ROS multi-machine communication failure: invalid master URI
Hi, I have set up ROS to communicate between my robot (using raspberry pi) and my laptop. It worked for a period of time but somehow stopped working suddenly. The reported error is:
invalid master URI:192.168.43.244:11311
The traceback for the exception was written to the log file
Please note that the procedures I took for ROS master and slave to communicate should have been correct or I wouldn' t have succeeded in the first few times.
I can not find any related information for this problem, so someone who has an idea please tell me what is going wrong and how I can fix this please. Thanks.