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Re: [sumo-user] Question about port already in use
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Yes. traci.start accepts the port as optional second argument.
Hi Jakob,
now I am sure this error was caused by the port whose address was already in use. "FatalTraciError" said the connection could not be established in 11 tries due to address already in use. I used Python in Ubuntu. Can I manually assign the port address when the simulation is ready to start?
Thanks,
Yu Tang
-----原始邮件-----
发件人:21_lahm@xxxxxxxxxxxxx
发送时间:2019-04-11 10:34:13 (星期四)
收件人: "Sumo project User discussions" <sumo-user@xxxxxxxxxxx>
抄送:
主题: Re: Re: [sumo-user] Question about port already in use
Hi, Jakob,
Thanks for your reply. Now what is confusing me is the sudden abort of sumo as shown in the attachment. The program written in python runs SUMO in Ubuntu. After running about 600 simulations, the program has stopped suddenly. There are no warnings or bugs shown, just "Retrying in 1 seconds" and "Retrying in 1 seconds". I suspect this is caused by the port already in use. But it seems not since there is no related error message.
Best,
Yu Tang
-----原始邮件-----
发件人:"Jakob Erdmann" <namdre.sumo@xxxxxxxxx>
发送时间:2019-04-09 21:49:22 (星期二)
收件人: "Sumo project User discussions" <sumo-user@xxxxxxxxxxx>
抄送:
主题: Re: [sumo-user] Question about port already in use
if you are using the python client, a free socket port should be automatically obtained when calling traci.start().
If you are using the C++ client, you can use the method getFreeSocketPort() from src/foreign/tcpip/socket.h
regards,
Jakob
Hi guys,
I am running a bunch of simulation with the help of traci. But sometimes the program is forced to stop due to the error "Error: tcpip::Socket::accept() Unable to create listening socket: Address already in use Quitting (on error)."
My question is whether the program can automatically handle with the error and find the appropriate port.
Can anybody help me with this problem?
Thank you.
Yu Tang
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