Smartmeter.com CERTIFICATE_VERIFY_FAILED

Configuration
1

Started getting the below error on 10/11 and was not sure if anyone else was having an issue.

I have not received any updates since the error started.

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/aiohttp/connector.py", line 969, in _wrap_create_connection
    return await self._loop.create_connection(*args, **kwargs)  # type: ignore  # noqa
  File "/usr/local/lib/python3.9/asyncio/base_events.py", line 1081, in create_connection
    transport, protocol = await self._create_connection_transport(
  File "/usr/local/lib/python3.9/asyncio/base_events.py", line 1111, in _create_connection_transport
    await waiter
  File "/usr/local/lib/python3.9/asyncio/sslproto.py", line 528, in data_received
    ssldata, appdata = self._sslpipe.feed_ssldata(data)
  File "/usr/local/lib/python3.9/asyncio/sslproto.py", line 188, in feed_ssldata
    self._sslobj.do_handshake()
  File "/usr/local/lib/python3.9/ssl.py", line 944, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch, certificate is not valid for 'smartmetertexas.com'. (_ssl.c:1129)

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2

Looks like their (recent) certificate only allows “www.smartmetertexas.com”, but the backend python library uses “smartmetertexas.com”.

Open an issue, if not already done.

3

Thanks. Looks like someone already opened one: https://github.com/home-assistant/core/issues/57582

I always forget to check github.