Re: [sumo-user] FatalTraCIError: connection closed by SUMO (receiving er

[Jakob Erdmann <namdre.sumo@xxxxxxxxx>]

Hello,

- which version of sumo were you using?

- can you reproduce the crash when using the latest development version? (https://sumo.dlr.de/docs/Downloads.php#sumo_-_latest_development_version)

- if yes, please provide all input files necessary to reproduce the crash

regards,

Jakob

Am Fr., 9. Apr. 2021 um 17:59 Uhr schrieb Shah Sultan <syedshahsultan@xxxxxxxxx>:

Dear all

I am encountering the problem (error message) when I am trying to zoom in on
my simulation to some particular extent to observe the movements. Below is
the error message that I am receiving and I don't know how to deal with
that.

---------------------------------------------------------------------------
FatalTraCIError                           Traceback (most recent call last)
<ipython-input-2-d09da2f2afce> in <module>
     38
     39     for step in range(3000):
---> 40         traci.simulationStep()
     41
     42         """

C:\Program Files (x86)\Eclipse\Sumo\tools\traci\main.py in
simulationStep(step)
    211         args = "" if step == 0 else str(step)
    212       
_traceFile[_currentLabel[0]].write("traci.simulationStep(%s)\n" % args)
--> 213     return _connections[""].simulationStep(step)
    214
    215

C:\Program Files (x86)\Eclipse\Sumo\tools\traci\connection.py in
simulationStep(self, step)
    289         if type(step) is int and step >= 1000:
    290             warnings.warn("API change now handles step as floating
point seconds", stacklevel=2)
--> 291         result = self._sendCmd(tc.CMD_SIMSTEP, None, None, "D",
step)
    292         for subscriptionResults in
self._subscriptionMapping.values():
    293             subscriptionResults.reset()

C:\Program Files (x86)\Eclipse\Sumo\tools\traci\connection.py in
_sendCmd(self, cmdID, varID, objID, format, *values)
    176             self._string += struct.pack("!i", len(objID)) +
objID.encode("latin1")
    177         self._string += packed
--> 178         return self._sendExact()
    179
    180     def _readSubscription(self, result):

C:\Program Files (x86)\Eclipse\Sumo\tools\traci\connection.py in
_sendExact(self)
     86             self._socket.close()
     87             del self._socket
---> 88             raise FatalTraCIError("connection closed by SUMO")
     89         for command in self._queue:
     90             prefix = result.read("!BBB")

FatalTraCIError: connection closed by SUMO





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