revolute joint not moving

when i'm sending the commands: `rostopic pub -1 /blackBird/weapon_position_controller/command std_msgs/Float64 "data: 45"` , the joint moves in un expected behaviour or don't moves at all. the joint is; the configuration file is: blackBird: # Publish all joint states ----------------------------------- joint_state_controller: type: joint_state_controller/JointStateController publish_rate: 50 # Position Controllers --------------------------------------- blade_position_controller: type: effort_controllers/JointPositionController joint: blade_body_joint pid: {p: 100.0, i: 0.01, d: 10.0} weapon_position_controller: type: effort_controllers/JointPositionController joint: weapon_body_joint pid: {p: 100.0, i: 0.01, d: 10.0} and the launch file is;