小刘同学321: 博主你好，我在编译文件的时候出现了警告，没有报错， /usr/bin/ld: warning: libopencv_imgcodecs.so.4.2, needed by /opt/ros/noetic/lib/libcv_bridge.so, may conflict with libopencv_imgcodecs.so.407 /usr/bin/ld: warning: libopencv_imgcodecs.so.4.2, needed by /opt/ros/noetic/lib/libcv_bridge.so, may conflict with libopencv_imgcodecs.so.407 /usr/bin/ld: warning: libopencv_imgcodecs.so.4.2, needed by /opt/ros/noetic/lib/libcv_bridge.so, may conflict with libopencv_imgcodecs.so.407 /usr/bin/ld: warning: libopencv_imgproc.so.407, needed by /usr/local/lib/libopencv_imgcodecs.so.4.7.0, may conflict with libopencv_imgproc.so.4.2 编译成功了，但是我允许节点的时候出现进程中断 [aruco_single-2] process has died [pid 401460, exit code -11, cmd /home/lxj/eye_in_hand/devel/lib/aruco_ros/single /camera_info:=/camera/color/camera_info /image:=/camera/color/image_raw __name:=aruco_single __log:=/home/lxj/.ros/log/ac2990b6-183e-11ef-95db-adedb857009a/aruco_single-2.log]. log file: /home/lxj/.ros/log/ac2990b6-183e-11ef-95db-adedb857009a/aruco_single-2*.log