Hi Jakob, Thank you very mach! I have solved all my problems. Best regards, Zhiqiang
Jakob Erdmann <[email protected]> 于2018年7月11日周三 下午8:36写道： > Possibly. Unless the error is caused by SUMO closing with an error before > opening the socket. > You can run multiple simulations on the same connection by using the > function traci.load > See http://sumo.dlr.de/daily/pydoc/traci.html#-load > > regards, > Jakob > > 2018-07-11 14:34 GMT+02:00 胡志强 <[email protected]>: > >> 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 >>> >> >> _______________________________________________ >> 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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