Cleanup errors are silenced by gunicorn worke

[ods]

GunicornWebWorker explicitly suppresses all exceptions when calling _run method. Thus any exception in on_cleanup handler passes silently and farther handlers of the signal (if any) are not called.

There is a plenty of places in aiohttp probably with the same problem:

$ grep --include='*.py' -nF 'with suppress(Exception)' -R aiohttp
aiohttp/client_proto.py:70:            with suppress(Exception):
aiohttp/connector.py:139:            with suppress(Exception):
aiohttp/helpers.py:464:        with suppress(Exception):
aiohttp/helpers.py:517:            with suppress(Exception):
aiohttp/web_protocol.py:518:                with suppress(Exception):
aiohttp/worker.py:71:        with suppress(Exception):  # ignore all finalization problems

[aio-libs-bot]

GitMate.io thinks the contributor most likely able to help you is @asvetlov.

Possibly related issues are #3242 (Error), #1203 (CookieJar error), #429 (Websocket error), #816 (Logging error), and #1762 (secure_proxy_ssl_header with gunicorn).

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