① 操作系统: Ubuntu20.04
② ROS版本: noetic (环境是自己搭建的)
③ 问题表现/内容:Error: Failed to build tree: child link [camera_link] of joint [camera_frame_joint] not found
at line 252 in /build/urdfdom-VnCcob/urdfdom-1.0.4+ds/urdf_parser/src/model.cpp
④ 做过什么尝试/修改:无
⑥ 复现问题的步骤:
rosrun xacro xacro mini_mec.xacro > mini_mec.urdf
check_urdf mini_mec.urdf
然后就报错。