Error handling request while adding ONVIF camera

The problem

I am trying to add a "protecthome" camera through the integration ONVIF. The integration recognize the correct IP automatically. I fill in the details with port=554, the correct username and password. When I submit the interface I get the loading animatino for about 60 seconds, after that the procedure fails with "Unknown error occurred".

Expected behaviour: the camera is succesfully added via the automatic procedure (or a more specific description of the error is showed).

What version of Home Assistant Core has the issue?

core-2021.12.8

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

onvif

Link to integration documentation on our website

https://www.home-assistant.io/integrations/onvif

Example YAML snippet

No response

Anything in the logs that might be useful for us?

Logger: aiohttp.server
Source: components/onvif/config_flow.py:198
First occurred: 17:23:26 (1 occurrences)
Last logged: 17:23:26

Error handling request
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/h11/_state.py", line 249, in _fire_event_triggered_transitions
    new_state = EVENT_TRIGGERED_TRANSITIONS[role][state][event_type]
KeyError: <class 'h11._events.ConnectionClosed'>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/httpcore/_exceptions.py", line 8, in map_exceptions
    yield
  File "/usr/local/lib/python3.9/site-packages/httpcore/_async/http11.py", line 169, in _receive_event
    event = self._h11_state.next_event()
  File "/usr/local/lib/python3.9/site-packages/h11/_connection.py", line 443, in next_event
    exc._reraise_as_remote_protocol_error()
  File "/usr/local/lib/python3.9/site-packages/h11/_util.py", line 76, in _reraise_as_remote_protocol_error
    raise self
  File "/usr/local/lib/python3.9/site-packages/h11/_connection.py", line 427, in next_event
    self._process_event(self.their_role, event)
  File "/usr/local/lib/python3.9/site-packages/h11/_connection.py", line 242, in _process_event
    self._cstate.process_event(role, type(event), server_switch_event)
  File "/usr/local/lib/python3.9/site-packages/h11/_state.py", line 238, in process_event
    self._fire_event_triggered_transitions(role, event_type)
  File "/usr/local/lib/python3.9/site-packages/h11/_state.py", line 251, in _fire_event_triggered_transitions
    raise LocalProtocolError(
h11._util.RemoteProtocolError: can't handle event type ConnectionClosed when role=SERVER and state=SEND_RESPONSE

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/httpx/_transports/default.py", line 60, in map_httpcore_exceptions
    yield
  File "/usr/local/lib/python3.9/site-packages/httpx/_transports/default.py", line 291, in handle_async_request
    resp = await self._pool.handle_async_request(req)
  File "/usr/local/lib/python3.9/site-packages/httpcore/_async/connection_pool.py", line 248, in handle_async_request
    raise exc
  File "/usr/local/lib/python3.9/site-packages/httpcore/_async/connection_pool.py", line 232, in handle_async_request
    response = await connection.handle_async_request(request)
  File "/usr/local/lib/python3.9/site-packages/httpcore/_async/connection.py", line 94, in handle_async_request
    return await self._connection.handle_async_request(request)
  File "/usr/local/lib/python3.9/site-packages/httpcore/_async/http11.py", line 102, in handle_async_request
    raise exc
  File "/usr/local/lib/python3.9/site-packages/httpcore/_async/http11.py", line 81, in handle_async_request
    ) = await self._receive_response_headers(**kwargs)
  File "/usr/local/lib/python3.9/site-packages/httpcore/_async/http11.py", line 143, in _receive_response_headers
    event = await self._receive_event(timeout=timeout)
  File "/usr/local/lib/python3.9/site-packages/httpcore/_async/http11.py", line 169, in _receive_event
    event = self._h11_state.next_event()
  File "/usr/local/lib/python3.9/contextlib.py", line 137, in __exit__
    self.gen.throw(typ, value, traceback)
  File "/usr/local/lib/python3.9/site-packages/httpcore/_exceptions.py", line 12, in map_exceptions
    raise to_exc(exc)
httpcore.RemoteProtocolError: can't handle event type ConnectionClosed when role=SERVER and state=SEND_RESPONSE

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/aiohttp/web_protocol.py", line 435, in _handle_request
    resp = await request_handler(request)
  File "/usr/local/lib/python3.9/site-packages/aiohttp/web_app.py", line 504, in _handle
    resp = await handler(request)
  File "/usr/local/lib/python3.9/site-packages/aiohttp/web_middlewares.py", line 117, in impl
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/security_filter.py", line 60, in security_filter_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/forwarded.py", line 98, in forwarded_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/request_context.py", line 28, in request_context_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/ban.py", line 78, in ban_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/auth.py", line 181, in auth_middleware
    return await handler(request)
  File "/usr/src/homeassistant/homeassistant/components/http/view.py", line 137, in handle
    result = await result
  File "/usr/src/homeassistant/homeassistant/components/config/config_entries.py", line 157, in post
    return await super().post(request, flow_id)
  File "/usr/src/homeassistant/homeassistant/components/http/data_validator.py", line 62, in wrapper
    result = await method(view, request, *args, **kwargs)
  File "/usr/src/homeassistant/homeassistant/helpers/data_entry_flow.py", line 110, in post
    result = await self._flow_mgr.async_configure(flow_id, data)
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 252, in async_configure
    result = await self._async_handle_step(flow, cur_step["step_id"], user_input)
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 325, in _async_handle_step
    result: FlowResult = await getattr(flow, method)(user_input)
  File "/usr/src/homeassistant/homeassistant/components/onvif/config_flow.py", line 158, in async_step_configure
    return await self.async_setup_profiles()
  File "/usr/src/homeassistant/homeassistant/components/onvif/config_flow.py", line 198, in async_setup_profiles
    await device.update_xaddrs()
  File "/usr/local/lib/python3.9/site-packages/onvif/client.py", line 297, in update_xaddrs
    capabilities = await devicemgmt.GetCapabilities({"Category": "All"})
  File "/usr/local/lib/python3.9/site-packages/zeep/proxy.py", line 64, in __call__
    return await self._proxy._binding.send_async(
  File "/usr/local/lib/python3.9/site-packages/zeep/wsdl/bindings/soap.py", line 156, in send_async
    response = await client.transport.post_xml(
  File "/usr/local/lib/python3.9/site-packages/zeep/transports.py", line 230, in post_xml
    response = await self.post(address, message, headers)
  File "/usr/local/lib/python3.9/site-packages/zeep/transports.py", line 215, in post
    response = await self.client.post(
  File "/usr/local/lib/python3.9/site-packages/httpx/_client.py", line 1827, in post
    return await self.request(
  File "/usr/local/lib/python3.9/site-packages/httpx/_client.py", line 1513, in request
    return await self.send(request, auth=auth, follow_redirects=follow_redirects)
  File "/usr/local/lib/python3.9/site-packages/httpx/_client.py", line 1600, in send
    response = await self._send_handling_auth(
  File "/usr/local/lib/python3.9/site-packages/httpx/_client.py", line 1628, in _send_handling_auth
    response = await self._send_handling_redirects(
  File "/usr/local/lib/python3.9/site-packages/httpx/_client.py", line 1665, in _send_handling_redirects
    response = await self._send_single_request(request)
  File "/usr/local/lib/python3.9/site-packages/httpx/_client.py", line 1702, in _send_single_request
    response = await transport.handle_async_request(request)
  File "/usr/local/lib/python3.9/site-packages/httpx/_transports/default.py", line 291, in handle_async_request
    resp = await self._pool.handle_async_request(req)
  File "/usr/local/lib/python3.9/contextlib.py", line 137, in __exit__
    self.gen.throw(typ, value, traceback)
  File "/usr/local/lib/python3.9/site-packages/httpx/_transports/default.py", line 77, in map_httpcore_exceptions
    raise mapped_exc(message) from exc
httpx.RemoteProtocolError: can't handle event type ConnectionClosed when role=SERVER and state=SEND_RESPONSE

Additional information

Here are some observation after some trials I run: 1) The camera is successfully working with other software (iSpy), so I have the correct username/password/port (as working network address, it reports "http://192.168.50.77/onvif/device_service" on port 554) 2) The error occurs also with a non-correct username - password, still waiting about 60 seconds before showing 3) The error "Unknown error occurred" shows also when I choose a random port, which is closed on the device. This time, however, it shows up almost immediately, without the 60-seconds waiting time.

home-assistant / core