ERROR: Unable to communicate with service [/clear], address [rosrpc:/xxx-GP62MVR-6RF:36963]

asked 2019-06-26 02:28:01 -0500

updated 2019-06-26 02:39:13 -0500

gvdhoorn gravatar image

Hi, I'm a freshman for ROS. Here I meet a problem as shown in the title:

ERROR: Unable to communicate with service [/clear], address [rosrpc://xxx-GP62MVR-6RF:36963]

when I type the "rosservice type /clear" in the terminal under "ubuntu".

Can anyone help me to solve the problem? Thanks.

Reference:http://wiki.ros.org/ROS/Tut...

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