STINNER Victor <vstinner@python.org> added the comment:
test.test_asyncio.test_events.SelectEventLoopTests.test_create_server_ssl_verified fails randomly and emits an "unraisable exception".
Logs:
+ /home/vstinner/python/master/python -m test --matchfile /tmp/tmpz2f1v5aq test_asyncio --fail-env-changed -v
== CPython 3.10.0a0 (heads/master:0ee0b2938c, Aug 11 2020, 15:50:20) [GCC 8.3.1 20191121 (Red Hat 8.3.1-5)]
== Linux-4.18.0-193.14.3.el8_2.aarch64-aarch64-with-glibc2.28 little-endian
== cwd: /home/vstinner/python/master/build/test_python_585912æ
== CPU count: 8
== encodings: locale=UTF-8, FS=utf-8
0:00:00 load avg: 7.50 Run tests sequentially
0:00:00 load avg: 7.50 [1/1] test_asyncio
test_create_server_ssl_verified (test.test_asyncio.test_events.SelectEventLoopTests) ... /home/vstinner/python/master/Lib/test/support/__init__.py:597: ResourceWarning: unclosed <socket.socket fd=7, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=6, laddr=('127.0.0.1', 43285), raddr=('127.0.0.1', 408
58)>
gc.collect()
ResourceWarning: Enable tracemalloc to get the object allocation traceback
Task was destroyed but it is pending!
task: <Task pending name='Task-4' coro=<BaseSelectorEventLoop._accept_connection2() running at /home/vstinner/python/master/Lib/asyncio/selector_events.py:216> wait_for=<Future pending cb=[<TaskWakeupMethWrapper object at 0xffffa04b9350>()]>>
/home/vstinner/python/master/Lib/asyncio/sslproto.py:320: ResourceWarning: unclosed transport <asyncio.sslproto._SSLProtocolTransport object at 0xffffa01d48a0>
_warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
ResourceWarning: Enable tracemalloc to get the object allocation traceback
Warning -- Unraisable exception
Exception ignored in: <function _SSLProtocolTransport.__del__ at 0xffffa09f0910>
Traceback (most recent call last):
File "/home/vstinner/python/master/Lib/asyncio/sslproto.py", line 321, in __del__
self.close()
File "/home/vstinner/python/master/Lib/asyncio/sslproto.py", line 316, in close
self._ssl_protocol._start_shutdown()
File "/home/vstinner/python/master/Lib/asyncio/sslproto.py", line 590, in _start_shutdown
self._abort()
File "/home/vstinner/python/master/Lib/asyncio/sslproto.py", line 731, in _abort
self._transport.abort()
File "/home/vstinner/python/master/Lib/asyncio/selector_events.py", line 678, in abort
self._force_close(None)
File "/home/vstinner/python/master/Lib/asyncio/selector_events.py", line 729, in _force_close
self._loop.call_soon(self._call_connection_lost, exc)
File "/home/vstinner/python/master/Lib/asyncio/base_events.py", line 746, in call_soon
self._check_closed()
File "/home/vstinner/python/master/Lib/asyncio/base_events.py", line 510, in _check_closed
raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed
/home/vstinner/python/master/Lib/asyncio/selector_events.py:702: ResourceWarning: unclosed transport <_SelectorSocketTransport closing fd=7>
_warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
ResourceWarning: Enable tracemalloc to get the object allocation traceback
ERROR
/home/vstinner/python/master/Lib/unittest/case.py:620: ResourceWarning: unclosed <socket.socket fd=5, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=6, laddr=('127.0.0.1', 43285)>
outcome.errors.clear()
ResourceWarning: Enable tracemalloc to get the object allocation traceback
======================================================================
ERROR: test_create_server_ssl_verified (test.test_asyncio.test_events.SelectEventLoopTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/home/vstinner/python/master/Lib/test/test_asyncio/test_events.py", line 1110, in test_create_server_ssl_verified
proto.transport.close()
AttributeError: 'NoneType' object has no attribute 'close'
----------------------------------------------------------------------
Ran 1 test in 0.218s
FAILED (errors=1)
/home/vstinner/python/master/Lib/asyncio/sslproto.py:320: ResourceWarning: unclosed transport <asyncio.sslproto._SSLProtocolTransport object at 0xffffa01baec0>
_warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
ResourceWarning: Enable tracemalloc to get the object allocation traceback
Fatal error on SSL transport
protocol: <asyncio.sslproto.SSLProtocol object at 0xffffa001b1e0>
transport: <_SelectorSocketTransport closing fd=6>
Traceback (most recent call last):
File "/home/vstinner/python/master/Lib/test/libregrtest/runtest.py", line 236, in _runtest_inner2
test_runner()
File "/home/vstinner/python/master/Lib/test/libregrtest/runtest.py", line 211, in _test_module
support.run_unittest(tests)
File "/home/vstinner/python/master/Lib/test/support/__init__.py", line 1082, in run_unittest
_run_suite(suite)
File "/home/vstinner/python/master/Lib/test/support/__init__.py", line 974, in _run_suite
raise TestFailed(err)
test.support.TestFailed: Traceback (most recent call last):
File "/home/vstinner/python/master/Lib/test/test_asyncio/test_events.py", line 1110, in test_create_server_ssl_verified
proto.transport.close()
AttributeError: 'NoneType' object has no attribute 'close'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/vstinner/python/master/Lib/asyncio/selector_events.py", line 916, in write
n = self._sock.send(data)
ConnectionResetError: [Errno 104] Connection reset by peer
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/vstinner/python/master/Lib/asyncio/sslproto.py", line 684, in _process_write_backlog
self._transport.write(chunk)
File "/home/vstinner/python/master/Lib/asyncio/selector_events.py", line 922, in write
self._fatal_error(exc, 'Fatal write error on socket transport')
File "/home/vstinner/python/master/Lib/asyncio/selector_events.py", line 717, in _fatal_error
self._force_close(exc)
File "/home/vstinner/python/master/Lib/asyncio/selector_events.py", line 729, in _force_close
self._loop.call_soon(self._call_connection_lost, exc)
File "/home/vstinner/python/master/Lib/asyncio/base_events.py", line 746, in call_soon
self._check_closed()
File "/home/vstinner/python/master/Lib/asyncio/base_events.py", line 510, in _check_closed
raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed
/home/vstinner/python/master/Lib/asyncio/selector_events.py:702: ResourceWarning: unclosed transport <_SelectorSocketTransport closing fd=6>
_warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
ResourceWarning: Enable tracemalloc to get the object allocation traceback
test test_asyncio failed
test_asyncio failed
----------
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https://bugs.python.org/issue38912>
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