roslaunch src/gazebo_pkg/launch/race.launch waking_robot.xacro:=1 ... logging to /home/wk/.ros/log/78229ea2-2a00-11ee-b07b-9f8905fcc413/roslaunch-wk-wk-22676.log Checking log directory for disk usage. This may take a while. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. RLException: [src/gazebo_pkg/launch/race.launch] requires the 'waking_robot.xacro' arg to be set The traceback for the exception was written to the log file
时间: 2024-04-23 19:28:01 浏览: 206
非常抱歉,我之前给出的解决方案没有生效。这个错误提示仍然指出需要设置'waking_robot.xacro'参数。请确保在roslaunch命令中正确设置了该参数的值。例如:
```
roslaunch src/gazebo_pkg/launch/race.launch waking_robot.xacro:=1
```
请确保提供了正确的参数值,并重新运行roslaunch命令。如果问题仍然存在,请检查launch文件是否正确配置,并确认参数的名称和值是否正确。
相关问题
wk@wk-wk:~/gazebo_test_ws$ roslaunch src/gazebo_pkg/launch/race.launch ... logging to /home/wk/.ros/log/e4ebed1e-29ff-11ee-b07b-9f8905fcc413/roslaunch-wk-wk-22666.log Checking log directory for disk usage. This may take a while. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. RLException: [src/gazebo_pkg/launch/race.launch] requires the 'waking_robot.xacro' arg to be set The traceback for the exception was written to the log file
这个错误是由于launch文件中的"waking_robot.xacro"参数没有设置导致的。要解决这个问题,你需要在运行roslaunch命令时,指定"waking_robot.xacro"参数的值。例如:
```
roslaunch src/gazebo_pkg/launch/race.launch waking_robot.xacro:=<value>
```
其中`<value>`是你希望设置的具体值。请确保提供了正确的参数值,并重新运行roslaunch命令。
buntu@ubuntu:~/catkin_ws$ roslaunch px4 outdoor1_ugv.launch ... logging to /home/ubuntu/.ros/log/ed112e04-026c-11f0-bcd0-000c29403a3e/roslaunch-ubuntu-34693.log Checking log directory for disk usage. This may take a while. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. Resource not found: catvehicle ROS path [0]=/opt/ros/melodic/share/ros ROS path [1]=/home/ubuntu/catkin_ws/src/gazebo_ros_pkgs/gazebo_dev ROS path [2]=/home/ubuntu/catkin_ws/src/gazebo_ros_pkgs/gazebo_msgs ROS path [3]=/home/ubuntu/catkin_ws/src/gazebo_ros_pkgs/gazebo_ros ROS path [4]=/home/ubuntu/catkin_ws/src/gazebo_ros_pkgs/gazebo_plugins ROS path [5]=/home/ubuntu/catkin_ws/src/gazebo_ros_pkgs/gazebo_ros_control ROS path [6]=/home/ubuntu/catkin_ws/src/gazebo_ros_pkgs/gazebo_ros_pkgs ROS path [7]=/opt/ros/melodic/share ROS path [8]=/home/ubuntu/PX4_Firmware ROS path [9]=/home/ubuntu/PX4_Firmware/Tools/sitl_gazebo The traceback for the exception was written to the log file
<think>好的,我需要解决用户提到的在ROS Melodic中出现的“Resource not found: catvehicle”错误。用户已经检查了路径,包括/opt/ros/melodic/share和catkin_ws/src,但依然找不到catvehicle包。用户尝试运行roslaunch px4 outdoor1_ugv.launch时遇到了这个问题。
首先,我应该回忆一下常见的ROS资源未找到错误的原因。根据用户提供的引用内容,比如引用[1]和引用[2],这类错误通常是因为缺少相应的功能包或依赖。解决方法通常是使用apt-get安装对应的ROS包,例如sudo apt-get install ros-melodic-rgbd-launch或ros-$ROS_DISTRO-navigation。同样,引用[3]中的问题是因为package.xml中缺少构建工具依赖,导致编译失败,解决方法是修改package.xml文件。
现在用户的问题是找不到catvehicle包。首先,我需要确认catvehicle是否是一个官方或社区维护的ROS包。如果它是第三方包,可能需要从源码安装。检查是否已经正确安装了该包。用户提到检查了/opt/ros/melodic/share和catkin_ws/src,但没找到,说明可能没有安装或者安装路径不正确。
可能的解决步骤:
1. 检查catvehicle是否存在于ROS的软件仓库中,使用apt-cache search ros-melodic-catvehicle,如果没有,可能需要从源码安装。
2. 如果包不存在于官方仓库,用户需要从GitHub或其他来源克隆源码到catkin_ws/src,然后重新编译。
3. 确保编译后source了setup.bash文件,以便ROS能够识别新安装的包。
4. 检查package.xml中的依赖项是否正确,特别是构建依赖和运行依赖,类似引用[3]中的问题。
用户可能需要安装依赖项,或者安装catvehicle包本身。如果包是从源码安装的,需要确保编译成功,并且路径正确。此外,运行rosdep install命令可能有助于安装缺少的依赖。
总结可能的解决方案:
- 安装catvehicle包:sudo apt-get install ros-melodic-catvehicle(如果存在)
- 如果不存在,则从源码安装:
- 克隆仓库到catkin_ws/src
- 运行catkin_make
- source devel/setup.bash
- 检查依赖项并安装缺失的依赖</think>要解决ROS Melodic中出现的`Resource not found: catvehicle`错误,可以按照以下步骤操作:
### 1. 检查包是否存在官方仓库
首先确认`catvehicle`是否存在于ROS官方或社区维护的软件源中:
```bash
apt-cache search ros-melodic-catvehicle
```
若未找到结果,则需手动从源码安装。
### 2. 从源码安装
如果`catvehicle`是第三方包(如GitHub仓库):
```bash
cd ~/catkin_ws/src
git clone https://github.com/<repository_path>/catvehicle.git # 替换为实际仓库路径
cd ..
catkin_make
source devel/setup.bash
```
### 3. 验证安装路径
确保编译后包路径正确:
- 编译后的包应位于`~/catkin_ws/devel/share/catvehicle`
- ROS环境变量`ROS_PACKAGE_PATH`需包含此路径:
```bash
echo $ROS_PACKAGE_PATH
```
### 4. 安装依赖项
若编译时报错缺少依赖,使用`rosdep`自动安装:
```bash
rosdep install --from-paths src --ignore-src -r -y
```
### 5. 检查`package.xml`
若依赖问题导致编译失败(类似引用[3]的问题),需在`package.xml`中添加声明:
```xml
<buildtool_depend>catkin</buildtool_depend>
<depend>roscpp</depend> <!-- 其他实际依赖项 -->
```
### 6. 更新环境变量
每次编译后需重新加载环境:
```bash
source ~/catkin_ws/devel/setup.bash
```
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