Error: Can't handle event type ConnectionClosed when role=SERVER and state=SEND_RESPONSE

[glensc]

Refs

• Refactor: Use niquests rather requests Taxel/PlexTraktSync#2081

Expected Result

Actual Result

Error and trace

2024-10-21 19:16:55,413 DEBUG[plexapi]:GET https://redacted.plex.direct:32400/library/sections/8/all?includeCollections=0&type=4&X-Plex-Container-Size=0&X-Plex-Container-Start=0
2024-10-21 19:16:55,417 ERROR[plextraktsync.cli]:can't handle event type ConnectionClosed when role=SERVER and state=SEND_RESPONSE

Traceback (most recent call last):
  File "python-3.9/lib/python3.9/site-packages/niquests/adapters.py", line 941, in send
    resp_or_promise = conn.urlopen(  # type: ignore[call-overload,misc]
  File "python-3.9/lib/python3.9/site-packages/urllib3/connectionpool.py", line 1698, in urlopen
    retries = retries.increment(
  File "python-3.9/lib/python3.9/site-packages/urllib3/util/retry.py", line 499, in increment
    raise reraise(type(error), error, _stacktrace)
  File "python-3.9/lib/python3.9/site-packages/urllib3/util/util.py", line 39, in reraise
    raise value
  File "python-3.9/lib/python3.9/site-packages/urllib3/connectionpool.py", line 1619, in urlopen
    response = self._make_request(  # type: ignore[call-overload,misc]
  File "python-3.9/lib/python3.9/site-packages/urllib3/connectionpool.py", line 1263, in _make_request
    response = conn.getresponse(
  File "python-3.9/lib/python3.9/site-packages/urllib3/connection.py", line 596, in getresponse
    low_response = super().getresponse(
  File "python-3.9/lib/python3.9/site-packages/urllib3/backend/hface.py", line 1364, in getresponse
    head_event: HeadersReceived | EarlyHeadersReceived = self.__exchange_until(  # type: ignore[assignment]
  File "python-3.9/lib/python3.9/site-packages/urllib3/backend/hface.py", line 961, in __exchange_until
    raise ProtocolError(event.message)
urllib3.exceptions.ProtocolError: 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 "plextraktsync/cli.py", line 28, in wrap
    cmd(*args, **kwargs)
  File "plextraktsync/commands/sync.py", line 74, in sync
    run_async(runner, walker=w, dry_run=config.dry_run)
  File "python-3.9/lib/python3.9/site-packages/decorator.py", line 232, in fun
    return caller(func, *(extras + args), **kw)
  File "plextraktsync/decorators/coro.py", line 15, in coro
    return asyncio.run(f(*args, **kwargs))
  File "/opt/homebrew/Cellar/[email protected]/3.9.20/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "/opt/homebrew/Cellar/[email protected]/3.9.20/Frameworks/Python.framework/Versions/3.9/lib/python3.9/asyncio/base_events.py", line 647, in run_until_complete
    return future.result()
  File "plextraktsync/commands/sync.py", line 13, in run_async
    await runner.sync(**kwargs)
  File "plextraktsync/sync/Sync.py", line 52, in sync
    async for episode in walker.find_episodes():
  File "plextraktsync/plan/Walker.py", line 134, in find_episodes
    async for ep in self.episodes_from_sections(self.plan.show_sections):
  File "plextraktsync/plan/Walker.py", line 185, in episodes_from_sections
    async for m in it:
  File "plextraktsync/plan/Walker.py", line 204, in progressbar
    pb = self._progressbar(iterable, **kwargs)
  File "plextraktsync/rich/RichProgressBar.py", line 11, in __init__
    total = len(iterable)
  File "plextraktsync/plex/PlexSectionPager.py", line 22, in __len__
    return self.total_size
  File "/opt/homebrew/Cellar/[email protected]/3.9.20/Frameworks/Python.framework/Versions/3.9/lib/python3.9/functools.py", line 993, in __get__
    val = self.func(instance)
  File "plextraktsync/plex/PlexSectionPager.py", line 26, in total_size
    return self.section.totalViewSize(libtype=self.libtype, includeCollections=False)
  File "python-3.9/lib/python3.9/site-packages/plexapi/library.py", line 528, in totalViewSize
    data = self._server.query(part)
  File "python-3.9/lib/python3.9/site-packages/plexapi/server.py", line 760, in query
    response = method(url, headers=headers, params=params, timeout=timeout, **kwargs)
  File "python-3.9/lib/python3.9/site-packages/requests_cache/session.py", line 127, in get
    return self.request('GET', url, params=params, **kwargs)
  File "python-3.9/lib/python3.9/site-packages/requests_cache/session.py", line 183, in request
    return super().request(method, url, *args, headers=headers, **kwargs)  # type: ignore
  File "python-3.9/lib/python3.9/site-packages/niquests/sessions.py", line 563, in request
    resp = self.send(prep, **send_kwargs)
  File "python-3.9/lib/python3.9/site-packages/requests_cache/session.py", line 230, in send
    response = self._send_and_cache(request, actions, cached_response, **kwargs)
  File "python-3.9/lib/python3.9/site-packages/requests_cache/session.py", line 254, in _send_and_cache
    response = super().send(request, **kwargs)
  File "python-3.9/lib/python3.9/site-packages/niquests/sessions.py", line 1223, in send
    r = adapter.send(request, **kwargs)
  File "python-3.9/lib/python3.9/site-packages/niquests/adapters.py", line 978, in send
    raise ConnectionError(err, request=request)
niquests.exceptions.ConnectionError: can't handle event type ConnectionClosed when role=SERVER and state=SEND_RESPONSE

Reproduction Steps

So far it has happened only once, not sure how to reproduce.

System Information

$ python -m niquests.help

{
  "charset_normalizer": {
    "version": "3.4.0"
  },
  "http1": {
    "h11": "0.14.0"
  },
  "http2": {
    "jh2": "5.0.3"
  },
  "http3": {
    "enabled": true,
    "qh3": "1.2.1"
  },
  "idna": {
    "version": "3.10"
  },
  "implementation": {
    "name": "CPython",
    "version": "3.9.20"
  },
  "niquests": {
    "version": "3.10.0"
  },
  "ocsp": {
    "enabled": true
  },
  "platform": {
    "release": "23.6.0",
    "system": "Darwin"
  },
  "system_ssl": {
    "version": "30300020"
  },
  "urllib3.future": {
    "cohabitation_version": null,
    "version": "2.11.901"
  },
  "wassima": {
    "certifi_fallback": false,
    "enabled": true,
    "version": "1.1.4"
  }
}

[Ousret]

It is fixed via linked PR.

regards,

[glensc]

Super! I hope this is last one :)

Altho I have noticed some stuck state, i.e nothing is happening (nothing in logs and progressbar stops), but I have not confirmed it's due switching libraries yet.