Joint publisher with empty velocity and effort vector
Hi,
After reading the URDF and robot / joint state publisher related tutorials, I am able to see the joint messages published by the joint state publisher, but the velocity and effort fields are empty.(I am currently running ros-diamondback on linux) Then looking into the pr2_controller_manager tutorials, I was able to use the JointVelocityController Plugin (configured it to correspond the joints in my urdf file) and launched a spawner type pr2_controller_manager node taking these JointVelocityController as an argument. But using rostopic info on this node, it does not have any subscribed or published topics. What are some ways to generate these velocity and effort fields? I am trying to use the environment_server of motion_planning_common which requires valid joint messages with velocity components for collision detection but keep seeing the invalid joint state error mesesage.
