urdfdom required for arm_navigation in Fuerte? [closed]

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Hello,

I'm trying to run the arm_navigation tutorials in Fuerte and, when launching

roslaunch pr2_arm_navigation_tutorials pr2_floorobj_world.launch

I get the following

 Traceback (most recent call last):
  File "/opt/ros/fuerte/stacks/pr2_mechanism/pr2_controller_manager/scripts/spawner", line 36, in <module>
    roslib.load_manifest('pr2_controller_manager')
  File "/opt/ros/fuerte/lib/python2.7/dist-packages/roslib/launcher.py", line 62, in load_manifest
    sys.path = _generate_python_path(package_name, _rospack) + sys.path
  File "/opt/ros/fuerte/lib/python2.7/dist-packages/roslib/launcher.py", line 98, in _generate_python_path
    packages = get_depends(pkg, rospack) 
  File "/opt/ros/fuerte/lib/python2.7/dist-packages/roslib/launcher.py", line 51, in get_depends
    vals = rospack.get_depends(package, implicit=True)
  File "/usr/lib/pymodules/python2.7/rospkg/rospack.py", line 201, in get_depends
    s.update(self.get_depends(p, implicit))
  File "/usr/lib/pymodules/python2.7/rospkg/rospack.py", line 201, in get_depends
    s.update(self.get_depends(p, implicit))
  File "/usr/lib/pymodules/python2.7/rospkg/rospack.py", line 195, in get_depends
    names = [p.name for p in self.get_manifest(name).depends]
  File "/usr/lib/pymodules/python2.7/rospkg/rospack.py", line 133, in get_manifest
    return self._load_manifest(name)
  File "/usr/lib/pymodules/python2.7/rospkg/rospack.py", line 172, in _load_manifest
    retval = self._manifests[name] = parse_manifest_file(self.get_path(name), self._manifest_name)
  File "/usr/lib/pymodules/python2.7/rospkg/rospack.py", line 164, in get_path
    raise ResourceNotFound(name, ros_paths=self._ros_paths)
rospkg.common.ResourceNotFound: urdfdom

Also, when running

rosmake pr2_gazebo

I get

    {-------------------------------------------------------------------------------
  mkdir -p bin
  cd build && cmake -Wdev -DCMAKE_TOOLCHAIN_FILE=`rospack find rosbuild`/rostoolchain.cmake  ..
  [rosbuild] Building package pr2_description
  Failed to invoke /opt/ros/fuerte/bin/rospack deps-manifests pr2_description
  [rospack] Error: package/stack pr2_description depends on non-existent package urdfdom


  CMake Error at /opt/ros/fuerte/share/ros/core/rosbuild/public.cmake:129 (message):


    Failed to invoke rospack to get compile flags for package
    'pr2_description'.  Look above for errors from rospack itself.  Aborting.
    Please fix the broken dependency!

  Call Stack (most recent call first):
    /opt/ros/fuerte/share/ros/core/rosbuild/public.cmake:203 (rosbuild_invoke_rospack)
    CMakeLists.txt:12 (rosbuild_init)


  -- Configuring incomplete, errors occurred!
-------------------------------------------------------------------------------}

However, I do seem to have ros-fuerte-urdfdom installed:

jml@jml-Linux:~/fuerte_wksp$ sudo apt-get install ros-fuerte-urdfdom
[sudo] password for jml: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
ros-fuerte-urdfdom is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 42 not upgraded.

Any ideas? Should these tutorials/packages run in Fuerte, or have they been already upgraded for Groovy?