Hi Marcelo, I will copy Jakob's answer to someone who had a similar problem a few days ago. Maybe it will help you ☺
“The _socket gets removed in either of two cases: - after calling traci.close() - after receiving a FatalTraCIError "connection closed by SUMO" which can happen if the input data to sumo is faulty or sumo has crashed If it happens to be the latter with the latest sumo release (1.7.0), please try to boil down your code to a simple test case and provide the necessary files for reproducing the crash.” Regards, Giuliana From: [email protected] [mailto:[email protected]] On Behalf Of Marcelo Andrade Rodrigues D Almeida Sent: Samstag, 19. September 2020 21:10 To: Sumo project User discussions Subject: [sumo-user] 'Extended retrieval messages' info subscription Hi everyone How can I subscribe to retrieve 'Extended retrieval messages' information (e.g. vehicle leader and secureGap) Everytime I include these I receive the following error message [...] #"VAR_LEADER", #"VAR_SECURE_GAP", [...] "Traceback (most recent call last): File "<string>", line 1, in <module> File "/usr/share/sumo/tools/traci/domain.py", line 208, in subscribe self._connection._subscribe(self._subscribeID, begin, end, objectID, varIDs) File "/usr/share/sumo/tools/traci/connection.py", line 231, in _subscribe result = self._sendCmd(cmdID, (begin, end), objID, format, *args) File "/usr/share/sumo/tools/traci/connection.py", line 178, in _sendCmd return self._sendExact() File "/usr/share/sumo/tools/traci/connection.py", line 83, in _sendExact self._socket.send(length + self._string) AttributeError: 'Connection' object has no attribute '_socket' " Thank you in advance Sincerely, Marcelo d'Almeida
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