at /opt/ros/melodic/share/catkin/cmake/safe_execute_process.cmake:11 (message): execute_process(/home/lmr/slam/catkin_ws/build/catkin_generated/env_cached.sh "/usr/bin/python2" "/usr/bin/empy" "--raw-errors" "-F" "/home/lmr/slam/catkin_ws/build/learning_service/cmake/learning_service-genmsg-context.py" "-o" "/home/lmr/slam/catkin_ws/build/learning_service/cmake/learning_service-genmsg.cmake" "/opt/ros/melodic/share/genmsg/cmake/pkg-genmsg.cmake.em") returned error code 1 Call Stack (most recent call first): /opt/ros/melodic/share/catkin/cmake/em_expand.cmake:25 (safe_execute_process) /opt/ros/melodic/share/genmsg/cmake/genmsg-extras.cmake:303 (em_expand) learning_service/CMakeLists.txt:74 (generate_messages)

这个错误是由于在构建 learning_service 时发生的。根据错误信息，执行 execute_process 命令时返回了错误代码 1。这通常表示执行过程中出现了问题。
要解决这个错误，可以尝试以下几个步骤：

确保你的系统上已经安装了所需的依赖项。检查你的 CMakeLists.txt 文件，确保所有需要的依赖项都已正确设置。

确保你的 Python2 版本和 empy 工具已正确安装。可以尝试运行命令 python2 --version 和 empy --version 来验证它们是否正确安装并且可在终端中执行。

检查 learning_service-genmsg-context.py 文件是否存在，并且路径是否正确。确保该文件位于 /home/lmr/slam/catkin_ws/build/learning_service/cmake/ 目录下，并且文件名正确。

检查你的构建环境是否正确设置。可以尝试重新构建你的工作空间并清理构建目录，然后再次尝试进行构建。

如果上述步骤都没有解决问题，建议检查更详细的错误信息，以确定导致错误的具体原因。你可以查看完整的构建日志或调试输出以获取更多有关错误的信息。

相关问题

mportError: "from catkin_pkg.package import parse_package" failed: No module named 'catkin_pkg' Make sure that you have installed "catkin_pkg", it is up to date and on the PYTHONPATH. CMake Error at /opt/ros/noetic/share/catkin/cmake/safe_execute_process.cmake:11 (message): execute_process(/home/k/anaconda3/bin/python3 "/opt/ros/noetic/share/catkin/cmake/parse_package_xml.py" "/opt/ros/noetic/share/catkin/cmake/../package.xml" "/home/k/catkin_ws/build/catkin/catkin_generated/version/package.cmake") returned error code 1 Call Stack (most recent call first): /opt/ros/noetic/share/catkin/cmake/catkin_package_xml.cmake:74 (safe_execute_process) /opt/ros/noetic/share/catkin/cmake/all.cmake:168 (_catkin_package_xml) /opt/ros/noetic/share/catkin/cmake/catkinConfig.cmake:20 (include) CMakeLists.txt:58 (find_package) -- Configuring incomplete, errors occurred! See also "/home/k/catkin_ws/build/CMakeFiles/CMakeOutput.log". See also "/home/k/catkin_ws/build/CMakeFiles/CMakeError.log". Invoking "cmake" failed

这个错误是因为您缺少了catkin_pkg模块。您需要安装catkin_pkg模块并将其添加到PYTHONPATH中。您可以通过以下命令安装它：
pip install catkin_pkg

然后，将以下命令添加到您的.bashrc文件中，将catkin_pkg添加到PYTHONPATH中：
export PYTHONPATH=$PYTHONPATH:/usr/local/lib/python2.7/dist-packages:/home/k/.local/lib/python3.8/site-packages:/opt/ros/noetic/lib/python3/dist-packages

请将上述命令中的路径更改为您计算机上实际安装的catkin_pkg模块的路径。完成后，重新启动终端并尝试重新构建您的代码。

CMake Error at /opt/ros/noetic/share/catkin/cmake/stamp.cmake:10 (configure_file): configure_file Problem configuring file Call Stack (most recent call first): /opt/ros/noetic/share/catkin/cmake/catkin_package_xml.cmake:72 (stamp) /opt/ros/noetic/share/catkin/cmake/catkin_package_xml.cmake:50 (_catkin_package_xml) /opt/ros/noetic/share/catkin/cmake/catkin_package.cmake:99 (catkin_package_xml) CMakeLists.txt:10 (catkin_package)

这个错误表明在你的CMakeLists.txt文件中有一个问题，导致无法正确配置'/opt/ros/noetic/share/catkin/cmake/stamp.cmake'文件。要解决这个问题，你可以尝试以下几个步骤：

确保你的package.xml文件中正确地列出了'catkin'作为buildtool依赖项。修改package.xml文件并确保以下行存在：
<buildtool_depend>catkin</buildtool_depend>

确保你的CMakeLists.txt文件中正确地使用了catkin_package()函数，并传递了正确的参数。确保以下行存在，并使用你的项目信息替换占位符：
catkin_package(
...
)

如果你已经尝试了上述步骤但仍然遇到问题，可能是由于其他CMake配置错误导致的。请仔细检查你的CMakeLists.txt文件，并确保没有其他语法或配置错误。

如果你仍然无法解决问题，建议提供更多的错误详细信息和相关的CMakeLists.txt内容，这样我就可以更好地帮助你解决问题。