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SendingSimpleGoals

asked 2014-11-04 04:53:33 -0500

ros_master gravatar image

Hello guys, Following the SendingSimpleGoals tutorial

http://wiki.ros.org/navigation/Tutori...

, after running the executable, Waiting for the move_base action server to come up waits forever. Can anyone suggest me?

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answered 2014-11-04 04:58:27 -0500

Andromeda gravatar image

You must have another node running the server. If you have in your robot /move_base already implemented then it is automatically started. Otherwise you must provide the server with your own code.

The code in the tutorial is just half of the whole story :)

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Can you tell me what is the all story? Where can I learn what should I do in detail?

ros_master gravatar image ros_master  ( 2014-11-04 06:57:35 -0500 )edit
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The story is very simple (conceptually). You need a server running in the backgorund or your client (the program you have run) never will extablish a connection to the server. There are some package like /move_base which start "automatically" a server. In that case, starting that node,...

Andromeda gravatar image Andromeda  ( 2014-11-04 12:46:33 -0500 )edit

...you can get your connection. I can tell you one thing: try to integrate your knowledge with books (ROS by Example 1 & 2 is the best one to me). "in detail" is a good word...I m still learning ROS

Andromeda gravatar image Andromeda  ( 2014-11-04 12:48:36 -0500 )edit

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Asked: 2014-11-04 04:53:33 -0500

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Last updated: Nov 04 '14