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usb_cam error : ERROR: cannot launch node of type [usb_cam/usb_cam_node]: Cannot locate node of type [usb_cam_node] in package [usb_cam]. Make sure file exists in package path and permission is set to executable (chmod +x)

melodic

asked 2020-08-18 03:21:34 -0500

kdasfbhn
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Firstly I managed to get it up and running without any problems. Then I created a package in catkin_ws called ''usb_cam''. Then I tried running again with roslaunch usb_cam usb_cam-test.launch and the following error appeared on the screen : ERROR: cannot launch node of type [usb_cam/usb_cam_node]: Cannot locate node of type [usb_cam_node] in package [usb_cam]. Make sure file exists in package path and permission is set to executable (chmod +x)

I guess I couldn't compile or edit the package. (I added roscpp and I did catkin_make)

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answered 2020-08-22 19:59:24 -0500

fergs

13902 ●59 ●157 ●196 http://www.robotandchisel.com

If you created a new package called "usb_cam" in your workspace, that would overlay the actual "usb_cam" package - making the usb_cam_node un-findable. ROS package names must be unique. If you're creating a new package, don't name it the same as an existing package (especially one you depend on).

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Asked: 2020-08-18 03:21:34 -0500

Seen: 1,601 times

Last updated: Aug 22 '20

usb_cam error : ERROR: cannot launch node of type [usb_cam/usb_cam_node]: Cannot locate node of type [usb_cam_node] in package [usb_cam]. Make sure file exists in package path and permission is set to executable (chmod +x) edit

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usb_cam error : ERROR: cannot launch node of type [usb_cam/usb_cam_node]: Cannot locate node of type [usb_cam_node] in package [usb_cam]. Make sure file exists in package path and permission is set to executable (chmod +x)