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Title: ProcessPoolExecutor hangs forever if the object raises on __getstate__
Type: behavior Stage: resolved
Components: Versions: Python 3.6, Python 3.4, Python 3.5
Status: closed Resolution: duplicate
Dependencies: Superseder: Deadlocks in `concurrent.futures.ProcessPoolExecutor`
View: 30006
Assigned To: Nosy List: Roberto Martínez, grzgrzgrz3
Priority: normal Keywords:

Created on 2017-06-02 09:15 by Roberto Martínez, last changed 2022-04-11 14:58 by admin. This issue is now closed.

File name Uploaded Description Edit Roberto Martínez, 2017-06-02 09:15
Messages (2)
msg294999 - (view) Author: Roberto Martínez (Roberto Martínez) Date: 2017-06-02 09:15
Hi, I detected that a ProcessPoolExecutor hangs if the object fails to picklelize.

I attached the simplest code to reproduce the behavior. Note that the interpreter should exit after the exception but it doesn't and hangs forever.

I tested with python 3.4, 3.5 and 3.6 with the same results.
msg296577 - (view) Author: Grzegorz Grzywacz (grzgrzgrz3) * Date: 2017-06-21 19:56
This is already reported and patch was proposed. Here: #30006
Date User Action Args
2022-04-11 14:58:47adminsetgithub: 74734
2017-10-23 17:03:01berker.peksagsetstatus: open -> closed
superseder: Deadlocks in `concurrent.futures.ProcessPoolExecutor`
resolution: duplicate
stage: resolved
2017-06-21 19:56:59grzgrzgrz3setnosy: + grzgrzgrz3
messages: + msg296577
2017-06-02 09:15:57Roberto Martínezcreate