problems after running simple_arm_actions's node
Groovy, Turtlebot2, Phantomx Pincher arm rosrun simple_arm_actions reset_arm_server.py:
Traceback (most recent call last): File "/home/turtlebot/exp1_ws/src/simple_arms/simple_arm_actions/bin/reset_arm_server.py", line 74, in <module> ResetArmServer() File "/home/turtlebot/exp1_ws/src/simple_arms/simple_arm_actions/bin/reset_arm_server.py", line 44, in __init__ self.joints = rospy.get_param("/simple_arms/joints") File "/opt/ros/groovy/lib/python2.7/dist-packages/rospy/client.py", line 452, in get_param return _param_server[param_name] #MasterProxy does all the magic for us File "/opt/ros/groovy/lib/python2.7/dist-packages/rospy/msproxy.py", line 117, in __getitem__ raise KeyError(key) KeyError: '/simple_arms/joints'
Can anyone give me some ideas? Thanks!