joint_state_publisher がない

[708yamaguchi]

http://gazebosim.org/tutorials/?tut=ros_urdf
上記のチュートリアルの通りに進めたが、

"roslaunch rrbot_description rrbot_rviz.launch"

とした時に、

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

というエラーが出て、チュートリアルのようなJoint Statesのウィンドウが表示されない。あと、なぜか物体の様子もおかしい。

[708yamaguchi]

mech-user@test1-pc:~/practice_files/Gazebo/catkin_ws/src$ catkin_find --without-underlays --libexec --share joint_state_publisher
/home/mech-user/practice_files/Gazebo/catkin_ws/devel/share/joint_state_publisher
mech-user@test1-pc:~/practice_files/Gazebo/catkin_ws/src$ rm -fr /home/mech-user/practice_files/Gazebo/catkin_ws/devel/share/joint_state_publisher
joint_state_publisher/  joint_state_publisher1/ joint_state_publisher2/