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Nov 19, 2009, 11:18 AM
Post #1 of 5
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[issue7361] Strange importlib error during test_multiprocessing failure
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New submission from R. David Murray <rdmurray [at] bitdance>:
One of the buildbots suffered a test_multiprocessing failure, which
itself is not such an unusual thing. But the error that was
subsequently thrown looks like it might point to a place where
importlib's error handling could be improved. The error that was thrown
certainly gives no clear indication of what really caused the problem.
The full buildbot report was:
http://www.python.org/dev/buildbot/all/builders/ia64%20Ubuntu%203.1/builds/93/steps/test/logs/stdio
Here are the tracebacks (the second one being the interesting one):
Traceback (most recent call last):
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/multiprocessing/process.py",
line 233, in _bootstrap
self.run()
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/multiprocessing/process.py",
line 88, in run
self._target(*self._args, **self._kwargs)
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/test/test_multiprocessing.py",
line 1211, in _putter
queue = manager.get_queue()
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/multiprocessing/managers.py",
line 644, in temp
token, exp = self._create(typeid, *args, **kwds)
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/multiprocessing/managers.py",
line 544, in _create
id, exposed = dispatch(conn, None, 'create', (typeid,)+args, kwds)
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/multiprocessing/managers.py",
line 79, in dispatch
kind, result = c.recv()
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/multiprocessing/connection.py",
line 408, in recv
s = self._conn.recv_bytes()
IOError: [Errno 104] Connection reset by peer
test test_multiprocessing failed -- Traceback (most recent call last):
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/test/test_multiprocessing.py",
line 1222, in test_rapid_restart
queue = manager.get_queue()
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/multiprocessing/managers.py",
line 644, in temp
token, exp = self._create(typeid, *args, **kwds)
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/multiprocessing/managers.py",
line 542, in _create
conn = self._Client(self._address, authkey=self._authkey)
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/multiprocessing/connection.py",
line 427, in XmlClient
import xmlrpc.client as xmlrpclib
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/importlib/_bootstrap.py",
line 151, in decorated
return fxn(self, module)
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/importlib/_bootstrap.py",
line 399, in load_module
return self._load_module(module)
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/importlib/_bootstrap.py",
line 324, in _load_module
code_object = self.get_code(module.__name__)
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/importlib/_bootstrap.py",
line 411, in get_code
pyc_timestamp = marshal._r_long(data[4:8])
File
"/home/pybot/buildarea/3.1.klose-debian-ia64/build/Lib/importlib/__init__.py",
line 65, in _r_long
x = int_bytes[0]
IndexError: index out of range
----------
components: Library (Lib)
messages: 95511
nosy: brett.cannon, jnoller, r.david.murray
priority: low
severity: normal
stage: test needed
status: open
title: Strange importlib error during test_multiprocessing failure
type: behavior
versions: Python 3.1
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<http://bugs.python.org/issue7361>
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