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如何修复 Ubuntu 上 ROS2 Could not find the resource 'joint_state_publisher_gui'

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问题

运行或启动你的 ROS 包时，你看到以下错误消息：

ament-index-error.txt
File "/opt/ros/jazzy/lib/python3.12/site-packages/ament_index_python/packages.py", line 60, in get_package_prefix
    content, package_prefix = get_resource('packages', package_name)
                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/ros/jazzy/lib/python3.12/site-packages/ament_index_python/resources.py", line 93, in get_resource
    raise LookupError(
LookupError: Could not find the resource 'joint_state_publisher_gui' of type 'packages'

解决方案

你需要使用 apt 安装 joint-state-publisher-gui 包：

install-joint-state-publisher.sh
sudo apt -y install ros-jazzy-joint-state-publisher-gui
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