Hi,

that worked. Thank you so much.

On Mon, Jan 4, 2021 at 11:06 PM Jakob Erdmann <[email protected]> wrote:

> Instead call
>
> traci.start([checkBinary('sumo'), "-c", "config.sumocfg", "--step-length",
> "0.5", '--save-state.rng', "--step-method.ballistic", "--load-state",
> 'saved_simulation'], port=64600)
>
>
> Am Mo., 4. Jan. 2021 um 21:37 Uhr schrieb . Abdullah <[email protected]>:
>
>> Hi,
>>
>> I did try setting the port in the following command : 
>> traci.start([checkBinary('sumo'),
>> "-c", "config.sumocfg", "--remote-port", "64600", "--step-length", "0.5",
>> '--save-state.rng', "--step-method.ballistic", "--load-state",
>> 'saved_simulation'])
>>
>> But I get an error that says, "Error: A value for the option
>> 'remote-port' was already set."
>>
>> I am starting simulations from saved states
>>
>> On Mon, Jan 4, 2021 at 3:24 AM Jakob Erdmann <[email protected]>
>> wrote:
>>
>>> traci.start tries to find an unused port. Possibly, you are creating so
>>> many simulations that this fails and two simulations try to use the same
>>> port.
>>> One work-around could be to manage ports yourself and set them
>>> explicitly in traci.start.
>>>
>>> Am Mi., 23. Dez. 2020 um 18:59 Uhr schrieb . Abdullah <[email protected]
>>> >:
>>>
>>>> Hi,
>>>>
>>>> I was running multiple simulations together, sometimes simultaneously
>>>> and some of mine simulation ends with either one of the two errors:
>>>>
>>>> *Error 1:*
>>>>
>>>> traci.start([checkBinary('sumo'), "-c", "config.sumocfg",
>>>> "--step-length", "0.5", '--save-state.rng', "--step-method.ballistic",
>>>> "--no-step-log", "--no-warnings", "--load-state", 'saved_simulation'])
>>>>   File "/home/ab11/sumo/tools/traci/main.py", line 158, in start
>>>>     return init(sumoPort, numRetries, "localhost", label, sumoProcess)
>>>>   File "/home/ab11/sumo/tools/traci/main.py", line 136, in init
>>>>     _connections[label] = connect(port, numRetries, host, proc)
>>>>   File "/home/ab11/sumo/tools/traci/main.py", line 127, in connect
>>>>     raise FatalTraCIError("Could not connect in %s tries" % (numRetries
>>>> + 1))
>>>> traci.exceptions.FatalTraCIError: Could not connect in 11 tries
>>>>
>>>> *Error 2:*
>>>>
>>>> traci.start([checkBinary('sumo'), "-c", "config.sumocfg",
>>>> "--step-length", "0.5", '--save-state.rng', "--step-method.ballistic",
>>>> "--no-step-log", "--no-warnings", "--load-state", 'saved_simulation'])
>>>>   File "/home/ab11/sumo/tools/traci/main.py", line 158, in start
>>>>     return init(sumoPort, numRetries, "localhost", label, sumoProcess)
>>>>   File "/home/ab11/sumo/tools/traci/main.py", line 138, in init
>>>>     return getVersion()
>>>>   File "/home/ab11/sumo/tools/traci/main.py", line 246, in getVersion
>>>>     return _connections[""].getVersion()
>>>>   File "/home/ab11/sumo/tools/traci/connection.py", line 345, in
>>>> getVersion
>>>>     result = self._sendCmd(command, None, None)
>>>>   File "/home/ab11/sumo/tools/traci/connection.py", line 178, in
>>>> _sendCmd
>>>>     return self._sendExact()
>>>>   File "/home/ab11/sumo/tools/traci/connection.py", line 90, in
>>>> _sendExact
>>>>     prefix = result.read("!BBB")
>>>>   File "/home/ab11/sumo/tools/traci/storage.py", line 40, in read
>>>>     return struct.unpack(format, self._content[oldPos:self._pos])
>>>> struct.error: unpack requires a buffer of 3 bytes
>>>>
>>>>
>>>> I cannot seem to figure out why this happens. If anyone can give a
>>>> little insight on them, then it would be great.
>>>>
>>>> --
>>>> Thank you.
>>>> Abdullah
>>>> _______________________________________________
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>>>> [email protected]
>>>> To unsubscribe from this list, visit
>>>> https://www.eclipse.org/mailman/listinfo/sumo-user
>>>>
>>> _______________________________________________
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>>>
>>
>>
>> --
>> Thank you.
>> Abdullah
>> _______________________________________________
>> sumo-user mailing list
>> [email protected]
>> To unsubscribe from this list, visit
>> https://www.eclipse.org/mailman/listinfo/sumo-user
>>
> _______________________________________________
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-- 
Thank you.
Abdullah
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