rosluanch turtlebot_bring minimal.launch

asked 2013-05-16 18:03:11 -0500

This post is a wiki. Anyone with karma >75 is welcome to improve it.

I have some errors when I "rosluanch turtlebot_bring minimal.launch" Following message is the error message::

while processing /opt/ros/groovy/ros_catkin_ws/install_isolated/share/turtlebot/turtlebot_bringup/launch/includes/_robot.launch:
Invalid <arg> tag: xacro
ROS path [0]=/opt/ros/groovy/ros_catkin_ws/install_isolated/share/ros
ROS path [1]=/opt/ros/groovy/ros_catkin_ws/install_isolated/share/turtlebot
ROS path [2]=/opt/ros/groovy/ros_catkin_ws/install_isolated/share/turtlebot/
ROS path [3]=/opt/ros/groovy/ros_catkin_ws/install_isolated/share/turtlebot
ROS path [4]=/opt/ros/groovy/ros_catkin_ws/install_isolated/share
ROS path [5]=/opt/ros/groovy/ros_catkin_ws/install_isolated/stacks.
Arg xml is <arg default="$(find xacro)/xacro.py '$(find turtlebot_description)/robots/$(arg base)_$(arg stacks)_$(arg 3d_sensor).urdf.xacro'" name="urdf_file"/>

Dose anyone can help to solve it. Thank you very much!

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Comments

Do you have the packages turtlebot_description and xacro installed on your system ?

CarolineQ ( 2013-05-17 03:09:04 -0500 )edit

Can you explain what operating system you are on? Your path seems to indicate that you did a source install on your system. I believe that you will have a much easier time using the precompiled binaries if you are using Ubuntu.

mjcarroll ( 2013-05-20 10:21:11 -0500 )edit

Thank you for your response. My operating system is Ubuntu 12.04, but I don't know what you mean "Your path seems to indicate that you did .... precompiled binaries if you are using Ubuntu". Can you explain more detail? Thank you.

CharlesLiou ( 2013-05-21 15:57:06 -0500 )edit

Are you using Ubuntu on a normal x86/x64 computer? If that is the case, then you should follow the instructions here to install ROS: http://ros.org/wiki/groovy/Installation/Ubuntu

mjcarroll ( 2013-05-22 03:40:52 -0500 )edit

I use ubuntu on PandaBoard and follow the tutorial to install ROS: http://www.ros.org/wiki/groovy/Installation/PandaBoard/Source

CharlesLiou ( 2013-05-22 15:49:50 -0500 )edit

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answered 2013-05-17 15:58:14 -0500

This post is a wiki. Anyone with karma >75 is welcome to improve it.

Thank you, CarolineQ. I have turtlebot_description package and install xacro package after your suggestion. Then, I launch "rosluanch turtlebot_bring minimal.launch" again. But still have some error when I launch. Following message is the error message::

The bold type is the all message when I launch "rosluanch turtlebot_bring minimal.launch"

Traceback (most recent call last):
  File "/opt/ros/groovy/ros_catkin_ws/install_isolated/share/xacro/xacro.py", line 35, in <module>
    xacro.main()
  File "/opt/ros/groovy/ros_catkin_ws/install_isolated/share/xacro/src/xacro.py", line 554, in main
    process_includes(doc, os.path.dirname(sys.argv[1]))
  File "/opt/ros/groovy/ros_catkin_ws/install_isolated/share/xacro/src/xacro.py", line 193, in process_includes
    filename = eval_text(elt.getAttribute('filename'), {})
  File "/opt/ros/groovy/ros_catkin_ws/install_isolated/share/xacro/src/xacro.py", line 409, in eval_text
    results.append(handle_extension(lex.next()[1][2:-1]))
  File "/opt/ros/groovy/ros_catkin_ws/install_isolated/share/xacro/src/xacro.py", line 397, in handle_extension
    return eval_extension("$(%s)" % s)
  File "/opt/ros/groovy/ros_catkin_ws/install_isolated/share/xacro/src/xacro.py", line 53, in eval_extension
    return substitution_args.resolve_args(str, resolve_anon=False)
  File "/opt/ros/groovy/ros_catkin_ws/install_isolated/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 208, in resolve_args
    resolved = _find(resolved, a, args, context)
  File "/opt/ros/groovy/ros_catkin_ws/install_isolated/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 144, in _find
    return resolved[0:idx-len(arg)] + r.get_path(args[0]) + resolved[idx:]
  File "/usr/local/lib/python2.7/dist-packages/rospkg-1.0.19-py2.7.egg/rospkg/rospack.py", line 164, in get_path**

**raise ResourceNotFound(name, ros_paths=self._ros_paths) rospkg.common.ResourceNotFound: create_description**

**ROS path [0]=/opt/ros/groovy/ros_catkin_ws/install_isolated/share/ros
ROS path [1]=/opt/ros/groovy/ros_catkin_ws/install_isolated/share
ROS path [2]=/opt/ros/groovy/ros_catkin_ws/install_isolated/stacks
while processing /opt/ros/groovy/ros_catkin_ws/install_isolated/share/turtlebot/turtlebot_bringup/launch/includes/_robot.launch:**
**Invalid <param> tag: Cannot load command parameter [robot_description]: command [/opt/ros/groovy/ros_catkin_ws/install_isolated/share/xacro/xacro.py '/opt/ros/groovy/ros_catkin_ws/install_isolated/share/turtlebot/turtlebot_description/robots/kobuki_hexagons_kinect.urdf.xacro'] returned with code [1].
Param xml is < param command="$(arg urdf_file)" name="robot_description"/>

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Comments

Don't you have any other message before this one ? I mean, I got this error few times, most of the time there was another line before that saying "package X is missing". This package could be for example kobuki_description... Did you install ROS with a full install ?

CarolineQ ( 2013-05-20 21:18:54 -0500 )edit

The bold type is the all message when I launch "rosluanch turtlebot_bring minimal.launch", but it doesn't seem to miss package. I follow this tutorial "http://www.ros.org/wiki/groovy/Installation/PandaBoard/Source" to install ROS.

CharlesLiou ( 2013-05-21 16:29:41 -0500 )edit

In the tutorial step 3.1.1 Create a catkin Workspace, I install Robot (not ROS_Comm)

CharlesLiou ( 2013-05-21 16:31:11 -0500 )edit

"ResourceNotFound: create_description" : You need to install the create_description package.

CarolineQ ( 2013-05-21 21:14:26 -0500 )edit

Thank CarolineQ! I already install create_description package.Then, another error: "ResourceNotFound: kobuki_description". But I can't install this package, I download this package from here "http://www.ros.org/wiki/kobuki_description", using "git clone".

CharlesLiou ( 2013-05-22 17:31:44 -0500 )edit

After download it, I export ros path to "kobuki". But i still can't find "kobuki_description" package when I use "rospack find kobuki_description"

CharlesLiou ( 2013-05-22 17:33:21 -0500 )edit

Maybe you need to build the package kobuki_description with make or rosmake. If you are using Ubuntu, is it not possible to do "sudo apt-get install kobuki" ?

CarolineQ ( 2013-05-22 21:21:30 -0500 )edit

Sorry, I don't know how to build the package which I use "git clone" from here "http://www.ros.org/wiki/kobuki"...

CharlesLiou ( 2013-05-24 17:21:15 -0500 )edit

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