Todd, <br>I expect that you have a network configuration problem.  There is some help here <a href="http://www.ros.org/wiki/ROS/NetworkSetup">http://www.ros.org/wiki/ROS/NetworkSetup</a> 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.  <br>

<br>Tully<br><br><div class="gmail_quote">On Thu, Mar 18, 2010 at 4:57 PM, Todd Anderson <span dir="ltr">&lt;<a href="mailto:tdansel88@gmail.com">tdansel88@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">

Hey, I&#39;m trying to run some pretty simple code on an Erratic but I get the following ROSWTF error:<br>ERROR The following nodes should be connected but aren&#39;t:<br> * /stopper-&gt;/erratic_player (/cmd_vel)<br> * /stopper-&gt;/rosout (/rosout)<br>


<br>Any idea why? The stopper node shows up in RXGraph but isn&#39;t connected to ROSOUT.<br><br>Thanks<br clear="all"><font color="#888888"><br>-- <br>Todd Anderson<br>Washington University in St. Louis Class of 2011<br>

School of Engineering and Applied Sciences<br>

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<br></blockquote></div><br><br clear="all"><br>-- <br>Tully Foote<br>Systems Engineer<br>Willow Garage, Inc.<br><a href="mailto:tfoote@willowgarage.com">tfoote@willowgarage.com</a><br>(650) 475-2827<br>