslib/util.py", line 208, in openURL

    req = requests.request(method.upper(), url_base, headers=headers, **rkwargs)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/requests/api.py", line 59, in request

    return session.request(method=method, url=url, **kwargs)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/requests/sessions.py", line 587, in request

    resp = self.send(prep, **send_kwargs)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/requests/sessions.py", line 701, in send

    r = adapter.send(request, **kwargs)

    File "/opt/.cache/virtualenvs/test-python-dockergeoserver-X9LT3yzX-py3.8/lib/python3.8/site-packages/requests/adapters.py", line 565, in send

    raise ConnectionError(e, request=request)

    requests.exceptions.ConnectionError: 
HTTPConnectionPool(host='0.0.0.0', port=8300): 
Max retries exceeded with url: /geoserver/test/wms?service=WMS&request=GetCapabilities&version=1.3.0 
(Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7ff4fa260130>: 
Failed to establish a new connection: [Errno 111] Connection refused'))

The debugger caught an exception in your WSGI application. You can now look at the traceback which led to the error.

To switch between the interactive traceback and the plaintext one, you can click on the "Traceback" headline. From the text traceback you can also create a paste of it. For code execution mouse-over the frame you want to debug and click on the console icon on the right side.

You can execute arbitrary Python code in the stack frames and there are some extra helpers available for introspection:

    dump() shows all variables in the frame
    dump(obj) dumps all that's known about the object

To reproduce the error:

  1. docker compose -f docker-compose.yml up -d --build

  2. loggin into Geoserver http://0.0.0.0:8300/geoserver using:

    • user: admin
    • password: geoserver

  3. create a new workspace: click on Workspace > Add new workspace here the official guide:

    • Name: test
    • Namespace URI: /
    • Click on Save

  4. create a new store: click on Stores > Add new Store and click on WMS here the official guide:

    4.1. publish WMS: click on Publish near atacama_20160108

  5. stop project: docker compose -f docker-compose.yml stop

  6. change environment variable: go to .env:

  7. restart project: docker compose -f docker-compose.yml up -d --build

  8. go to http://0.0.0.0:8301/

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