9.3 将启动gazebo和生产fishbot写成launch文件，无法加载出fishbot

栗原澪みお

在rqt中可以call，运行launch文件的时候说spawn_entity.py 有语句不合法，和其他帖子报错不太一样，gazebo只有空地图

mio@mio:~/FIles/ros/chapt8_ws$ colcon build
Starting >>> fishbot_description
--- stderr: fishbot_description                   
/usr/lib/python3/dist-packages/setuptools/command/install.py:34: SetuptoolsDeprecationWarning: setup.py install is deprecated. Use build and pip and other standards-based tools.
  warnings.warn(
---
Finished <<< fishbot_description [0.49s]

Summary: 1 package finished [0.88s]
  1 package had stderr output: fishbot_description
mio@mio:~/FIles/ros/chapt8_ws$ source install/setup.bash 
mio@mio:~/FIles/ros/chapt8_ws$ ros2 launch fishbot_description gazebo.launch.py 
[INFO] [launch]: All log files can be found below /home/mio/.ros/log/2023-12-13-23-39-27-927899-mio-25320
[INFO] [launch]: Default logging verbosity is set to INFO
[INFO] [gazebo-1]: process started with pid [25321]
[INFO] [spawn_entity.py-2]: process started with pid [25323]
[spawn_entity.py-2] Traceback (most recent call last):
[spawn_entity.py-2]   File "/opt/ros/humble/lib/gazebo_ros/spawn_entity.py", line 26, in <module>
[spawn_entity.py-2]     from gazebo_msgs.msg import ModelStates
[spawn_entity.py-2]   File "/opt/ros/humble/local/lib/python3.10/dist-packages/gazebo_msgs/msg/__init__.py", line 1, in <module>
[spawn_entity.py-2]     from gazebo_msgs.msg._contact_state import ContactState  # noqa: F401
[spawn_entity.py-2]   File "/opt/ros/humble/local/lib/python3.10/dist-packages/gazebo_msgs/msg/_contact_state.py", line 15, in <module>
[spawn_entity.py-2]     import rosidl_parser.definition  # noqa: E402, I100
[spawn_entity.py-2]   File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_parser/definition.py", line 425
[spawn_entity.py-2]     raise ValueError(f"No '{name}' annotation")
[spawn_entity.py-2]                                              ^
[spawn_entity.py-2] SyntaxError: invalid syntax
[ERROR] [spawn_entity.py-2]: process has died [pid 25323, exit code 1, cmd '/opt/ros/humble/lib/gazebo_ros/spawn_entity.py -entity fishbot -file /home/mio/FIles/ros/chapt8_ws/install/fishbot_description/share/fishbot_description/urdf/fishbot_gazebo.urdf  --ros-args'].
[gazebo-1] Gazebo multi-robot simulator, version 11.10.2
[gazebo-1] Copyright (C) 2012 Open Source Robotics Foundation.
[gazebo-1] Released under the Apache 2 License.
[gazebo-1] http://gazebosim.org
[gazebo-1] 
[gazebo-1] Gazebo multi-robot simulator, version 11.10.2
[gazebo-1] Copyright (C) 2012 Open Source Robotics Foundation.
[gazebo-1] Released under the Apache 2 License.
[gazebo-1] http://gazebosim.org
[gazebo-1] 
[gazebo-1] [INFO] [1702481968.440275161] [gazebo_ros_node]: ROS was initialized without arguments.
[gazebo-1] [Msg] Waiting for master.
[gazebo-1] [Msg] Connected to gazebo master @ http://127.0.0.1:11345
[gazebo-1] [Msg] Publicized address: 10.250.21.16
[gazebo-1] [Wrn] [GuiIface.cc:120] Could not find the Qt platform plugin "wayland" in ""
[gazebo-1] [Err] [InsertModelWidget.cc:403] Missing model.config for model "/home/mio/.gazebo/models/.git"
[gazebo-1] [Wrn] [Event.cc:61] Warning: Deleting a connection right after creation. Make sure to save the ConnectionPtr from a Connect call
[gazebo-1] [Wrn] [Publisher.cc:135] Queue limit reached for topic /gazebo/default/user_camera/pose, deleting message. This warning is printed only once.
^C[WARNING] [launch]: user interrupted with ctrl-c (SIGINT)
[gazebo-1] [Wrn] [Event.cc:61] Warning: Deleting a connection right after creation. Make sure to save the ConnectionPtr from a Connect call
[ERROR] [gazebo-1]: process[gazebo-1] failed to terminate '5' seconds after receiving 'SIGINT', escalating to 'SIGTERM'
[INFO] [gazebo-1]: sending signal 'SIGTERM' to process[gazebo-1]
[ERROR] [gazebo-1]: process has died [pid 25321, exit code -15, cmd 'gazebo --verbose -s libgazebo_ros_factory.so'].
[gazebo-1] 
[gazebo-1]

栗原澪みお

@1361881444 今天突然就可以了，不懂为什么