Re: [sumo-user] a bug of traci getConnection function in ubuntu

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

Depending on the speed of your computer and the size of your scenario, sumo requires some time for startup before it can accept connections from your script.

This is known behavior and can be safely ignored.

Am Mi., 11. Dez. 2019 um 14:19 Uhr schrieb bruce Wang <bruce.wang2016@xxxxxxxxxxx>:

hello，everyone

i have use the traci command to start a sumo and build a connection. Every
time i have started the sumo and then build the connection, there will
happen an  connection error, but retrying in 1 seconds will  succes.

this is why?

environment is ubuntu 18.04, sumo is 1.3.1

code:
command = ['sumo', '-c', './data/exp_0.sumocfg', '--seed', '12',
'--no-step-log', 'True', '--time-to-teleport', '600', '--no-warnings',
'True', '--duration-log.disable', 'True']

traci.start(command, label=sumolabel)

time.sleep(0.5)

self.sim = traci.getConnection(label=sumolabel)


terminal:

Could not connect to TraCI server at localhost:36811 [Errno 111] Connection
refused
 Retrying in 1 seconds
Loading configuration... done.

Could not connect to TraCI server at localhost:46055 [Errno 111] Connection
refused
 Retrying in 1 seconds
Loading configuration... done.

Could not connect to TraCI server at localhost:43085 [Errno 111] Connection
refused
 Retrying in 1 seconds
Loading configuration... done.



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