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Re: [sumo-user] Problems when using multiprocessing in SUMO
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- From: Michael Behrisch <oss@xxxxxxxxxxx>
- Date: Tue, 11 Sep 2018 22:49:55 +0200
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Hi,
could you please send the value of i_name. Does it contain any non-ASCII
characters?
Best regards,
Michael
Am 11.09.2018 um 04:36 schrieb Zhiqiang Hu:
> Hi Jakob,
>
> I need to use average SUMOs in my project,and I
> use traci.start([sumoBinary,"--start","-c","data/cross.sumocfg","--tripinfo-output","/home/hzq/hzq_disk2/test_A3C_tripinfo/tripinfo_%s.xml"
> % i_name]) to start SUMOs. And it works well,but, when I
> use traci.load(["-c","data/cross.sumocfg","--tripinfo-output","/home/hzq/hzq_disk2/test_A3C_tripinfo/tripinfo_%s.xml"
> % i_name]) the error below occurred.
>
> Traceback (most recent call last):
> File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
> self.run()
> File "/usr/lib/python3.5/threading.py", line 862, in run
> self._target(*self._args, **self._kwargs)
> File "A3C_discrete_action.py", line 196, in <lambda>
> job = lambda: worker.work <http://worker.work>()
> File "A3C_discrete_action.py", line 119, in work
> s = self.env.reset(self.name <http://self.name>, GLOBAL_EP)
> File "/home/hzq/traffic-signal-control/test_A3C/trafficlight_env.py",
> line 78, in reset
>
> traci.load(["-c","data/cross.sumocfg","--tripinfo-output","/home/hzq/hzq_disk2/test_A3C_tripinfo/tripinfo_%s.xml"
> % i_name])
> File "/home/hzq/sumo/tools/traci/__init__.py", line 111, in load
> return _connections[""].load(args)
> File "/home/hzq/sumo/tools/traci/connection.py", line 320, in load
> self._sendExact()
> File "/home/hzq/sumo/tools/traci/connection.py", line 101, in _sendExact
> err = result.readString()
> File "/home/hzq/sumo/tools/traci/storage.py", line 51, in readString
> return str(self.read("!%ss" % length)[0].decode("latin1"))
> File "/home/hzq/sumo/tools/traci/storage.py", line 35, in read
> return struct.unpack(format, self._content[oldPos:self._pos])
> struct.error: unpack requires a bytes object of length 1245184
>
> Could you please tell me how to fix it ?Thanks in advance!
>
> Best regards,
> Zhiqiang
>
>
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