List index out of range

[MattiaDeiRossi]

Hi all,

I'm trying the driver with our EC6 robot on humble distro, but when I execute multiple casual valid goals, it happens the following error:

[elite-1] [INFO] [1746536854.943542549] [elite_driver_node]: Goal request recieved
[elite-1] [INFO] [1746536854.952091831] [elite_driver_node]: Executing the new goal
[elite-1] [ERROR] [1746536854.954467344] [elite_driver_node]: Error raised in execute callback: list index out of range
[elite-1] Traceback (most recent call last):
[elite-1]   File "/opt/ros/humble/local/lib/python3.10/dist-packages/rclpy/action/server.py", line 333, in _execute_goal
[elite-1]     execute_result = await await_or_execute(execute_callback, goal_handle)
[elite-1]   File "/opt/ros/humble/local/lib/python3.10/dist-packages/rclpy/executors.py", line 107, in await_or_execute
[elite-1]     return callback(*args)
[elite-1]   File "/home/mattia/elite_robots_ws/build/elite_arm_driver/elite_arm_driver/elite_arm_trajectory_action.py", line 77, in execute_callback
[elite-1]     self.elite_robot.TT_init(t=time_stamp[1]*1000)
[elite-1] IndexError: list index out of range

Did you encounter the same issue?

[padhupradheep]

This is a strange one indeed.

Which EC series robot it is ? EC 66?

[MattiaDeiRossi]

It's the EC 6kg

[fabrisdnl]

I've encountered the same problem, are there any updates?

[padhupradheep]

Could you please tell us which branch are you using right now? @MattiaDeiRossi @fabrisdnl

At the moment, our team is bit swamped. We will get back to this at the earliest possible.

Cc: @Elite-Robots

[MattiaDeiRossi]

Hi,
I'm using humble branch

[padhupradheep]

Thanks for the info, and is this the first time you are using this repo? or were you using it before?

Reason I'm asking is because, I just want to make sure if something hasn't changed in ROS 2 APIs

And how do you send the goals the robot?

[MattiaDeiRossi]

It's been a long time since I've used it.... so I don't know if there have been any updates of the libraries.

I was trying to send the goals through the Rviz MotionPlanning Plugin

[padhupradheep]

Okay, please allow me sometime, I will get back to you as soon as I can.