报错：
[map_server-20] process has died [pid 4763, exit code 127, cmd /home/hui/lenovo/ros/devel/lib/map_server/map_server /home/hui/lenovo/ros/src/racecar/racecar_gazebo/map/map_runway.yaml __name:=map_server __log:=/home/hui/.ros/log/e3d8fd5e-d179-11ea-a71e-000c29fd16e3/map_server-20.log].
log file: /home/hui/.ros/log/e3d8fd5e-d179-11ea-a71e-000c29fd16e3/map_server-20*.log
解决方案：重新安装

安装map_server

1

sudo apt-get install ros-kinetic-map-server

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process has died