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koide3 / hdl_graph_slam

3D LIDAR-based Graph SLAM
BSD 2-Clause "Simplified" License
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Roslaunch got a "No such file or directory' #147

Open ArtlyStyles opened 3 years ago

ArtlyStyles commented 3 years ago

When I run the 501.bag demo, I got the following error:

RLException: Roslaunch got a 'No such file or directory' error while attempting to run:

/home/xxx/catkin_ws/src/hdl_graph_slam/scripts/map2odom_publisher.py __name:=map2odom_publisher __log:=/home/gcong/.ros/log/d4ec18c8-0b6a-11eb-b086-2fcb12979160/map2odom_publisher-7.log

Please make sure that all the executables in this command exist and have executable permission. This is often caused by a bad launch-prefix. The traceback for the exception was written to the log file

Why: I am on ubuntu 20 and ros noetic.

koide3 commented 3 years ago

At this moment, this package cannot be built on Ubuntu 20 due to some changes on PCL. You can consider giving the following docker image a try instead of directly building it on Ubuntu 20. https://github.com/koide3/slam_docker_collection