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the question of rosrun turtlesim turtlesim_node

asked 2012-11-14 21:30:33 -0500

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strong textwhen i input rosrun turtlesim turtlesim_node in terminal, it displays that [ERROR] [1352970963.999973192]: [registerPublisher] Failed to contact master at [localemphasized texthost:11311]. Retrying... what's the matter? thanks!

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answered 2012-11-14 22:02:30 -0500

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Hi, try runing

roscore

in a different terminal

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Asked: 2012-11-14 21:30:33 -0500

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Last updated: Nov 14 '12

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