[issue24900] Raising an exception that cannot be unpickled causes hang in ProcessPoolExecutor

2017-08-30 Thread Antoine Pitrou 

Changes by Antoine Pitrou :


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pull_requests:  -3277

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[issue24900] Raising an exception that cannot be unpickled causes hang in ProcessPoolExecutor

2017-08-29 Thread George King 

Changes by George King :


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pull_requests: +3277

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[issue24900] Raising an exception that cannot be unpickled causes hang in ProcessPoolExecutor

2015-09-10 Thread Benedikt Reinartz 

Benedikt Reinartz added the comment:

That would touch 2, but as this is happening in the exception handling already 
that would need to be catched and handled by itself. However, one could then do 
without a "pickle -> unpickle" dance.

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[issue24900] Raising an exception that cannot be unpickled causes hang in ProcessPoolExecutor

2015-09-02 Thread Benedikt Reinartz 

Changes by Benedikt Reinartz :


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versions: +Python 2.7, Python 3.2, Python 3.4, Python 3.5, Python 3.6

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[issue24900] Raising an exception that cannot be unpickled causes hang in ProcessPoolExecutor

2015-09-02 Thread Serhiy Storchaka 

Serhiy Storchaka added the comment:

The patch for issue22995 disallows default pickling objects with tp_new == NULL.

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nosy: +alexandre.vassalotti, pitrou, serhiy.storchaka

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[issue24900] Raising an exception that cannot be unpickled causes hang in ProcessPoolExecutor

2015-08-20 Thread Benedikt Sauer 

Benedikt Sauer added the comment:

Actually I think that this may consist of multiple issues:

1. http://bugs.python.org/issue8323 (closed as wont-fix): multiprocessing.Queue 
should throw a sensible error if a Queue element can't be unpickled, however 
the user managed to create that
2. The worker process should prevent unpicklable ResultItems to be put on the 
Queue
3. The parent thread in ProcessPoolExecutor should handle the exceptions by 
setting its broken flag and at least trying to cleanly shut down

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title: Raising an exception that is unable to be unpickled causes hang in 
ProcessPoolExecutor - Raising an exception that cannot be unpickled causes 
hang in ProcessPoolExecutor

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[issue24900] Raising an exception that cannot be unpickled causes hang in ProcessPoolExecutor

2015-08-20 Thread Alex Grönholm 

Changes by Alex Grönholm alex.gronholm+pyt...@nextday.fi:


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nosy: +alex.gronholm

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