Good bosses! When I was studying ROS have a more troublesome problem for me, my reference books are the development practice of Mr Hu, I according to the ROS efficient programming of the robot mechanical arm chapter 7 grab and placement task to simulate
Terminal operation roslaunch rosbook_arm_gazebo rosbook_arm_grasping_world. Launch the command cannot open scenario planning after
Try for a long time is not to find the reason, also please tell bosses,