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Joint trajectory controller fails to spawn for ROS 2 Lyrical on Ubuntu 26.04 #407
Description
Following error:
[ros2_control_node-2] [INFO] [1789490699.320928135] [lbr.controller_manager]: Loading controller : 'joint_trajectory_controller' of type 'joint_trajectory_controller/JointTrajectoryController'
[ros2_control_node-2] [INFO] [1789490699.320978587] [lbr.controller_manager]: Loading controller 'joint_trajectory_controller'
[ros2_control_node-2] Exception thrown during init stage with message: Invalid value set during initialization for parameter 'joints': Length of parameter 'joints' is '0' but must be greater than '0'
[ros2_control_node-2] [ERROR] [1789490699.331049657] [lbr.joint_trajectory_controller]: Calling shutdown transition of controller node 'joint_trajectory_controller' due to init failure.
[ros2_control_node-2] [ERROR] [1789490699.331124185] [lbr.controller_manager]: Could not initialize the controller named 'joint_trajectory_controller'
[spawner-3] [FATAL] [1789490699.335769528] [lbr.spawner_joint_state_broadcaster]: Failed loading controller joint_trajectory_controllerCan be fixed by providing the spawner node a --param-file. Introduced upstream in ros-controls/ros2_control#1502 with demos added in ros-controls/ros2_control_demos#502.
Here to be added to launch arguments for gazebo / hardware / mock + dual arm demo:
Activity
Merge pull request #411 from lbr-stack/fix/lbr-fri-ros2-stack-407/ros…