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I got some problem

asked 2015-04-15 04:55:08 -0600

sony
16 ●3 ●4 ●4

dear all, I want to run a simple example like this

sony@sony-virtual-machine:~$ rosrun turtlesim turtlesim_node[ERROR] [1429091431.360422919]: [registerPublisher] Failed to contact master at [localhost:11311]. Retrying... what`s wrong with this?

thank you all

Sony

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