Troubleshooting

  1. Check if both the jetson and pc is connected to the same network.

  2. Check if the environmental variable ROS_DOMAIN_ID is set to the same value on both the jetson and pc.

  3. Hardware connections.

  4. Ctrl-C does not always shut down all processes. Make sure they are completely shut down with ps aux tool, before re-launching nodes or similar.

  5. If you get colcon build warning “clock skew detected”, run the following command.

    cd /home/jetson/uiabot_ws && rm -rf build install log  && find  . -type f | xargs -n 5 touch