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something is wrong when i run turtlesim_node

asked 2017-09-19 01:43:33 -0500

summer
15 ●4 ●5 ●10

I am a beginner, I am learning ROS.org I use the ‘indigo’ version
when i run this "rosrun turtlesim turtlesim_node"
The screen display [ERROR] [1505802741.783016851]: [registerPublisher] Failed to contact master at [localhost:11311]. retrying... How to resolve this problem?

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answered 2017-09-20 04:07:28 -0500

378 ●3 ●24 ●11 https://www.linkedin.c...

Do you initialized the ros? with the roscore?

Try type the command " roscore " before. In another terminal's window

http://wiki.ros.org/ROS/CommandLineTo...

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Ok ,it is working .Thank you very much.

summer ( 2017-09-20 22:24:00 -0500 )edit

@summer, if this answered your question then please click the checkmark to accept the answer.

jayess ( 2017-09-21 00:25:49 -0500 )edit

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Asked: 2017-09-19 01:43:33 -0500

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Last updated: Sep 20 '17

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