traci.start([sumoBinary, "--start","-c", "data/cross.sumocfg",
"--tripinfo-output", "tripinfo.xml"],
numTries=100)
2018-07-10 16:46 GMT+02:00 胡志强 <[email protected]>:
> Hi,
> Could you please tell me how add the option numTries=100 to traci.start()?
>
> Best regards,
> Zhiqiang
>
> Jakob Erdmann <[email protected]> 于2018年7月10日周二 下午10:27写道：
>
>> - Possibly the simulation cannot start in time because the computer is
>> still busy from closing the previous simulations. You could add the option
>> numTries=100 to traci.start() to diagnose this
>> - Possibly, the simulation cannot start successfully because your
>> computer is out of memory (which might indicate a memory leak in sumo).
>>
>>
>>
>> 2018-07-10 16:04 GMT+02:00 胡志强 <[email protected]>:
>>
>>> Hi,
>>> My SUMO version is 0.32.0,and I write a loop to simulate for many times,
>>> I start SUMO like this:
>>> for i in range(20000):
>>> traci.start([sumoBinary, "--start","-c", "data/cross.sumocfg",
>>> "--tripinfo-output", "tripinfo.xml"])
>>> ...
>>> ...
>>> traci.close()
>>> At the beginning,it works well,but it may disconnect with traci and the
>>> time points is different.I don't know what's wrong.
>>>
>>> Menno van der Woude <[email protected]> 于2018年7月10日周二 下午9:32写道：
>>>
>>>> Hi Zhiqiang,
>>>>
>>>> it could be helpful if you provide some more details:
>>>> Under what circumstances does the connection fail? Do the circumstances
>>>> during failure differ from before? Does it disconnect while it is
>>>> connected, or not connect at all? Etc.
>>>> Also, how are you starting SUMO, manually, programmatically? Etc.
>>>>
>>>> Greets, Menno
>>>>
>>>> On 10-7-2018 15:27, 胡志强 wrote:
>>>> > At the beginning ,it works well,but some time later,it may disconnect
>>>> > with the sever.So ,what's the possible reasons?
>>>> >
>>>> > Best regards,
>>>> > Zhiqiang
>>>> >
>>>> >
>>>> >
>>>> > Menno van der Woude <[email protected]
>>>> > <mailto:[email protected]>> 于2018年7月10日周二 下午8:44写道：
>>>> >
>>>> > Hi Zhiqiang,
>>>> >
>>>> > it seems like SUMO is not running, since the the client cannot
>>>> connect
>>>> > to the TCP server. Make sure you start SUMO with the --remote-port
>>>> > <INT>
>>>> > option as described here: http://sumo.dlr.de/wiki/TraCI#
>>>> SUMO_startup.
>>>> >
>>>> > If you need to simulate many runs, you will have to automate
>>>> starting
>>>> > SUMO as well.
>>>> >
>>>> > Greets,
>>>> >
>>>> > Menno
>>>> >
>>>> > On 10-7-2018 14:34, 胡志强 wrote:
>>>> > > Dear sumo-users:
>>>> > > I am doing a traffic light program to optimize the
>>>> > timing of
>>>> > > traffic light by using Traci.But I met a problem,I need to
>>>> > simulate the
>>>> > > process again and again,then,I got this error:
>>>> > >
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Retrying in 2 seconds
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Retrying in 3 seconds
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Retrying in 4 seconds
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Retrying in 5 seconds
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Retrying in 6 seconds
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Retrying in 7 seconds
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Retrying in 8 seconds
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Retrying in 9 seconds
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Retrying in 10 seconds
>>>> > > Could not connect to TraCI server at localhost:55141 [Errno
>>>> 111]
>>>> > > Connection refused
>>>> > > Traceback (most recent call last):
>>>> > > File "main.py", line 78, in <module>
>>>> > > train(RL_natural)
>>>> > > File "main.py", line 26, in train
>>>> > > observation = env.reset()
>>>> > > File
>>>> > >
>>>> > "/home/huzhiqiang/traffic-signal-control/traci_tls_PER_
>>>> 8s_lr0.00025/trafficlight_env.py",
>>>> >
>>>> > > line 110, in reset
>>>> > > "--tripinfo-output", "tripinfo.xml"])
>>>> > > File "/home/huzhiqiang/sumo/tools/traci/__init__.py", line
>>>> 86,
>>>> > in start
>>>> > > _connections[label] = connect(port, numRetries,
>>>> "localhost",
>>>> > > sumoProcess)
>>>> > > File "/home/huzhiqiang/sumo/tools/traci/__init__.py", line
>>>> 64,
>>>> > in connect
>>>> > > raise FatalTraCIError("Could not connect in %s tries" %
>>>> > (numRetries
>>>> > > + 1))
>>>> > > traci.exceptions.FatalTraCIError: Could not connect in 11
>>>> tries
>>>> > >
>>>> > > How can I fix it?
>>>> > >
>>>> > > Best regards,
>>>> > > Zhiqiang
>>>> > >
>>>> > >
>>>> > >
>>>> > > _______________________________________________
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