Lifecycle nodes silently swallow exception information on failed transition. #776
Description
Bug report
Required Info:
- Operating System:
- Ubuntu 18
- Installation type:
- From source
- Version or commit hash:
- DDS implementation:
- OpenSplice
- Client library (if applicable):
- rclcpp
Steps to reproduce issue
With navigation2 stack installed in one window:
ros2 run nav2_map_server map_server
in another window::
ros2 run nav2_map_server map_server
Expected behavior
An error message is logged containing verbose error information.
Actual behavior
The following is logged:
ros2 run nav2_map_server map_server
[INFO] [map_server]: Creating
[INFO] [map_server]: Configuring
[WARN] []: Error occurred while doing error handling.
[FATAL] [map_server]: Lifecycle node entered error state
Additional information
This is upstream of the issue: ros-navigation/navigation2#881
As explained by @crdelsey, it seems the code to verbosely log the exception exists but is commented out:
rclcpp/rclcpp_lifecycle/src/lifecycle_node_interface_impl.hpp
Lines 429 to 435 in 3786578