WSL: Couldn't rosrun turtlesim turtlesim_node

asked 2019-02-08 03:12:34 -0500

shmpwk

18 ●5 ●8 ●9

updated 2019-02-08 05:21:40 -0500

gvdhoorn
86574 ●283 ●1432 ●1054 http://cor.tudelft.nl/

I am following the beginner rosnode tutorial http://wiki.ros.org/ROS/Tutorials/UnderstandingNodes.

The environment is Windows 10 / WSL. When I enter command rosrun turtlesim turtlesim_node after running "roscore", I get the following error:

wn-003% rosrun turtlesim turtlesim_node
QXcbConnection: Could not connect to display
zsh: abort (core dumped)  rosrun turtlesim turtlesim_node

Are there any solutions to this? Thanks.

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answered 2019-02-08 03:35:24 -0500

gvdhoorn
86574 ●283 ●1432 ●1054 http://cor.tudelft.nl/

The environment is Windows 10 / WSL. [..] QXcbConnection: Could not connect to display. Are there any solutions to this?

Do you have an X server running and have you setup everything to use that X server?

Please note that ROS on Ubuntu on WSL on Windows 10 is not a supported configuration, so you're bound to run into issues.

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I've downloaded X server and I succeeded rosrun turtlesim turtlesim_node Thank you!

shmpwk ( 2019-02-08 05:16:08 -0500 )edit

Oh no! When I restart PC and do rosrun turtlesim turtlesim_node .I get the same error.

shmpwk ( 2019-02-08 09:20:24 -0500 )edit

Have you restarted the X server? The X servers for Windows I know are not services, nor part of "the system", but regular programs. So you'll have to start them manually.

gvdhoorn ( 2019-02-08 09:25:19 -0500 )edit

Yes, I restarted the X server. But failed.

shmpwk ( 2019-02-08 09:40:20 -0500 )edit

Is the DISPLAY variable also set?

gvdhoorn ( 2019-02-08 09:53:35 -0500 )edit

yes in .bashrc file, there is

export DISPLAY=:0

shmpwk ( 2019-02-08 10:03:23 -0500 )edit

Well, as I wrote in my answer, this is not a supported configuration. Although it can work -- as I've seen many people set things up this way, and I've done it myself -- there is no guarantee.

gvdhoorn ( 2019-02-08 10:43:11 -0500 )edit

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answered 2019-02-08 13:02:24 -0500

OoeyGUI
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Hi there, If you are interested in trying out ROS on Windows, Microsoft ported ROS to Windows and is in the process upstreaming that work to main. In the mean time, you can get started visit http://aka.ms/ros . We'll be integrating the documentation once the up-streaming that port has been completed.

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WSL: Couldn't rosrun turtlesim turtlesim_node

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