ROS遇到的问题

rosmsg show beginner_tutorials/Num
Unable to load msg [beginner_tutorials/Num]: Cannot locate message [Num]: unknown package [beginner_tutorials] on search path [{'rosconsole': ['/opt/ros/indigo/share/rosconsole/msg'], 'rocon_service_pair_msgs': ['/opt/ros/indigo/share/rocon_service_pair_msgs/msg'], 'astra_camera': ['/opt/ros/indigo/share/astra_camera/msg'], 'rocon_python_comms': ['/opt/ros/indigo/share/rocon_python_comms/msg'], 'rocon_gateway_utils': ['/opt/ros/indigo/share/rocon_gateway_utils/msg'], 'tf': ['/opt/ros/indigo/share/tf/msg'], 'rqt_publisher': ['/opt/ros/indigo/share/rqt_publisher/msg'], 'smach_ros': ['/opt/ros/indigo/share/smach_ros/msg'], 'diagnostic_aggregator': ['/opt/ros/indigo/share/diagnostic_aggregator/msg'], 'rosgraph': ['/opt/ros/indigo/share/rosgraph/msg'], 'ecl_streams': ['/opt/ros/indigo/share/ecl_streams/msg'], 'rqt_topic': ['/opt/ros/indigo/share/rqt_topic/msg'], 'smach': ['/opt/ros/indigo/share/smach/msg'], 'rocon_semantic_version': ['/opt/ros/indigo/share/rocon_semantic_version/msg'], 'rosboost_cfg': ['/opt/ros/indigo/share/rosboost_cfg/msg'], 'rqt_service_caller': ['/opt/ros/indigo/share/rqt_service_caller/msg'], 'freenect_camera': ['/opt/ros/indigo/share/freenect_camera/msg'], 'realsense_camera': ['/opt/ros/indigo/share/realsense_camera/msg'], 'dynamixel_msgs': ['/opt/ros/indigo/share/dynamixel_msgs/msg'], 'rqt_pose_view': ['/opt/ros/indigo/share/rqt_pose_view/msg'], 'create_gazebo_plugins': ['/opt/ros/indigo/share/create_gazebo_plugins/msg'], 'pcl_conversions': ['/opt/ros/indigo/share/pcl_conversions/msg'], 'arbotix_msgs': ['/opt/ros/indigo/share/arbotix_msgs/msg'], 'rqt_image_view': ['/opt/ros/indigo/share/rqt_image_view/msg'], 'rqt_console': ['/opt/ros/indigo/share/rqt_console/msg'], 'ecl_sigslots': ['/opt/ros/indigo/share/ecl_sigslots/msg'], 'rqt_gui': ['/opt/ros/indigo/share/rqt_gui/msg'], 'qt_gui_py_common': ['/opt/ros/indigo/share/qt_gui_py_common/msg'], 'eigen_conversions': ['/opt/ros/indigo/share/eigen_conversions/msg'], 'diagnostic_common_diagnostics': ['/opt/ros/indigo/share/diagnostic_common_diagnostics/msg'], 'rostopic': ['/opt/ros/indigo/share/rostopic/msg'], 'visualization_msgs': ['/opt/ros/indigo/share/visualization_msgs/msg'], 'message_generation': ['/opt/ros/indigo/share/message_generation/msg'], 'polled_camera': ['/opt/ros/indigo/share/polled_camera/msg'], 'ecl_threads': ['/opt/ros/indigo/share/ecl_threads/msg'], 'urdf_tutorial': ['/opt/ros/indigo/share/urdf_tutorial/msg'], 'kobuki_auto_docking': ['/opt/ros/indigo/share/kobuki_auto_docking/msg'], 'rospy': ['/opt/ros/indigo/share/rospy/msg'], 'roscpp_tutorials': ['/opt/ros/indigo/share/roscpp_tutorials/msg'], 'ecl_build': ['/opt/ros/indigo/share/ecl_build/msg'], 'python_orocos_kdl': ['/opt/ros/indigo/share/python_orocos_kdl/msg'], 'rocon_python_utils': ['/opt/ros/indigo/share/rocon_python_utils/msg'], 'rosmsg': ['/opt/ros/indigo/share/rosmsg/msg'], 'turtlebot_description': ['/opt/ros/indigo/share/turtlebot_description/msg'], 'arbotix_controllers': ['/opt/ros/indigo/share/arbotix_controllers/msg'], 'audio_capture': ['/opt/ros/indigo/share/audio_capture/msg'], 'rosparam': ['/opt/ros/indigo/share/rosparam/msg'], 'create_driver': ['/opt/ros/indigo/share/create_driver/msg'], 'diagnostic_updater': ['/opt/ros/indigo/share/diagnostic_updater/msg'], 'rgbd_launch': ['/opt/ros/indigo/share/rgbd_launch/msg'], 'rqt_runtime_monitor': ['/opt/ros/indigo/share/rqt_runtime_monitor/msg'], 'ecl_eigen': ['/opt/ros/indigo/share/ecl_eigen/msg'], 'yocs_controllers': ['/opt/ros/indigo/share/yocs_controllers/msg'], 'topic_tools': ['/opt/ros/indigo/share/topic_tools/msg'], 'interactive_marker_tutorials': ['/opt/ros/indigo/share/interactive_marker_tutorials/msg'], 'stage_ros': ['/opt/ros/indigo/share/stage_ros/msg'], 'rqt_robot_steering': ['/opt/ros/indigo/share/rqt_robot_steering/msg'], 'genpy': ['/opt/ros/indigo/share/genpy/msg'], 'laser_scan_matcher': ['/opt/ros/indigo/share/laser_scan_matcher/msg'], 'sensor_msgs': ['/opt/ros/indigo/share/sensor_msgs/msg'], 'roscreate': ['/opt/ros/indigo/share/roscreate/msg'], 'rqt_launch': ['/opt/ros/indigo/share/rqt_launch/msg'], 'settlerlib': ['/opt/ros/indigo/share/settlerlib/msg'], 'rocon_python_wifi': ['/opt/ros/indigo/share/rocon_python_wifi/msg'], 'gazebo_ros': ['/opt/ros/indigo/share/gazebo_ros/msg'], 'ecl_math': ['/opt/ros/indigo/share/ecl_math/msg'], 'mk': ['/opt/ros/indigo/share/mk/msg'], 'rocon_hub_client': ['/opt/ros/indigo/share/rocon_hub_client/msg'], 'ecl_linear_algebra': ['/opt/ros/indigo/share/ecl_linear_algebra/msg'], 'map_server': ['/opt/ros/indigo/share/map_server/msg'], 'wiimote': ['/opt/ros/indigo/share/wiimote/msg'], 'pcl_ros': ['/opt/ros/indigo/share/pcl_ros/msg'], 'map_laser': ['/opt/ros/indigo/share/map_laser/msg'], 'rqt_srv': ['/opt/ros/indigo/share/rqt_srv/msg'], 'rqt_moveit': ['/opt/ros/indigo/share/rqt_moveit/msg'], 'laser_filters': ['/opt/ros/indigo/share/laser_filters/msg'], 'kobuki_safety_controller': ['/opt/ros/indigo/share/kobuki_safety_controller/msg'], 'eigen_stl_containers': ['/opt/ros/indigo/share/eigen_stl_containers/msg'], 'freenect_launch': ['/opt/ros/indigo/share/freenect_launch/msg'], 'gmapping': ['/opt/ros/indigo/share/gmapping/msg'], 'rocon_bubble_icons': ['/opt/ros/indigo/share/rocon_bubble_icons/msg'], 'laser_assembler': ['/opt/ros/indigo/share/laser_assembler/msg'], 'rqt_tf_tree': ['/opt/ros/indigo/share/rqt_tf_tree/msg'], 'collada_parser': ['/opt/ros/indigo/share/collada_parser/msg'], 'media_export': ['/opt/ros/indigo/share/media_export/msg'], 'laptop_battery_monitor': ['/opt/ros/indigo/share/laptop_battery_monitor/msg'], 'geometry_msgs': ['/opt/ros/indigo/share/geometry_msgs/msg'], 'unique_id': ['/opt/ros/indigo/share/unique_id/msg'], 'turtlebot_teleop': ['/opt/ros/indigo/share/turtlebot_teleop/msg'], 'urdf': ['/opt/ros/indigo/share/urdf/msg'], 'resource_retriever': ['/opt/ros/indigo/share/resource_retriever/msg'], 'rqt_graph': ['/opt/ros/indigo/share/rqt_graph/msg'], 'rotate_recovery': ['/opt/ros/indigo/share/rotate_recovery/msg'], 'fake_localization': ['/opt/ros/indigo/share/fake_localization/msg'], 'qt_gui': ['/opt/ros/indigo/share/qt_gui/msg'], 'filters': ['/opt/ros/indigo/share/filters/msg'], 'roscpp_serialization': ['/opt/ros/indigo/share/roscpp_serialization/msg'], 'ps3joy': ['/opt/ros/indigo/share/ps3joy/msg'], 'kobuki_driver': ['/opt/ros/indigo/share/kobuki_driver/msg'], 'rqt_web': ['/opt/ros/indigo/share/rqt_web/msg'], 'create_description': ['/opt/ros/indigo/share/create_description/msg'], 'costmap_2d': ['/opt/ros/indigo/share/costmap_2d/msg'], 'rqt_action': ['/opt/ros/indigo/share/rqt_action/msg'], 'diagnostic_msgs': ['/opt/ros/indigo/share/diagnostic_msgs/msg'], 'rqt_robot_dashboard': ['/opt/ros/indigo/share/rqt_robot_dashboard/msg'], 'pluginlib': ['/opt/ros/indigo/share/pluginlib/msg'], 'smart_battery_msgs': ['/opt/ros/indigo/share/smart_battery_msgs/msg'], 'xmlrpcpp': ['/opt/ros/indigo/share/xmlrpcpp/msg'], 'sophus': ['/opt/ros/indigo/share/sophus/msg'], 'bond': ['/opt/ros/indigo/share/bond/msg'], 'self_test': ['/opt/ros/indigo/share/self_test/msg'], 'rospack': ['/opt/ros/indigo/share/rospack/msg'], 'image_rotate': ['/opt/ros/indigo/share/image_rotate/msg'], 'arbotix_firmware': ['/opt/ros/indigo/share/arbotix_firmware/msg'], 'rviz_plugin_tutorials': ['/opt/ros/indigo/share/rviz_plugin_tutorials/msg'], 'tf2_msgs': ['/opt/ros/indigo/share/tf2_msgs/msg'], 'rviz': ['/opt/ros/indigo/share/rviz/msg'], 'rocon_master_info': ['/opt/ros/indigo/share/rocon_master_info/msg'], 'driver_base': ['/opt/ros/indigo/share/driver_base/msg'], 'laser_scan_splitter': ['/opt/ros/indigo/share/laser_scan_splitter/msg'], 'camera_calibration': ['/opt/ros/indigo/share/camera_calibration/msg'], 'rocon_gateway': ['/opt/ros/indigo/share/rocon_gateway/msg'], 'rosservice': ['/opt/ros/indigo/share/rosservice/msg'], 'rocon_ebnf': ['/opt/ros/indigo/share/rocon_ebnf/msg'], 'turtle_tf': ['/opt/ros/indigo/share/turtle_tf/msg'], 'yocs_velocity_smoother': ['/opt/ros/indigo/share/yocs_velocity_smoother/msg'], 'tf2_geometry_msgs': ['/opt/ros/indigo/share/tf2_geometry_msgs/msg'], 'depthimage_to_laserscan': ['/opt/ros/indigo/share/depthimage_to_laserscan/msg'], 'visualization_marker_tutorials': ['/opt/ros/indigo/share/visualization_marker_tutorials/msg'], 'audio_play': ['/opt/ros/indigo/share/audio_play/msg'], 'rosconsole_bridge': ['/opt/ros/indigo/share/rosconsole_bridge/msg'], 'pluginlib_tutorials': ['/opt/ros/indigo/share/pluginlib_tutorials/msg'], 'dynamixel_controllers': ['/opt/ros/indigo/share/dynamixel_controllers/msg'], 'roslz4': ['/opt/ros/indigo/share/roslz4/msg'], 'rqt_dep': ['/opt/ros/indigo/share/rqt_dep/msg'], 'std_capabilities': ['/opt/ros/indigo/share/std_capabilities/msg'], 'create_dashboard': ['/opt/ros/indigo/share/create_dashboard/msg'], 'rqt_robot_monitor': ['/opt/ros/indigo/share/rqt_robot_monitor/msg'], 'stereo_msgs': ['/opt/ros/indigo/share/stereo_msgs/msg'], 'kobuki_capabilities': ['/opt/ros/indigo/share/kobuki_capabilities/msg'], 'trajectory_msgs': ['/opt/ros/indigo/share/trajectory_msgs/msg'], 'ecl_errors': ['/opt/ros/indigo/share/ecl_errors/msg'], 'libfreenect': ['/opt/ros/indigo/share/libfreenect/msg'], 'tf2': ['/opt/ros/indigo/share/tf2/msg'], 'velodyne_msgs': ['/opt/ros/indigo/share/velodyne_msgs/msg'], 'rostest': ['/opt/ros/indigo/share/rostest/msg'], 'ecl_time': ['/opt/ros/indigo/share/ecl_time/msg'], 'tf_conversions': ['/opt/ros/indigo/share/tf_conversions/msg'], 'dynamixel_driver': ['/opt/ros/indigo/share/dynamixel_driver/msg'], 'cpp_common': ['/opt/ros/indigo/share/cpp_common/msg'], 'sound_play': ['/opt/ros/indigo/share/sound_play/msg'], 'dynamic_reconfigure': ['/opt/ros/indigo/share/dynamic_reconfigure/msg'], 'compressed_image_transport': ['/opt/ros/indigo/share/compressed_image_transport/msg'], 'gazebo_msgs': ['/opt/ros/indigo/share/gazebo_msgs/msg'], 'image_transport': ['/opt/ros/indigo/share/image_transport/msg'], 'ecl_mobile_robot': ['/opt/ros/indigo/share/ecl_mobile_robot/msg'], 'qt_dotgraph': ['/opt/ros/indigo/share/qt_dotgraph/msg'], 'openni2_launch': ['/opt/ros/indigo/share/openni2_launch/msg'], 'rosbag_storage': ['/opt/ros/indigo/share/rosbag_storage/msg'], 'ecl_utilities': ['/opt/ros/indigo/share/ecl_utilities/msg'], 'hokuyo_node': ['/opt/ros/indigo/share/hokuyo_node/msg'], 'nodelet': ['/opt/ros/indigo/share/nodelet/msg'], 'ecl_concepts': ['/opt/ros/indigo/share/ecl_concepts/msg'], 'rocon_app_manager': ['/opt/ros/indigo/share/rocon_app_manager/msg'], 'tf2_kdl': ['/opt/ros/indigo/share/tf2_kdl/msg'], 'tf2_sensor_msgs': ['/opt/ros/indigo/share/tf2_sensor_msgs/msg'], 'collada_urdf': ['/opt/ros/indigo/share/collada_urdf/msg'], 'uuid_msgs': ['/opt/ros/indigo/share/uuid_msgs/msg'], 'rosmake': ['/opt/ros/indigo/share/rosmake/msg'], 'ecl_type_traits': ['/opt/ros/indigo/share/ecl_type_traits/msg'], 'theora_image_transport': ['/opt/ros/indigo/share/theora_image_transport/msg'], 'actionlib': ['/opt/ros/indigo/share/actionlib/msg'], 'rocon_app_utilities': ['/opt/ros/indigo/share/rocon_app_utilities/msg'], 'base_local_planner': ['/opt/ros/indigo/share/base_local_planner/msg'], 'roslisp': ['/opt/ros/indigo/share/roslisp/msg'], 'zeroconf_msgs': ['/opt/ros/indigo/share/zeroconf_msgs/msg'], 'yocs_cmd_vel_mux': ['/opt/ros/indigo/share/yocs_cmd_vel_mux/msg'], 'laser_scan_publisher_tutorial': ['/opt/ros/indigo/share/laser_scan_publisher_tutorial/msg'], 'rqt_py_common': ['/opt/ros/indigo/share/rqt_py_common/msg'], 'rocon_icons': ['/opt/ros/indigo/share/rocon_icons/msg'], 'compressed_depth_image_transport': ['/opt/ros/indigo/share/compressed_depth_image_transport/msg'], 'kobuki_dock_drive': ['/opt/ros/indigo/share/kobuki_dock_drive/msg'], 'kobuki_keyop': ['/opt/ros/indigo/share/kobuki_keyop/msg'], 'urdf_parser_plugin': ['/opt/ros/indigo/share/urdf_parser_plugin/msg'], 'orocos_kdl': ['/opt/ros/indigo/share/orocos_kdl/msg'], 'rosbag_migration_rule': ['/opt/ros/indigo/share/rosbag_migration_rule/msg'], 'nodelet_topic_tools': ['/opt/ros/indigo/share/nodelet_topic_tools/msg'], 'nodelet_tutorial_math': ['/opt/ros/indigo/share/nodelet_tutorial_math/msg'], 'ecl_exceptions': ['/opt/ros/indigo/share/ecl_exceptions/msg'], 'laser_cb_detector': ['/opt/ros/indigo/share/laser_cb_detector/msg'], 'roslib': ['/opt/ros/indigo/share/roslib/msg'], 'bfl': ['/opt/ros/indigo/share/bfl/msg'], 'astra_launch': ['/opt/ros/indigo/share/astra_launch/msg'], 'roswtf': ['/opt/ros/indigo/share/roswtf/msg'], 'geometric_shapes': ['/opt/ros/indigo/share/geometric_shapes/msg'], 'shape_msgs': ['/opt/ros/indigo/share/shape_msgs/msg'], 'ecl_containers': ['/opt/ros/indigo/share/ecl_containers/msg'], 'ecl_license': ['/opt/ros/indigo/share/ecl_license/msg'], 'rqt_rviz': ['/opt/ros/indigo/share/rqt_rviz/msg'], 'rosgraph_msgs': ['/opt/ros/indigo/share/rosgraph_msgs/msg'], 'ecl_mpl': ['/opt/ros/indigo/share/ecl_mpl/msg'], 'xacro': ['/opt/ros/indigo/share/xacro/msg'], 'rqt_msg': ['/opt/ros/indigo/share/rqt_msg/msg'], 'gl_dependency': ['/opt/ros/indigo/share/gl_dependency/msg'], 'rosnode': ['/opt/ros/indigo/share/rosnode/msg'], 'rocon_apps': ['/opt/ros/indigo/share/rocon_apps/msg'], 'depth_image_proc': ['/opt/ros/indigo/share/depth_image_proc/msg'], 'python_qt_binding': ['/opt/ros/indigo/share/python_qt_binding/msg'], 'kobuki_bumper2pc': ['/opt/ros/indigo/share/kobuki_bumper2pc/msg'], 'clear_costmap_recovery': ['/opt/ros/indigo/share/clear_costmap_recovery/msg'], 'rqt_gui_cpp': ['/opt/ros/indigo/share/rqt_gui_cpp/msg'], 'openni_launch': ['/opt/ros/indigo/share/openni_launch/msg'], 'roscpp_traits': ['/opt/ros/indigo/share/roscpp_traits/msg'], 'smach_msgs': ['/opt/ros/indigo/share/smach_msgs/msg'], 'image_cb_detector': ['/opt/ros/indigo/share/image_cb_detector/msg'], 'joy': ['/opt/ros/indigo/share/joy/msg'], 'kdl_conversions': ['/opt/ros/indigo/share/kdl_conversions/msg'], 'actionlib_tutorials': ['/opt/ros/indigo/share/actionlib_tutorials/msg'], 'ecl_geometry': ['/opt/ros/indigo/share/ecl_geometry/msg'], 'turtle_actionlib': ['/opt/ros/indigo/share/turtle_actionlib/msg'], 'dynamixel_tutorials': ['/opt/ros/indigo/share/dynamixel_tutorials/msg'], 'bondcpp': ['/opt/ros/indigo/share/bondcpp/msg'], 'gateway_msgs': ['/opt/ros/indigo/share/gateway_msgs/msg'], 'ecl_converters': ['/opt/ros/indigo/share/ecl_converters/msg'], 'arbotix_sensors': ['/opt/ros/indigo/share/arbotix_sensors/msg'], 'turtlesim': ['/opt/ros/indigo/share/turtlesim/msg'], 'diagnostic_analysis': ['/opt/ros/indigo/share/diagnostic_analysis/msg'], 'interactive_markers': ['/opt/ros/indigo/share/interactive_markers/msg'], 'rqt_reconfigure': ['/opt/ros/indigo/share/rqt_reconfigure/msg'], 'rocon_python_redis': ['/opt/ros/indigo/share/rocon_python_redis/msg'], 'freenect_stack': ['/opt/ros/indigo/share/freenect_stack/msg'], 'calibration_msgs': ['/opt/ros/indigo/share/calibration_msgs/msg'], 'laser_filters_jsk_patch': ['/opt/ros/indigo/share/laser_filters_jsk_patch/msg'], 'message_runtime': ['/opt/ros/indigo/share/message_runtime/msg'], 'std_msgs': ['/opt/ros/indigo/share/std_msgs/msg'], 'rocon_app_manager_msgs': ['/opt/ros/indigo/share/rocon_app_manager_msgs/msg'], 'angles': ['/opt/ros/indigo/share/angles/msg'], 'rocon_hub': ['/opt/ros/indigo/share/rocon_hub/msg'], 'laser_scan_sparsifier': ['/opt/ros/indigo/share/laser_scan_sparsifier/msg'], 'joint_state_publisher': ['/opt/ros/indigo/share/joint_state_publisher/msg'], 'stereo_image_proc': ['/opt/ros/indigo/share/stereo_image_proc/msg'], 'kobuki_description': ['/opt/ros/indigo/share/kobuki_description/msg'], 'ecl_formatters': ['/opt/ros/indigo/share/ecl_formatters/msg'], 'class_loader': ['/opt/ros/indigo/share/class_loader/msg'], 'laser_tilt_controller_filter': ['/opt/ros/indigo/share/laser_tilt_controller_filter/msg'], 'create_node': ['/opt/ros/indigo/share/create_node/msg'], 'nav_msgs': ['/opt/ros/indigo/share/nav_msgs/msg'], 'ecl_command_line': ['/opt/ros/indigo/share/ecl_command_line/msg'], 'tf2_ros': ['/opt/ros/indigo/share/tf2_ros/msg'], 'librviz_tutorial': ['/opt/ros/indigo/share/librviz_tutorial/msg'], 'image_geometry': ['/opt/ros/indigo/share/image_geometry/msg'], 'librealsense': ['/opt/ros/indigo/share/librealsense/msg'], 'turtlebot_bringup': ['/opt/ros/indigo/share/turtlebot_bringup/msg'], 'roslaunch': ['/opt/ros/indigo/share/roslaunch/msg'], 'rqt_logger_level': ['/opt/ros/indigo/share/rqt_logger_level/msg'], 'kobuki_random_walker': ['/opt/ros/indigo/share/kobuki_random_walker/msg'], 'openslam_gmapping': ['/opt/ros/indigo/share/openslam_gmapping/msg'], 'kdl_parser': ['/opt/ros/indigo/share/kdl_parser/msg'], 'ecl_config': ['/opt/ros/indigo/share/ecl_config/msg'], 'catkin': ['/opt/ros/indigo/share/catkin/msg'], 'image_view': ['/opt/ros/indigo/share/image_view/msg'], 'rqt_py_console': ['/opt/ros/indigo/share/rqt_py_console/msg'], 'pointcloud_to_laserscan': ['/opt/ros/indigo/share/pointcloud_to_laserscan/msg'], 'navfn': ['/opt/ros/indigo/share/navfn/msg'], 'smclib': ['/opt/ros/indigo/share/smclib/msg'], 'ecl_devices': ['/opt/ros/indigo/share/ecl_devices/msg'], 'capabilities': ['/opt/ros/indigo/share/capabilities/msg'], 'rosbuild': ['/opt/ros/indigo/share/rosbuild/msg'], 'qt_gui_cpp': ['/opt/ros/indigo/share/qt_gui_cpp/msg'], 'roslang': ['/opt/ros/indigo/share/roslang/msg'], 'genlisp': ['/opt/ros/indigo/share/genlisp/msg'], 'robot_state_publisher': ['/opt/ros/indigo/share/robot_state_publisher/msg'], 'laser_proc': ['/opt/ros/indigo/share/laser_proc/msg'], 'rqt_top': ['/opt/ros/indigo/share/rqt_top/msg'], 'move_base': ['/opt/ros/indigo/share/move_base/msg'], 'genmsg': ['/opt/ros/indigo/share/genmsg/msg'], 'turtle_tf2': ['/opt/ros/indigo/share/turtle_tf2/msg'], 'rosmaster': ['/opt/ros/indigo/share/rosmaster/msg'], 'actionlib_msgs': ['/opt/ros/indigo/share/actionlib_msgs/msg'], 'rocon_std_msgs': ['/opt/ros/indigo/share/rocon_std_msgs/msg'], 'spacenav_node': ['/opt/ros/indigo/share/spacenav_node/msg'], 'laser_geometry': ['/opt/ros/indigo/share/laser_geometry/msg'], 'gencpp': ['/opt/ros/indigo/share/gencpp/msg'], 'rqt_bag': ['/opt/ros/indigo/share/rqt_bag/msg'], 'rocon_interactions': ['/opt/ros/indigo/share/rocon_interactions/msg'], 'rosout': ['/opt/ros/indigo/share/rosout/msg'], 'camera_calibration_parsers': ['/opt/ros/indigo/share/camera_calibration_parsers/msg'], 'turtlebot_capabilities': ['/opt/ros/indigo/share/turtlebot_capabilities/msg'], 'qwt_dependency': ['/opt/ros/indigo/share/qwt_dependency/msg'], 'rostime': ['/opt/ros/indigo/share/rostime/msg'], 'rqt_nav_view': ['/opt/ros/indigo/share/rqt_nav_view/msg'], 'roslint': ['/opt/ros/indigo/share/roslint/msg'], 'ecl_time_lite': ['/opt/ros/indigo/share/ecl_time_lite/msg'], 'rosunit': ['/opt/ros/indigo/share/rosunit/msg'], 'kobuki_node': ['/opt/ros/indigo/share/kobuki_node/msg'], 'move_base_msgs': ['/opt/ros/indigo/share/move_base_msgs/msg'], 'stage': ['/opt/ros/indigo/share/stage/msg'], 'laser_ortho_projector': ['/opt/ros/indigo/share/laser_ortho_projector/msg'], 'camera_info_manager': ['/opt/ros/indigo/share/camera_info_manager/msg'], 'rocon_uri': ['/opt/ros/indigo/share/rocon_uri/msg'], 'pcl_msgs': ['/opt/ros/indigo/share/pcl_msgs/msg'], 'usb_cam': ['/opt/ros/indigo/share/usb_cam/msg'], 'rviz_python_tutorial': ['/opt/ros/indigo/share/rviz_python_tutorial/msg'], 'rqt_gui_py': ['/opt/ros/indigo/share/rqt_gui_py/msg'], 'rosbash': ['/opt/ros/indigo/share/rosbash/msg'], 'rqt_bag_plugins': ['/opt/ros/indigo/share/rqt_bag_plugins/msg'], 'rqt_plot': ['/opt/ros/indigo/share/rqt_plot/msg'], 'arbotix_python': ['/opt/ros/indigo/share/arbotix_python/msg'], 'control_msgs': ['/opt/ros/indigo/share/control_msgs/msg'], 'pr2_msgs': ['/opt/ros/indigo/share/pr2_msgs/msg'], 'kobuki_msgs': ['/opt/ros/indigo/share/kobuki_msgs/msg'], 'pocketsphinx': ['/opt/ros/indigo/share/pocketsphinx/msg'], 'rqt_shell': ['/opt/ros/indigo/share/rqt_shell/msg'], 'openni_camera': ['/opt/ros/indigo/share/openni_camera/msg'], 'cv_bridge': ['/opt/ros/indigo/share/cv_bridge/msg'], 'rocon_interaction_msgs': ['/opt/ros/indigo/share/rocon_interaction_msgs/msg'], 'audio_common_msgs': ['/opt/ros/indigo/share/audio_common_msgs/msg'], 'std_srvs': ['/opt/ros/indigo/share/std_srvs/msg'], 'octomap': ['/opt/ros/indigo/share/octomap/msg'], 'amcl': ['/opt/ros/indigo/share/amcl/msg'], 'bondpy': ['/opt/ros/indigo/share/bondpy/msg'], 'tf2_py': ['/opt/ros/indigo/share/tf2_py/msg'], 'cmake_modules': ['/opt/ros/indigo/share/cmake_modules/msg'], 'nav_core': ['/opt/ros/indigo/share/nav_core/msg'], 'openni2_camera': ['/opt/ros/indigo/share/openni2_camera/msg'], 'kobuki_ftdi': ['/opt/ros/indigo/share/kobuki_ftdi/msg'], 'rocon_console': ['/opt/ros/indigo/share/rocon_console/msg'], 'robot_pose_ekf': ['/opt/ros/indigo/share/robot_pose_ekf/msg'], 'image_proc': ['/opt/ros/indigo/share/image_proc/msg'], 'roscpp': ['/opt/ros/indigo/share/roscpp/msg'], 'zeroconf_avahi': ['/opt/ros/indigo/share/zeroconf_avahi/msg'], 'kobuki_rapps': ['/opt/ros/indigo/share/kobuki_rapps/msg'], 'velodyne_driver': ['/opt/ros/indigo/share/velodyne_driver/msg'], 'rosclean': ['/opt/ros/indigo/share/rosclean/msg'], 'pr2_description': ['/opt/ros/indigo/share/pr2_description/msg'], 'message_filters': ['/opt/ros/indigo/share/message_filters/msg'], 'rospy_tutorials': ['/opt/ros/indigo/share/rospy_tutorials/msg'], 'random_numbers': ['/opt/ros/indigo/share/random_numbers/msg'], 'gazebo_plugins': ['/opt/ros/indigo/share/gazebo_plugins/msg'], 'velodyne_pointcloud': ['/opt/ros/indigo/share/velodyne_pointcloud/msg'], 'voxel_grid': ['/opt/ros/indigo/share/voxel_grid/msg'], 'map_msgs': ['/opt/ros/indigo/share/map_msgs/msg'], 'rosbag': ['/opt/ros/indigo/share/rosbag/msg']}]

  

ROS的msg确认时出现这种问题

原因是没有运行setup.bash

利用source setup.bash后得到连解决.