ros2 action send_goal /find_objects grasping_msgs/action/FindGraspableObjects "{plan_grasps: false}"
The above call often endes up throwing:
$ ros2 action send_goal /find_objects grasping_msgs/action/FindGraspableObjects "{plan_grasps: false}"
Traceback (most recent call last):
File "/opt/ros/foxy/lib/python3.8/site-packages/rosidl_generator_py/import_type_support_impl.py", line 46, in import_type_support
return importlib.import_module(module_name, package=pkg_name)
File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
File "<frozen importlib._bootstrap>", line 991, in _find_and_load
File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 657, in _load_unlocked
File "<frozen importlib._bootstrap>", line 556, in module_from_spec
File "<frozen importlib._bootstrap_external>", line 1166, in create_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
ImportError: /opt/ros/foxy/lib/libstd_msgs__rosidl_generator_c.so: undefined symbol: rosidl_runtime_c__double__Sequence__are_equal
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/opt/ros/foxy/bin/ros2", line 11, in <module>
load_entry_point('ros2cli==0.9.9', 'console_scripts', 'ros2')()
File "/opt/ros/foxy/lib/python3.8/site-packages/ros2cli/cli.py", line 67, in main
rc = extension.main(parser=parser, args=args)
File "/opt/ros/foxy/lib/python3.8/site-packages/ros2action/command/action.py", line 37, in main
return extension.main(args=args)
File "/opt/ros/foxy/lib/python3.8/site-packages/ros2action/verb/send_goal.py", line 54, in main
return send_goal(args.action_name, args.action_type, args.goal, feedback_callback)
File "/opt/ros/foxy/lib/python3.8/site-packages/ros2action/verb/send_goal.py", line 95, in send_goal
action_client = ActionClient(node, action_module, action_name)
File "/opt/ros/foxy/lib/python3.8/site-packages/rclpy/action/client.py", line 148, in __init__
check_for_type_support(action_type)
File "/opt/ros/foxy/lib/python3.8/site-packages/rclpy/type_support.py", line 29, in check_for_type_support
msg_type.__class__.__import_type_support__()
File "/opt/ros/foxy/lib/python3.8/site-packages/grasping_msgs/action/_find_graspable_objects.py", line 1221, in __import_type_support__
module = import_type_support('grasping_msgs')
File "/opt/ros/foxy/lib/python3.8/site-packages/rosidl_generator_py/import_type_support_impl.py", line 48, in import_type_support
raise UnsupportedTypeSupport(pkg_name)
rosidl_generator_py.import_type_support_impl.UnsupportedTypeSupport: Could not import 'rosidl_typesupport_c' for package 'grasping_msgs'
Exception ignored in: <function ActionClient.__del__ at 0x7f5c273a7ee0>
Traceback (most recent call last):
File "/opt/ros/foxy/lib/python3.8/site-packages/rclpy/action/client.py", line 596, in __del__
self.destroy()
File "/opt/ros/foxy/lib/python3.8/site-packages/rclpy/action/client.py", line 587, in destroy
if self._client_handle is None:
AttributeError: 'ActionClient' object has no attribute '_client_handle'
After many searching incl. answers.ros.org#326008 and get-help.robotigniteacademy.com#19026, I tried adding stuff suggested in those threads to grasping_msgs/CMakeLists.txt
(and rm -fr build install && colcon build
) but I kept getting the same error.