Re: [sumo-user] FatalTraCIError

[Jakob Erdmann <namdre.sumo@xxxxxxxxxxxxxx>]

It looks as if you are accessing the simulation with multiple clients or multiple threads.

The error indicates that a traci.vehicle command and a traci.simulation command where sent at the same time somehow.

regards,

Jakob

2017-10-26 18:06 GMT+02:00 Sara el hamdani via sumo-user <sumo-user@xxxxxxxxxxxxxxxxxxxxx>:

Hello sumo user,

I get this error and I coud not undrstand it. Could anybody help me find
the source of the error?

 while traci.simulation.getMinExpectedNumber() > 0:
  File "/usr/share/sumo/tools/traci/_simulation.py", line 175, in
getMinExpectedNumber
    return self._getUniversal(tc.VAR_MIN_EXPECTED_VEHICLES)
  File "/usr/share/sumo/tools/traci/domain.py", line 118, in _getUniversal
    self._cmdGetID, varID, objectID)
  File "/usr/share/sumo/tools/traci/connection.py", line 131, in
_sendReadOneStringCmd
    return self._checkResult(cmdID, varID, objID)
  File "/usr/share/sumo/tools/traci/connection.py", line 159, in
_checkResult
    result = self._sendExact()
  File "/usr/share/sumo/tools/traci/connection.py", line 112, in _sendExact
    command))
traci.exceptions.: Received answer 171 for command 196.

I would also to prevent vehicles from changing lanes. I see that there is
three modes of changing lane and I want to disable all of them. Does
anybody have an idea about how to do it?


--
*Best regards*


*Sara EL HAMDANI*
*Phd student -Umi University.*
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