Hi Jakob. If I have the error"Could not connect to TraCI server at ..",will this be solved by repeating the simulation in the same traci connection?If yes ,how?
Best regards, Zhiqiang Jakob Erdmann <[email protected]> 于2018年7月11日周三 下午6:52写道： > If you have the error "connection closed by SUMO" this would not be solved > by repeating the simulation in the same traci connection. Diagnose it using > logfiles as explained in my last email. > > 2018-07-11 12:29 GMT+02:00 胡志强 <[email protected]>: > >> Hi Jakob, >> I have add the option numTries=100 to traci.start(),but the error is >> still exist.Could you please tell me is there a approach to repeat my >> simulation in the same traci ?Then ,I don't need to connect the server >> again and again,my problem solved. >> >> Best regards, >> Zhiqiang >> >> Jakob Erdmann <[email protected]> 于2018年7月11日周三 下午2:44写道： >> >>> the error "connection closed by SUMO" indicates that an error ocurred >>> on the SUMO side. >>> If you create a log file for every sumo run you can look for the problem >>> in the latest logfile: >>> >>> for i in range(20000): >>> traci.start([sumoBinary, "--start","-c", "data/cross.sumocfg", >>> "--tripinfo-output", "tripinfo.xml", "log", >>> str(i)]) >>> >>> >>> 2018-07-11 5:47 GMT+02:00 胡志强 <[email protected]>: >>> >>>> Hi Jakob， >>>> Thank you,it works.But the problem is also exist,it retries for 101 >>>> times then closed and I'm sure that my computer's memory is enough.And I >>>> also occurred the error that "connection closed by SUMO",If you want more >>>> details,tell me. >>>> >>>> Best regards, >>>> Zhiqiang >>>> >>>> Jakob Erdmann <[email protected]> 于2018年7月11日周三 上午1:13写道： >>>> >>>>> 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 >>>>>>>>> > > >>>>>>>>> > > >>>>>>>>> > > >>>>>>>>> > > _______________________________________________ >>>>>>>>> > > sumo-user mailing list >>>>>>>>> > > [email protected] <mailto:[email protected]> >>>>>>>>> > > To change your delivery options, retrieve your password, >>>>>>>>> or >>>>>>>>> > unsubscribe from this list, visit >>>>>>>>> > > https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>>>> > > >>>>>>>>> > _______________________________________________ >>>>>>>>> > sumo-user mailing list >>>>>>>>> > [email protected] <mailto:[email protected]> >>>>>>>>> > To change your delivery options, retrieve your password, or >>>>>>>>> > unsubscribe from this list, visit >>>>>>>>> > https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > _______________________________________________ >>>>>>>>> > sumo-user mailing list >>>>>>>>> > [email protected] >>>>>>>>> > To change your delivery options, retrieve your password, or >>>>>>>>> unsubscribe from this list, visit >>>>>>>>> > https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>>>> > >>>>>>>>> _______________________________________________ >>>>>>>>> sumo-user mailing list >>>>>>>>> [email protected] >>>>>>>>> To change your delivery options, retrieve your password, or >>>>>>>>> unsubscribe from this list, visit >>>>>>>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> sumo-user mailing list >>>>>>>> [email protected] >>>>>>>> To change your delivery options, retrieve your password, or >>>>>>>> unsubscribe from this list, visit >>>>>>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>>> >>>>>>>> >>>>>>> _______________________________________________ >>>>>>> sumo-user mailing list >>>>>>> [email protected] >>>>>>> To change your delivery options, retrieve your password, or >>>>>>> unsubscribe from this list, visit >>>>>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> sumo-user mailing list >>>>>> [email protected] >>>>>> To change your delivery options, retrieve your password, or >>>>>> unsubscribe from this list, visit >>>>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>>> >>>>>> >>>>> _______________________________________________ >>>>> sumo-user mailing list >>>>> [email protected] >>>>> To change your delivery options, retrieve your password, or >>>>> unsubscribe from this list, visit >>>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>>> >>>> >>>> _______________________________________________ >>>> sumo-user mailing list >>>> [email protected] >>>> To change your delivery options, retrieve your password, or unsubscribe >>>> from this list, visit >>>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>>> >>>> >>> _______________________________________________ >>> sumo-user mailing list >>> [email protected] >>> To change your delivery options, retrieve your password, or unsubscribe >>> from this list, visit >>> https://dev.eclipse.org/mailman/listinfo/sumo-user >>> >> >> _______________________________________________ >> sumo-user mailing list >> [email protected] >> To change your delivery options, retrieve your password, or unsubscribe >> from this list, visit >> https://dev.eclipse.org/mailman/listinfo/sumo-user >> >> > _______________________________________________ > sumo-user mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/sumo-user >
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