[issue9207] multiprocessing occasionally spits out exception during shutdown (_handle_workers)
Matthew Walker
report at bugs.python.org
Fri Feb 4 21:01:17 CET 2011
Matthew Walker <mattgwwalker at gmail.com> added the comment:
Oh, and the stack trace was identical to Greg's:
$ ./test.py
I am process number 10378 : i = 0
[...]
I am process number 10390 : i = 9
[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
Exception in thread Thread-1 (most likely raised during interpreter shutdown):
Traceback (most recent call last):
File "/gel/usr/mawal32/system/lib/python2.7/threading.py", line 530, in __bootstrap_inner
File "/gel/usr/mawal32/system/lib/python2.7/threading.py", line 483, in run
File "/gel/usr/mawal32/system/lib/python2.7/multiprocessing/pool.py", line 272, in _handle_workers
<type 'exceptions.TypeError'>: 'NoneType' object is not callable
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<http://bugs.python.org/issue9207>
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