~/ros_ws$ ./baxter.sh sim
~/ros_ws$ rosrun baxter_examples joint_velocity_wobbler.py
[INFO] [WallTime: 1441031503.775147] [128.230000] Robot Enabled
[INFO] [WallTime: 1441031549.388135] [173.643000] Robot Disabled
File "/home/baxter/ros_ws/src/baxter_examples/scripts/joint_velocity_wobbler.py", line 158, in
File "/home/baxter/ros_ws/src/baxter_examples/scripts/joint_velocity_wobbler.py", line 153, in
File "/home/baxter/ros_ws/src/baxter_examples/scripts/joint_velocity_wobbler.py", line 134, in
File "/opt/ros/indigo/lib/python2.7/distpackages/rospy/timer.py", line 99, in sleep
File "/opt/ros/indigo/lib/python2.7/distpackages/rospy/timer.py", line 157, in sleep
raise rospy.exceptions.ROSInterruptException("ROS shutdown request")
rospy.exceptions.ROSInterruptException: ROS shutdown request
$ rosrun baxter_examples joint_velocity_wobbler.py
Initializing node...
Getting robot state...
Enabling robot...
[INFO] [WallTime: 1441731848.427393] [7726.313000] Robot Enabled
Moving to neutral pose...
Left Moving to neutral pose complete...
Right Moving to neutral pose complete...
Wobbling. Press Ctrl-C to stop...
^C
Exiting example...
Moving to neutral pose...
Left Moving to neutral pose complete...
Right Moving to neutral pose complete...
Disabling robot...
[INFO] [WallTime: 1441731868.003786] [7745.839000] Robot Disabled
Finished shutdown check...
Traceback (most recent call last):
File "/data/users/imcmahon/dev/mrsp_ws/src/baxter_examples/scripts/joint_velocity_wobbler.py", line 164, in <module>
main()
File "/data/users/imcmahon/dev/mrsp_ws/src/baxter_examples/scripts/joint_velocity_wobbler.py", line 159, in main
wobbler.wobble()
File "/data/users/imcmahon/dev/mrsp_ws/src/baxter_examples/scripts/joint_velocity_wobbler.py", line 136, in wobble
self._right_arm.set_joint_velocities(cmd)
File "/data/users/imcmahon/dev/mrsp_ws/src/baxter_interface/src/baxter_interface/limb.py", line 367, in set_joint_velocities
self._pub_joint_cmd.publish(self._command_msg)
File "/opt/ros/indigo/lib/python2.7/dist-packages/rospy/topics.py", line 819, in publish
self.impl.publish(data)
File "/opt/ros/indigo/lib/python2.7/dist-packages/rospy/topics.py", line 999, in publish
b.tell()
AttributeError: 'NoneType' object has no attribute 'tell'