Todd,
I expect that you have a network configuration problem.  There is some help
here http://www.ros.org/wiki/ROS/NetworkSetup can you try some of these
checks?  Also there might be informative warnings/errors in your log files
saying if the nodes had problems at startup.

Tully

On Thu, Mar 18, 2010 at 4:57 PM, Todd Anderson <tdansel88@gmail.com> wrote:

> Hey, I'm trying to run some pretty simple code on an Erratic but I get the
> following ROSWTF error:
> ERROR The following nodes should be connected but aren't:
>  * /stopper->/erratic_player (/cmd_vel)
>  * /stopper->/rosout (/rosout)
>
> Any idea why? The stopper node shows up in RXGraph but isn't connected to
> ROSOUT.
>
> Thanks
>
> --
> Todd Anderson
> Washington University in St. Louis Class of 2011
> School of Engineering and Applied Sciences
>
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>
>


-- 
Tully Foote
Systems Engineer
Willow Garage, Inc.
tfoote@willowgarage.com
(650) 475-2827