[New-bugs-announce] [issue38856] wait_closed() can raise ConnectionResetError

[Yury Selivanov]

New submission from Yury Selivanov <yselivanov at gmail.com>:

The exception should probably be just ignored.  Andrew, thoughts?

Here's an example error traceback:

      Traceback (most recent call last):
        File "c:\projects\asyncpg\asyncpg\connection.py", line 1227, in _cancel
          await w.wait_closed()
        File "C:\Python38\lib\asyncio\streams.py", line 376, in wait_closed
          await self._protocol._get_close_waiter(self)
        File "c:\projects\asyncpg\asyncpg\connection.py", line 1202, in _cancel
          await r.read()  # Wait until EOF
        File "C:\Python38\lib\asyncio\streams.py", line 694, in read
          block = await self.read(self._limit)
        File "C:\Python38\lib\asyncio\streams.py", line 701, in read
          await self._wait_for_data('read')
        File "C:\Python38\lib\asyncio\streams.py", line 534, in _wait_for_data
          await self._waiter
        File "C:\Python38\lib\asyncio\proactor_events.py", line 280, in _loop_reading
          data = fut.result()
        File "C:\Python38\lib\asyncio\windows_events.py", line 808, in _poll
          value = callback(transferred, key, ov)
        File "C:\Python38\lib\asyncio\windows_events.py", line 457, in finish_recv
          raise ConnectionResetError(*exc.args)
      ConnectionResetError: [WinError 64] The specified network name is no longer available

----------
messages: 356996
nosy: asvetlov, lukasz.langa, yselivanov
priority: release blocker
severity: normal
status: open
title: wait_closed() can raise ConnectionResetError
versions: Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38856>
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