catkin_make时出错

[B0Njour]

-- +++ processing catkin metapackage: 'ros_academy_for_beginners' -- ==> add_subdirectory(ROS-Academy-for-Beginners/ros_academy_for_beginners) -- +++ processing catkin package: 'test1' -- ==> add_subdirectory(test1) -- +++ processing catkin package: 'orbslam2_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/orbslam2_demo) -- +++ processing catkin package: 'param_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/param_demo) -- +++ processing catkin package: 'rtabmap_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/rtabmap_demo) -- +++ processing catkin package: 'service_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/service_demo) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- service_demo: 0 messages, 1 services -- +++ processing catkin package: 'test2' -- ==> add_subdirectory(test2) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- +++ processing catkin package: 'topic_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/topic_demo) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- topic_demo: 1 messages, 0 services -- +++ processing catkin package: 'action_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/action_demo) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- Boost version: 1.58.0 -- Found the following Boost libraries: -- system -- Generating .msg files for action action_demo/DoDishes /home/bonjour/catkin_ws/src/ROS-Academy-for-Beginners/action_demo/action/DoDishes.action -- action_demo: 7 messages, 0 services -- +++ processing catkin package: 'msgs_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/msgs_demo) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- Generating .msg files for action msgs_demo/AutoDocking /home/bonjour/catkin_ws/src/ROS-Academy-for-Beginners/msgs_demo/action/AutoDocking.action -- Generating .msg files for action msgs_demo/AddTwoInts /home/bonjour/catkin_ws/src/ROS-Academy-for-Beginners/msgs_demo/action/AddTwoInts.action -- Generating .msg files for action msgs_demo/GetMap /home/bonjour/catkin_ws/src/ROS-Academy-for-Beginners/msgs_demo/action/GetMap.action -- Generating .msg files for action msgs_demo/MoveBase /home/bonjour/catkin_ws/src/ROS-Academy-for-Beginners/msgs_demo/action/MoveBase.action -- msgs_demo: 42 messages, 9 services -- +++ processing catkin package: 'navigation_sim_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/navigation_sim_demo) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- +++ processing catkin package: 'robot_sim_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/robot_sim_demo) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- +++ processing catkin package: 'slam_sim_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/slam_sim_demo) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- +++ processing catkin package: 'tf_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/tf_demo) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- +++ processing catkin package: 'tf_follower' -- ==> add_subdirectory(ROS-Academy-for-Beginners/tf_follower) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- +++ processing catkin package: 'urdf_demo' -- ==> add_subdirectory(ROS-Academy-for-Beginners/urdf_demo) -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy -- Configuring done -- Generating done -- Build files have been written to: /home/bonjour/catkin_ws/build

Running command: "make -j4 -l4" in "/home/bonjour/catkin_ws/build"

Scanning dependencies of target param_demo [ 0%] Built target std_msgs_generate_messages_py [ 0%] Built target roscpp_generate_messages_py [ 0%] Building CXX object ROS-Academy-for-Beginners/param_demo/CMakeFiles/param_demo.dir/src/param_demo.cpp.o [ 0%] Built target rosgraph_msgs_generate_messages_eus [ 0%] Built target rosgraph_msgs_generate_messages_nodejs [ 0%] Built target roscpp_generate_messages_cpp [ 0%] Built target rosgraph_msgs_generate_messages_cpp [ 0%] Built target _service_demo_generate_messages_check_deps_Greeting [ 0%] Built target std_msgs_generate_messages_cpp [ 0%] Built target roscpp_generate_messages_eus [ 0%] Built target rosgraph_msgs_generate_messages_py [ 0%] Built target rosgraph_msgs_generate_messages_lisp [ 0%] Built target roscpp_generate_messages_nodejs [ 0%] Built target std_msgs_generate_messages_nodejs [ 0%] Built target roscpp_generate_messages_lisp [ 0%] Built target std_msgs_generate_messages_eus [ 0%] Built target std_msgs_generate_messages_lisp [ 1%] Built target service_demo_generate_messages_py [ 1%] Generating C++ code from service_demo/Greeting.srv [ 1%] Built target service_demo_generate_messages_lisp [ 2%] Built target service_demo_generate_messages_eus Traceback (most recent call last): File "/opt/ros/kinetic/share/gencpp/cmake/../../../lib/gencpp/gen_cpp.py", line 41, in import genmsg.template_tools File "/opt/ros/kinetic/lib/python2.7/dist-packages/genmsg/template_tools.py", line 39, in import em ModuleNotFoundError: No module named 'em' ROS-Academy-for-Beginners/service_demo/CMakeFiles/service_demo_generate_messages_cpp.dir/build.make:63: recipe for target '/home/bonjour/catkin_ws/devel/include/service_demo/Greeting.h' failed make[2]: [/home/bonjour/catkin_ws/devel/include/service_demo/Greeting.h] Error 1 CMakeFiles/Makefile2:1289: recipe for target 'ROS-Academy-for-Beginners/service_demo/CMakeFiles/service_demo_generate_messages_cpp.dir/all' failed make[1]: [ROS-Academy-for-Beginners/service_demo/CMakeFiles/service_demo_generate_messages_cpp.dir/all] Error 2 make[1]: 正在等待未完成的任务.... [ 2%] Built target _topic_demo_generate_messages_check_deps_gps [ 2%] Built target _action_demo_generate_messages_check_deps_DoDishesResult [ 2%] Linking CXX executable /home/bonjour/catkin_ws/devel/lib/param_demo/param_demo [ 2%] Built target param_demo Makefile:138: recipe for target 'all' failed make: [all] Error 2 Invoking "make -j4 -l4" failed

请求老师指教～～

[sychaichangkun]

试试这个帖子的方法 https://answers.ros.org/question/257331/python-module-empy-missing-tutorials/