[FishBot教程]9.0.7. FishBot-Nav2导航测试
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@小鱼 在 [FishBot教程]7. FishBot-Nav2导航测试 中说：
ros2 launch fishbot_bringup fishbot_bringup.launch.py
eepdriving@deepdriving:~/fishbot$ ros2 launch fishbot_bringup fishbot_bringup.launch.py [INFO] [launch]: All log files can be found below /home/deepdriving/.ros/log/2024-05-11-15-55-53-146433-deepdriving-1888666 [INFO] [launch]: Default logging verbosity is set to INFO Task exception was never retrieved future: <Task finished name='Task-2' coro=<LaunchService._process_one_event() done, defined at /opt/ros/foxy/lib/python3.8/site-packages/launch/launch_service.py:226> exception=PackageNotFoundError("package 'joint_state_publisher' not found, searching: ['/home/deepdriving/fishbot/install/fishbot_navigation2', '/home/deepdriving/fishbot/install/fishbot_interfaces', '/home/deepdriving/fishbot/install/fishbot_description', '/home/deepdriving/fishbot/install/fishbot_cartographer', '/home/deepdriving/fishbot/install/fishbot_bringup', '/opt/ros/foxy']")> Traceback (most recent call last): File "/opt/ros/foxy/lib/python3.8/site-packages/ament_index_python/packages.py", line 50, in get_package_prefix content, package_prefix = get_resource('packages', package_name) File "/opt/ros/foxy/lib/python3.8/site-packages/ament_index_python/resources.py", line 48, in get_resource raise LookupError( LookupError: Could not find the resource 'joint_state_publisher' of type 'packages' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_service.py", line 228, in _process_one_event await self.__process_event(next_event) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_service.py", line 248, in __process_event visit_all_entities_and_collect_futures(entity, self.__context)) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/utilities/visit_all_entities_and_collect_futures_impl.py", line 45, in visit_all_entities_and_collect_futures futures_to_return += visit_all_entities_and_collect_futures(sub_entity, context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/utilities/visit_all_entities_and_collect_futures_impl.py", line 45, in visit_all_entities_and_collect_futures futures_to_return += visit_all_entities_and_collect_futures(sub_entity, context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/utilities/visit_all_entities_and_collect_futures_impl.py", line 45, in visit_all_entities_and_collect_futures futures_to_return += visit_all_entities_and_collect_futures(sub_entity, context) [Previous line repeated 1 more time] File "/opt/ros/foxy/lib/python3.8/site-packages/launch/utilities/visit_all_entities_and_collect_futures_impl.py", line 38, in visit_all_entities_and_collect_futures sub_entities = entity.visit(context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/action.py", line 108, in visit return self.execute(context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch_ros/actions/node.py", line 453, in execute ret = super().execute(context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/actions/execute_process.py", line 823, in execute self.__expand_substitutions(context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/actions/execute_process.py", line 668, in __expand_substitutions cmd = [perform_substitutions(context, x) for x in self.__cmd] File "/opt/ros/foxy/lib/python3.8/site-packages/launch/actions/execute_process.py", line 668, in <listcomp> cmd = [perform_substitutions(context, x) for x in self.__cmd] File "/opt/ros/foxy/lib/python3.8/site-packages/launch/utilities/perform_substitutions_impl.py", line 26, in perform_substitutions return ''.join([context.perform_substitution(sub) for sub in subs]) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/utilities/perform_substitutions_impl.py", line 26, in <listcomp> return ''.join([context.perform_substitution(sub) for sub in subs]) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_context.py", line 232, in perform_substitution return substitution.perform(self) File "/opt/ros/foxy/lib/python3.8/site-packages/launch_ros/substitutions/executable_in_package.py", line 76, in perform package_prefix = super().perform(context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch_ros/substitutions/find_package.py", line 79, in perform result = self.find(package) File "/opt/ros/foxy/lib/python3.8/site-packages/launch_ros/substitutions/find_package.py", line 96, in find return get_package_prefix(package_name) File "/opt/ros/foxy/lib/python3.8/site-packages/ament_index_python/packages.py", line 52, in get_package_prefix raise PackageNotFoundError( ament_index_python.packages.PackageNotFoundError: "package 'joint_state_publisher' not found, searching: ['/home/deepdriving/fishbot/install/fishbot_navigation2', '/home/deepdriving/fishbot/install/fishbot_interfaces', '/home/deepdriving/fishbot/install/fishbot_description', '/home/deepdriving/fishbot/install/fishbot_cartographer', '/home/deepdriving/fishbot/install/fishbot_bringup', '/opt/ros/foxy']" -
@1578752813 1.请使用ubuntu22.04 系统 2.请安装 joint_state_publisher
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@小鱼 在 [FishBot教程]7. FishBot-Nav2导航测试 中说：
rosdep install --from-paths src --ignore-src -y -r
使用foxy版本的ros2的话，git clone 之后，记得要git checkout foxy，切换到对应分支，否则安装依赖时会有部分安装不上。
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@小鱼
我发现foxy版本fishbot_bringup没有这个包，还需要执行以下步骤吗？
如果不执行，直接执行nav2似乎不行source install/setup.bash ros2 launch fishbot_bringup fishbot_bringup.launch.py -
@1006076811 可以把humble版本的拷贝过去
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此回复已被删除！ -
@小鱼
安装依赖出错怎么解决呢 -
@小鱼 帮我看下rosdep install --from-paths src -y这个为什么出错呢
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@414115309 有rosdepc init 和 update 吗
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运行bringup 节点，没有将odom话题转化成tf消息显示如下图，
，应该怎么解决 -
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@小鱼 第二步能正常运行，就是bringup时，接收不到tf的消息
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此回复已被删除！ -
@2940867840 ros2 topic echo /odom 有没有数据呢
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@小鱼
可以看到数据 -
@2940867840 贴上launch文件单独发个帖子吧，不要截图
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在colcon build的时候 bringup功能包报错是因为什么啊？ -
运行bringup功能包的时候报错 joint_state_publisher不存在怎么解决啊 -
@1141682555 在 [FishBot教程]7. FishBot-Nav2导航测试 中说：
运行bringup功能包的时候报错 joint_state_publisher不存在怎么解决啊@小伊 ros2 humble 下出现的问题，用apt怎么安装
