[issue9572] IOError in test_multiprocessing

[Florent Xicluna]

New submission from Florent Xicluna <florent.xicluna at gmail.com>:

This error occurred on "x86 Ubuntu 3.x" buildbot.
This is the 1st test on this run.
http://www.python.org/dev/buildbot/all/builders/x86%20Ubuntu%203.x/builds/1699/steps/test/logs/stdio

./python -Wd -E -bb ./Lib/test/regrtest.py -uall -rwW -l 
== CPython 3.2a1+ (py3k:83951, Aug 11 2010, 15:26:40) [GCC 4.2.4 (Ubuntu 4.2.4-1ubuntu4)]
==   Linux-2.6.31.5-linode21-i686-with-debian-lenny-sid little-endian
==   /srv/buildbot/buildarea/3.x.bolen-ubuntu/build/build/test_python_8258
Using random seed 426296
[  1/346] test_multiprocessing
Process Process-22:
Traceback (most recent call last):
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/process.py", line 233, in _bootstrap
    self.run()
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/process.py", line 88, in run
    self._target(*self._args, **self._kwargs)
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/test_multiprocessing.py", line 1253, in _putter
    manager.connect()
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/managers.py", line 478, in connect
    dispatch(conn, None, 'dummy')
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/managers.py", line 79, in dispatch
    kind, result = c.recv()
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/connection.py", line 408, in recv
    s = self._conn.recv_bytes()
EOFError
test test_multiprocessing failed -- Traceback (most recent call last):
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/importlib/_bootstrap.py", line 486, in set_data
    with _closing(_io.FileIO(path, 'wb')) as file:
IOError: [Errno 2] No such file or directory: '/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/xmlrpc/__pycache__/__init__.cpython-32.pyc'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/test/test_multiprocessing.py", line 1266, in test_rapid_restart
    queue = manager.get_queue()
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/managers.py", line 644, in temp
    token, exp = self._create(typeid, *args, **kwds)
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/managers.py", line 542, in _create
    conn = self._Client(self._address, authkey=self._authkey)
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/multiprocessing/connection.py", line 427, in XmlClient
    import xmlrpc.client as xmlrpclib
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/importlib/_bootstrap.py", line 450, in load_module
    return self._load_module(fullname)
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/importlib/_bootstrap.py", line 155, in decorated
    return fxn(self, module, *args, **kwargs)
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/importlib/_bootstrap.py", line 344, in _load_module
    code_object = self.get_code(name)
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/importlib/_bootstrap.py", line 437, in get_code
    self.set_data(bytecode_path, data)
  File "/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/importlib/_bootstrap.py", line 498, in set_data
    _os.mkdir(directory)
OSError: [Errno 17] File exists: '/srv/buildbot/buildarea/3.x.bolen-ubuntu/build/Lib/xmlrpc/__pycache__'

Re-running test test_multiprocessing in verbose mode
...
----------------------------------------------------------------------
Ran 127 tests in 34.091s

OK (skipped=9)

----------
components: Library (Lib), Tests
keywords: buildbot
messages: 113626
nosy: flox
priority: normal
severity: normal
status: open
title: IOError in test_multiprocessing
type: behavior
versions: Python 3.2

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9572>
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