roslaunch error

asked 2014-05-04 22:02:04 -0500

manaXmizery gravatar image

updated 2015-10-15 17:16:52 -0500

130s gravatar image

*Hi , I am trying to run roslaunch ros2opencv uvc_cam.launch , it gives me the following error :

... logging to /home/nyan/.ros/log/1d192da2-d1ca-11e3-8a0d-b870f417ccf2/roslaunch-nyan-Ideapad-Z460-8001.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server nyan-Ideapad-Z460:45076


 * /rosdistro
 * /rosversion
 * /uvc_cam_node/device
 * /uvc_cam_node/exposure
 * /uvc_cam_node/frame_rate
 * /uvc_cam_node/height
 * /uvc_cam_node/width

    uvc_cam_node (uvc_cam/uvc_cam_node)


core service [/rosout] found
ERROR: cannot launch node of type [uvc_cam/uvc_cam_node]: uvc_cam
ROS path [0]=/opt/ros/hydro/share/ros
ROS path [1]=/opt/ros/hydro/share
ROS path [2]=/opt/ros/hydro/stacks
No processes to monitor
shutting down processing monitor...
... shutting down processing monitor complete

Can anyone help me troubleshoot this error? I am a beginner in ros , and thus I will appreciate simple explanations. Thanks in advance.*

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Have you checked whether executable exists in mentioned parts.

prince gravatar image prince  ( 2014-05-04 22:23:51 -0500 )edit