joint_state_controller problem loading.
I have a problem when go loading the joint_state_controller.
roslaunch joint_state_controller joint_state_controller.launch
process[joint_state_controller_spawner-1]: started with pid [17618]
[INFO] [WallTime: 1380940721.793944] [0.000000] Controller Spawner: Waiting for service controller_manager/load_controller
[WARN] [WallTime: 1380940752.010181] [8.979000] Controller Spawner couldn't find the expected controller_manager ROS interface.