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Random failure of test_TCPServer() of test.test_socketserver.SocketServerTest and test_handle_accept() of test.test_asyncore.TestAPI_UseIPv6Select on FreeBSD buildbots #71971

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vstinner opened this issue Aug 17, 2016 · 5 comments
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Random failure of test_TCPServer() of test.test_socketserver.SocketServerTest and test_handle_accept() of test.test_asyncore.TestAPI_UseIPv6Select on FreeBSD buildbots #71971

vstinner opened this issue Aug 17, 2016 · 5 comments
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tests Tests in the Lib/test dir type-bug An unexpected behavior, bug, or error

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@vstinner
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BPO 27784
Nosy @vstinner, @berkerpeksag, @vadmium, @koobs
Superseder
  • bpo-30319: Change socket.close() to ignore ECONNRESET
    		•

    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

    Show more details

    GitHub fields:

    assignee = None
closed_at = <Date 2016-12-05.17:35:40.044>
created_at = <Date 2016-08-17.08:23:42.030>
labels = ['type-bug', 'tests']
title = 'Random failure of test_TCPServer() of test.test_socketserver.SocketServerTest and test_handle_accept() of test.test_asyncore.TestAPI_UseIPv6Select on FreeBSD buildbots'
updated_at = <Date 2017-07-04.14:56:54.571>
user = 'https://github.com/vstinner'

    bugs.python.org fields:

    activity = <Date 2017-07-04.14:56:54.571>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2016-12-05.17:35:40.044>
closer = 'vstinner'
components = ['Tests']
creation = <Date 2016-08-17.08:23:42.030>
creator = 'vstinner'
dependencies = []
files = []
hgrepos = []
issue_num = 27784
keywords = []
message_count = 5.0
messages = ['272910', '273001', '273382', '282444', '297667']
nosy_count = 4.0
nosy_names = ['vstinner', 'berker.peksag', 'martin.panter', 'koobs']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'needs patch'
status = 'closed'
superseder = '30319'
type = 'behavior'
url = 'https://bugs.python.org/issue27784'
versions = ['Python 3.6']
    @vstinner
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    http://buildbot.python.org/all/builders/AMD64%20FreeBSD%2010.x%20Shared%203.x/builds/4760/steps/test/logs/stdio

    test_handle_accept (test.test_asyncore.TestAPI_UseIPv6Select) ... ERROR

    ======================================================================
    ERROR: test_handle_accept (test.test_asyncore.TestAPI_UseIPv6Select)
    ----------------------------------------------------------------------

    Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/test_asyncore.py", line 500, in tearDown
    asyncore.close_all()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/asyncore.py", line 561, in close_all
    x.close()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/asyncore.py", line 397, in close
    self.socket.close()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socket.py", line 407, in close
    self._real_close()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socket.py", line 401, in _real_close
    _ss.close(self)
ConnectionResetError: [Errno 54] Connection reset by peer

----------------------------------------------------------------------


0:15:27 [319/402/4] test_socketserver failed -- running: test_tokenize (190 sec), test_datetime (279 sec), test_tools (194 sec)
(...)
test_TCPServer (test.test_socketserver.SocketServerTest) ... creating server
ADDR = ('127.0.0.1', 42875)
CLASS = <class 'socketserver.TCPServer'>
server running
test client 0
test client 1
Exception in thread <class 'socketserver.TCPServer'> serving:
Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socketserver.py", line 238, in serve_forever
    self._handle_request_noblock()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socketserver.py", line 319, in _handle_request_noblock
    self.handle_error(request, client_address)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socketserver.py", line 317, in _handle_request_noblock
    self.process_request(request, client_address)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socketserver.py", line 349, in process_request
    self.shutdown_request(request)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socketserver.py", line 510, in shutdown_request
    self.close_request(request)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socketserver.py", line 514, in close_request
    request.close()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socket.py", line 407, in close
    self._real_close()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/socket.py", line 401, in _real_close
    _ss.close(self)
ConnectionResetError: [Errno 54] Connection reset by peer

    ERROR
    /usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/case.py:628: ResourceWarning: unclosed <socket.socket fd=5, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=0, laddr=('127.0.0.1', 42877), raddr=('127.0.0.1', 42875)>
    outcome.errors.clear()
    /usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/unittest/case.py:628: ResourceWarning: unclosed <socket.socket fd=4, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=0, laddr=('127.0.0.1', 42875)>
    outcome.errors.clear()
    (...)
    ======================================================================
    ERROR: test_TCPServer (test.test_socketserver.SocketServerTest)
    ----------------------------------------------------------------------

    Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/test_socketserver.py", line 175, in test_TCPServer
    self.stream_examine)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/support/__init__.py", line 1956, in decorator
    return func(*args)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/test_socketserver.py", line 141, in run_server
    testfunc(svrcls.address_family, addr)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/test_socketserver.py", line 153, in stream_examine
    buf = data = receive(s, 100)
  File "/usr/home/buildbot/python/3.x.koobs-freebsd10/build/Lib/test/test_socketserver.py", line 46, in receive
    raise RuntimeError("timed out on %r" % (sock,))
RuntimeError: timed out on <socket.socket fd=5, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=0, laddr=('127.0.0.1', 42877), raddr=('127.0.0.1', 42875)>

    Ran 25 tests in 25.825s

    @vadmium
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    vadmium commented Aug 17, 2016

    I think I have seen these kind of errors pop up randomly on various tests on Free BSD buildbots (at least in the last few months or so).

    Are the buildbots so overloaded that they drop localhost connections? Or are localhost TCP connections generally just that unreliable on Free BSD? Or is something else going on? I’m not faimilar with the OS.

    This only seems to affect 3.6, not the equivalent 3.5 buildbot.

    @berkerpeksag
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    Here is another one on koobs-freebsd10: http://buildbot.python.org/all/builders/AMD64%20FreeBSD%2010.x%20Shared%203.x/builds/4809/steps/test/logs/stdio test_handle_accept was fine this time.

    And this one is from koobs-freebsd9:

    ======================================================================
    ERROR: test_handle_accept (test.test_asyncore.TestAPI_UseIPv6Select)
    ----------------------------------------------------------------------

    Traceback (most recent call last):
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/test/test_asyncore.py", line 500, in tearDown
    asyncore.close_all()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/asyncore.py", line 561, in close_all
    x.close()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/asyncore.py", line 397, in close
    self.socket.close()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/socket.py", line 407, in close
    self._real_close()
  File "/usr/home/buildbot/python/3.x.koobs-freebsd9/build/Lib/socket.py", line 401, in _real_close
    _ss.close(self)
ConnectionResetError: [Errno 54] Connection reset by peer

    http://buildbot.python.org/all/builders/AMD64%20FreeBSD%209.x%203.x/builds/4705/steps/test/logs/stdio

    @berkerpeksag berkerpeksag added tests Tests in the Lib/test dir type-bug An unexpected behavior, bug, or error labels Aug 22, 2016
    @vstinner
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    vstinner commented Dec 5, 2016

    I didn't look at buildbots recently, and I don't have access to FreeBSD, so I just close the issue :-/

    @vstinner vstinner closed this as completed Dec 5, 2016
    @vstinner
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    vstinner commented Jul 4, 2017

    Duplicate of bpo-30319.

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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