ROS导航功能包

1.ERROR

[move_base.launch] is neither a launch file in package [nav_sim] nor is [nav_sim] a launch file name

The traceback for the exception was written to the log file

解决:配置环境变量  

       $source ~/catkin_ws/devel/setup.bash

2.ERROR

ERROR: cannot launch node of type [map_server/map_server]: can't locate node [map_server] in package [map_server]
ERROR: cannot launch node of type [amcl/amcl]: can't locate node [amcl] in package [amcl]
ERROR: cannot launch node of type [move_base/move_base]: can't locate node [move_base] in package [move_base]

解决: 少安装包的执行文件

         $catkin_make

         $ sudo apt-get install ros-indigo-navigation