You should replace 'robot_name' with the address of where your
robot/roscore is. In this case, you should probably set:

export ROS_MASTER_URI=http://localhost:11311

Hope this helps,
Ken

On Mon, Jul 5, 2010 at 1:04 AM, j2eegirl <dp@zju.edu.cn> wrote:
>
> I run the beginner_turtle package. First, I run the command roscore. It seems
> all right. But when running the talker and listener, the screen displays
> Failed to contact the master at robot_name: 11311.
> How to deal with it? Thank you.
> --
> View this message in context: http://ros-users.122217.n3.nabble.com/Failed-to-contact-the-master-at-robot-name-11311-tp943764p943764.html
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