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DaniGarciaLopez / ros2_explorer

In this repo we use Turtlebot 3 along with ROS 2 and Gazebo to explore an unknown csv environment, navigate through it and create a map
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Error after building. Amy idea how to resolve this? Thanks. #1

Closed michaelchi08 closed 3 years ago

michaelchi08 commented 3 years ago

ros2 launch explorer_bringup map10.launch.py [INFO] [launch]: All log files can be found below /home/chi/.ros/log/2021-07-05-21-25-01-637335-chi-49624 [INFO] [launch]: Default logging verbosity is set to INFO Task exception was never retrieved future: <Task finished name='Task-2' coro=<LaunchService._process_one_event() done, defined at /opt/ros/foxy/lib/python3.8/site-packages/launch/launch_service.py:274> exception=InvalidLaunchFileError('py')> Traceback (most recent call last): File "/opt/ros/foxy/lib/python3.8/site-packages/ament_index_python/packages.py", line 49, in get_package_prefix content, package_prefix = get_resource('packages', package_name) File "/opt/ros/foxy/lib/python3.8/site-packages/ament_index_python/resources.py", line 48, in get_resource raise LookupError( LookupError: Could not find the resource 'turtlebot3_gazebo' of type 'packages'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_description_sources/any_launch_file_utilities.py", line 53, in get_launch_description_from_any_launch_file return loader(launch_file_path) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_description_sources/python_launch_file_utilities.py", line 68, in get_launch_description_from_python_launch_file return getattr(launch_file_module, 'generate_launch_description')() File "/home/chi/turtlebot3_ws/install/explorer_bringup/share/explorer_bringup/map10.launch.py", line 38, in generate_launch_description gazebo_launch_file_dir = os.path.join(get_package_share_directory('turtlebot3_gazebo'), 'launch') File "/opt/ros/foxy/lib/python3.8/site-packages/ament_index_python/packages.py", line 69, in get_package_share_directory return os.path.join(get_package_prefix(package_name), 'share', package_name) File "/opt/ros/foxy/lib/python3.8/site-packages/ament_index_python/packages.py", line 51, in get_package_prefix raise PackageNotFoundError( ament_index_python.packages.PackageNotFoundError: "package 'turtlebot3_gazebo' not found, searching: ['/home/chi/turtlebot3_ws/install/turtlebot3', '/home/chi/turtlebot3_ws/install/turtlebot3_teleop', '/home/chi/turtlebot3_ws/install/turtlebot3_bringup', '/home/chi/turtlebot3_ws/install/turtlebot3_node', '/home/chi/turtlebot3_ws/install/turtlebot3_navigation2', '/home/chi/turtlebot3_ws/install/turtlebot3_example', '/home/chi/turtlebot3_ws/install/turtlebot3_description', '/home/chi/turtlebot3_ws/install/turtlebot3_cartographer', '/home/chi/turtlebot3_ws/install/explorer_wanderer', '/home/chi/turtlebot3_ws/install/explorer_navigation2', '/home/chi/turtlebot3_ws/install/explorer_map_utils', '/home/chi/turtlebot3_ws/install/explorer_interfaces', '/home/chi/turtlebot3_ws/install/explorer_gazebo', '/home/chi/turtlebot3_ws/install/explorer_cartographer', '/home/chi/turtlebot3_ws/install/explorer_bringup', '/opt/ros/foxy']"

The above exception was the direct cause of the following exception:

Traceback (most recent call last): File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_service.py", line 276, in _process_one_event await self.process_event(next_event) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_service.py", line 296, in process_event visit_all_entities_and_collect_futures(entity, self.context)) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/utilities/visit_all_entities_and_collect_futures_impl.py", line 45, in visit_all_entities_and_collect_futures futures_to_return += visit_all_entities_and_collect_futures(sub_entity, context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/utilities/visit_all_entities_and_collect_futures_impl.py", line 45, in visit_all_entities_and_collect_futures futures_to_return += visit_all_entities_and_collect_futures(sub_entity, context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/utilities/visit_all_entities_and_collect_futures_impl.py", line 38, in visit_all_entities_and_collect_futures sub_entities = entity.visit(context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/action.py", line 108, in visit return self.execute(context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/actions/include_launch_description.py", line 125, in execute launch_description = self.launch_description_source.get_launch_description(context) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_description_source.py", line 84, in get_launch_description self._get_launch_description(self.__expanded_location) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_description_sources/any_launch_description_source.py", line 53, in _get_launch_description return get_launch_description_from_any_launch_file(location) File "/opt/ros/foxy/lib/python3.8/site-packages/launch/launch_description_sources/any_launch_file_utilities.py", line 56, in get_launch_description_from_any_launch_file raise InvalidLaunchFileError(extension, likely_errors=exceptions) launch.invalid_launch_file_error.InvalidLaunchFileError: Caught exception when trying to load file of format [py]: "package 'turtlebot3_gazebo' not found, searching: ['/home/chi/turtlebot3_ws/install/turtlebot3', '/home/chi/turtlebot3_ws/install/turtlebot3_teleop', '/home/chi/turtlebot3_ws/install/turtlebot3_bringup', '/home/chi/turtlebot3_ws/install/turtlebot3_node', '/home/chi/turtlebot3_ws/install/turtlebot3_navigation2', '/home/chi/turtlebot3_ws/install/turtlebot3_example', '/home/chi/turtlebot3_ws/install/turtlebot3_description', '/home/chi/turtlebot3_ws/install/turtlebot3_cartographer', '/home/chi/turtlebot3_ws/install/explorer_wanderer', '/home/chi/turtlebot3_ws/install/explorer_navigation2', '/home/chi/turtlebot3_ws/install/explorer_map_utils', '/home/chi/turtlebot3_ws/install/explorer_interfaces', '/home/chi/turtlebot3_ws/install/explorer_gazebo', '/home/chi/turtlebot3_ws/install/explorer_cartographer', '/home/chi/turtlebot3_ws/install/explorer_bringup', '/opt/ros/foxy']"

DaniGarciaLopez commented 3 years ago

Hi Michael.

It cannot find turtlebot_gazebo package. Verify you installed it correctly. It's located in this repo.