python multiprocessing多进程 cannot pickle '_io.TextIOWrapper' object
2024-10-21 11:29:21
Python 3.9.6 在windows下使用multiprocessing多进程报如下错误，但linux下正常
Traceback (most recent call last):
File "D:\Studio\python\New\autoTest\cases\Zd\commDaping.py", line 324, in testDapingLianHuaShiYeOK
self.dapingLianHuaShiYeOK(driver, paramsIn, checkPoint)
File "D:\Studio\python\New\autoTest\cases\Zd\dapingLianHuaShiYe.py", line 40, in dapingLianHuaShiYeOK
t1.start()
File "D:\ProgramFiles\Python\Python39\lib\multiprocessing\process.py", line 121, in start
self._popen = self._Popen(self)
File "D:\ProgramFiles\Python\Python39\lib\multiprocessing\context.py", line 224, in _Popen
return _default_context.get_context().Process._Popen(process_obj)
File "D:\ProgramFiles\Python\Python39\lib\multiprocessing\context.py", line 327, in _Popen
return Popen(process_obj)
File "D:\ProgramFiles\Python\Python39\lib\multiprocessing\popen_spawn_win32.py", line 93, in __init__
reduction.dump(process_obj, to_child)
File "D:\ProgramFiles\Python\Python39\lib\multiprocessing\reduction.py", line 60, in dump
ForkingPickler(file, protocol).dump(obj)
TypeError: cannot pickle '_io.TextIOWrapper' object
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