File "/opt/ros/melodic/lib/python2.7/dist-packages/rospy/topics.py", line 750, in _invoke_callback cb(msg)
时间: 2023-08-08 07:04:41 浏览: 156
这个错误是在ROS中使用Python编写的程序中出现的。根据引用\[2\]中的错误信息,可以看出是在调用回调函数时出现了问题。具体来说,错误发生在`img_save_callback`函数中的`cv_bridge.cv2_to_imgmsg`这一行。根据错误信息,可能是由于缺少`libcv_bridge.so`文件导致的。为了解决这个问题,可以尝试安装`vision_opencv`包,这可能是由于OpenCV的兼容性问题引起的。另外,根据引用\[3\]中的信息,还可以尝试使用`catkin_make`指令的替代命令`catkin_make -DPYTHON_EXECUTABLE=/usr/bin/python3 -DPYTHON_INCLUDE_DIR=/usr/include/python3.6 -DPYTHON_LIBRARY=/usr/lib/python3.6/config-3.6m-x86_64-linux-gnu/libpython3.6.so`来编译程序。这些步骤应该能够解决你遇到的问题。
#### 引用[.reference_title]
- *1* [ROS 安装遇到的问题](https://blog.csdn.net/mandadinda/article/details/110210146)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [cv_bridge与python版本问题导致编译错误error: return-statement with no value, in function returning ...](https://blog.csdn.net/qq_36305156/article/details/126971948)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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