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problems after running simple_arm_actions's node

asked 2014-04-21 18:05:31 -0600

Yantian_Zha gravatar image

Groovy, Turtlebot2, Phantomx Pincher arm rosrun simple_arm_actions

Traceback (most recent call last): File "/home/turtlebot/exp1_ws/src/simple_arms/simple_arm_actions/bin/", line 74, in <module> ResetArmServer() File "/home/turtlebot/exp1_ws/src/simple_arms/simple_arm_actions/bin/", line 44, in __init__ self.joints = rospy.get_param("/simple_arms/joints") File "/opt/ros/groovy/lib/python2.7/dist-packages/rospy/", 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/", line 117, in __getitem__ raise KeyError(key) KeyError: '/simple_arms/joints'

Can anyone give me some ideas? Thanks!

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answered 2014-04-21 18:27:45 -0600

ahendrix gravatar image

I don't know anything about the turtlebot or the simple arm server, but it looks like it's trying to retrieve a parameter that isn't set (/simple_arms/joints); probably related to which joints to use.

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Asked: 2014-04-21 18:05:31 -0600

Seen: 107 times

Last updated: Apr 21 '14