Thanks for your reply, please see below
On Mon, Dec 20, 2010 at 3:56 AM, Ken Conley <
kwc@willowgarage.com> wrote:
> On Sun, Dec 19, 2010 at 2:05 AM, K Chen <chk0105@gmail.com> wrote:
> > Hi all:
> > I am new to ROS and still going through the tutorial, when I used
> > rxconsole and rxloggerlevel and did not close them until after I launched
> > the "mimic turtles", I used Ctrl C to end them respectively, but when I
> turn
> > to rxgraph window to see available node graph, they are still there with
> > error "Cannot communicate with ...". I tried rosnode kill and it
> displayed
> > "killed", but when using rosnode list to see present nodes, they are
> still
> > there, so does the rxgraph windows shows.
>
> It sounds like they were killed, but didn't die cleanly. There
> shouldn't be any effect on your system other than they show up in
> rxgraph.
>
Yes, but I can also see them using command "rosnode list". I don't know how
this command works, but I guess this info should come from Master Node, so
doesn't it has any mechanism to "kick out" inactive nodes out of ROS
network?
>
> > So I am asking whether this is normal that they cannot be killed,
> and
> > this won't cause anything unexpected ?
>
> This sounds like a bug in rxconsole and rxloggerlevel. They should
> die cleanly on Ctrl-C.
>
> - Ken
> _______________________________________________
> ros-users mailing list
> ros-users@code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>
--
Regards
University of Science and Technology of China
School of Computer Science and Technology
K.Chen
(text/plain)