ROS报错:joint-state-publisher报错

[WARN] [1664518996.207303]: The 'use_gui' parameter was specified, which is deprecated.  We'll attempt to find and run the GUI, but if this fails you should install the 'joint_state_publisher_gui' package instead and run that.  This backwards compatibility option will be removed in Noetic.
[ERROR] [1664518996.208012]: Could not find the GUI, install the 'joint_state_publisher_gui' package
[joint_state_publisher-2] process has died [pid 45929, exit code 1, cmd /opt/ros/melodic/lib/joint_state_publisher/joint_state_publisher __name:=joint_state_publisher __log:=/home/rosmelodic/.ros/log/5db3fa96-4088-11ed-89d6-000c2969e545/joint_state_publisher-2.log].
log file: /home/rosmelodic/.ros/log/5db3fa96-4088-11ed-89d6-000c2969e545/joint_state_publisher-2*.log

问题出现原因:

找到想要打开的launch文件,里面用到了一个关节状态的一个发布者。

roslaunch xarm_description xarm7_rviz_display.launch

这条命令打开的是一个演示文件,常常用来在moveit配置助手配置完一个机械臂后,进行检查看配置的正确性。

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