Hi Menno, 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 <me...@codingconnected.eu> 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 > > sumo-user@eclipse.org > > 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 > sumo-user@eclipse.org > 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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