moveit_setup_assistant cannot launch node of type in indigo

asked 2016-11-08 06:49:21 -0500

shawnysh
339 ●10 ●14 ●26

updated 2016-11-09 07:57:03 -0500

I would like to start with moveit_setup_assistant

roslaunch moveit_setup_assistant setup_assistant.launch

1, I have roscd to the moveit_setup_assistant pakage,

but fail to roslaunch .

(at that time ,echo $ROS_PACKAGE_PATH  ---> /root/catkin_ws/src:/opt/ros/indigo/share:/opt/ros/indigo/stacks
)

2, if I do:

 source /opt/ros/indigo/setup.bash

(at that time ,echo $ROS_PACKAGE_PATH  ---> /opt/ros/indigo/share:/opt/ros/indigo/stacks)

then, roslaunch succeeds!

but if I load the urdf file in my workspace( I follow the ros-by-example-2 in Chapter 11), The weird part is, the pi_robot I would like to load just shows the two wheels in the setup_assistant window, it seems that it cannot find my own package Here is the part of error message

"[rospack] Error: package 'rbx2_description' not found
[librospack]: error while executing command"

NOTE:

1, I have add this

source ~/catkin_ws/devel/setup.bash
source /opt/ros/indigo/setup.bash

to the bottom of the ~/.bashrc and I have source ~/.bashrc after this so that when I echo $ROS_PACKAGE_PATH，the result is what I mentioned in the statement 1 above.

2, Below is the error message for 1st statement,

root@ShawnVM:~/catkin_ws/src/moveit_setup_assistant# roslaunch moveit_setup_assistant setup_assistant.launch
... logging to /root/.ros/log/90e8c606-a5a4-11e6-9533-000c290a3fdb/roslaunch-ShawnVM-31009.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://ShawnVM:43182/

SUMMARY
========

PARAMETERS
 * /rosdistro: indigo
 * /rosversion: 1.11.20

NODES
  /
  moveit_setup_assistant (moveit_setup_assistant/moveit_setup_assistant)

ROS_MASTER_URI=http://localhost:11311

core service [/rosout] found
ERROR: cannot launch node of type [moveit_setup_assistant/moveit_setup_assistant]: can't locate node [moveit_setup_assistant] in package [moveit_setup_assistant]
No processes to monitor
shutting down processing monitor...
... shutting down processing monitor complete

3, I wonder if there is something wrong due to using VM? Something wrong with OpenGL driver?

OpenGL version string: 3.0 Mesa 11.2.0

rospack find moveit_setup_assistant 
/opt/ros/indigo/share/moveit_setup_assistant

5, ROS version Indigo, Unbuntu 14.04

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I wonder if there is something wrong due to using VM? Something wrong with OpenGL driver?

From the error messages you've posted, this is unrelated to you using a VM. Either the nodes (binaries) are really not there, or the search path is not configured correctly.

gvdhoorn ( 2016-11-09 05:28:50 -0500 )edit

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answered 2016-11-08 12:16:36 -0500

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

updated 2016-11-09 03:27:56 -0500

If you really must build MoveIt from sources, please remember to run

source $HOME/catkin_ws/devel/setup.bash

before trying to

roslaunch moveit_setup_assistant setup_assistant.launch

Note that you'll have to do this every time you open a new terminal (unless you add it to your .bashrc).

Edit:

I have add this
source ~/catkin_ws/devel/setup.bash
source /opt/ros/indigo/setup.bash
to the bottom of the ~/.bashrc But it does not work.

as @mpjansen correctly notes: you generally only want to source a single setup.bash. In this case, source the setup.bash of your own workspace, not the one in /opt/ros/$distro.

And a bit pedantic, but the source-ing probably works fine. Those two lines just don't do what you are expecting them to do (ie: cumulatively add to your ROS package path).

Edit2:

I have done what you said, only

source ~/catkin_ws/devel/setup.bash

And try again, yet it turns out that

ERROR: cannot launch node of type [moveit_setup_assistant/moveit_setup_assistant]: can't locate node [moveit_setup_assistant] in package [moveit_setup_assistant]

To avoid a lengthy process of trying to find out what causes this: can you please make sure you absolutely need to build MoveIt from sources? If not, please install the binary packages (sudo apt-get install ros-indigo-moveit-X), as that will make things a lot easier.

If you do need MoveIt from sources, please tell us exactly how you created, populated and built your workspace.

Also: what is the output of rospack find moveit_setup_assistant, after you have sourced your workspace?

And (to get it out of the way): you have ran catkin_make (or catkin build) after you cloned the MoveIt git repository to your source space, correct?

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I have add this

source ~/catkin_ws/devel/setup.bash
source /opt/ros/indigo/setup.bash

to the bottom of the ~/.bashrc But it does not work.

shawnysh ( 2016-11-09 01:01:56 -0500 )edit

I edit the post to add a bit more infomation. Hope I get some hints. Thanks

shawnysh ( 2016-11-09 01:07:45 -0500 )edit

I think you only have to add the one line to the catkin workspace:

source ~/catkin_ws/devel/setup.bash

This bashfile will source the installed environment of indigo itself. Good luck

mpjansen ( 2016-11-09 01:18:55 -0500 )edit

I have done what you said, only

source ~/catkin_ws/devel/setup.bash

And try again, yet it turns out that

ERROR: cannot launch node of type [moveit_setup_assistant/moveit_setup_assistant]: can't locate node [moveit_setup_assistant] in package [moveit_setup_assistant]

shawnysh ( 2016-11-09 03:12:46 -0500 )edit

In official tutorial, it says it would be convenient to do this

echo "source /opt/ros/indigo/setup.bash" >> ~/.bashrc
source ~/.bashrc

Reference to 1.6 Environment Setup, Unbuntu Install of ROS indigo

shawnysh ( 2016-11-09 03:16:05 -0500 )edit

I follow the tutorial in ros-by-example-2, it says there is bug in MoveIt, so it asks me to apt-get install ros-indigo-moveit-full firslty, and then git clone something, and catkin_make. There is something wrong.

shawnysh ( 2016-11-09 06:05:50 -0500 )edit

I post catkin_make error question in author's google group and he told me the bug has been fixed, and no need to git clone source package. So I remove the source package, apt-get remove ros-indigo-moveit-full-* , and then reinstall again. finally catkin_make no error.

shawnysh ( 2016-11-09 06:09:09 -0500 )edit

root@ShawnVM:~/catkin_ws# rospack find moveit_setup_assistant /opt/ros/indigo/share/moveit_setup_assistant

shawnysh ( 2016-11-09 06:13:22 -0500 )edit

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answered 2016-11-09 21:33:29 -0500

shawnysh
339 ●10 ●14 ●26

Here is the solution by Patrick Goebel, author of ros-by-example

Since you had a partially built moveit package in your /root/catkin_ws directory earlier, be sure you first clean out the old stuff before re-running catkin_make:

$ cd ~/catkin_ws
$ \rm -rf devel build
$ catkin_make
$ source ~/.bashrc
$ rospack profile

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