[FishBot教程]9.0.7. FishBot-Nav2导航测试
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第一步出现了如下问题，不知如何解决 -
@小鱼 鱼哥，换个目录是什么意思？
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又有新的问题 -
@921203724 别一次性运行太多指令，不然都搞不清楚是哪个出错，一步步来
看你的错误是克隆错误，已经存在fishbot工作空间了
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@小鱼
已经下载了rosdepc，结果还是让我跑rosdep -
现在报错变了，变成这样了 -
现在变成这样了 -
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@小鱼 可我的E盘有47.3GB可用啊
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@小鱼 0 upgraded, 82 newly installed, 0 to remove and 177 not upgraded.
Need to get 119 MB of archives.
After this operation, 323 MB of additional disk space will be used.
E: You don't have enough free space in /var/cache/apt/archives/.
ERROR: the following rosdeps failed to install
apt: command [sudo -H apt-get install -y ros-humble-gazebo-ros-pkgs] failed
apt: command [sudo -H apt-get install -y gazebo] failed
apt: command [sudo -H apt-get install -y ros-humble-gazebo-ros] failed
apt: Failed to detect successful installation of [ros-humble-gazebo-ros-pkgs]
apt: Failed to detect successful installation of [gazebo]
apt: Failed to detect successful installation of [ros-humble-gazebo-ros]
colcon: command not found就是这样，显示我地方不够，我腾E盘几个G还是这样
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@小鱼 0 upgraded, 0 newly installed, 0 to remove and 177 not upgraded.
#All required rosdeps installed successfully
colcon: command not found
现在安装成功了，但是colcon还是不成功 -
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@小鱼 OSError: [Errno 28] No space left on device: 'log/build_2023-03-11_13-56-33'
鱼哥，编译告诉我空间不够了，有什么好用的办法腾出来？
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@921203724 最好重新装下系统，分配大点空间
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此回复已被删除！ -
@小鱼 在 [FishBot教程]7. FishBot-Nav2导航测试 中说：
source install/setup.bash
ros2 launch fishbot_bringup fishbot_bringup.launch.py需要添加
cd fishbot
source install/setup.bash -
此回复已被删除！ -
鱼哥，请问一下第三部启动 bring up 报这个错如何解决？
[ERROR] [launch]: Caught exception in launch (see debug for traceback): "package 'joint_state_publisher' not found, searching: ['/home/tcode9/fishbot/fishbot/install/fishbot_navigation2', '/home/tcode9/fishbot/fishbot/install/fishbot_interfaces', '/home/tcode9/fishbot/fishbot/install/fishbot_description', '/home/tcode9/fishbot/fishbot/install/fishbot_cartographer', '/home/tcode9/fishbot/fishbot/install/fishbot_bringup', '/opt/ros/humble']” -
@小鱼 在 [FishBot教程]7. FishBot-Nav2导航测试 中说：
rosdep install --from-paths src --ignore-src -y -r # 安装依赖
这一步，先跑一次一键安装
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@小鱼 謝謝,已解決
