fastapi shutdown service problem

[sunblog3]

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Example Code

from fastapi import FastAPI

app = FastAPI()

if __name__ == "__main__":
    import uvicorn
    uvicorn.run(app,host="0.0.0.0", port=8240)

Description

An error message is reported when the service is shut down

INFO:     Started server process [27264]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
INFO:     Uvicorn running on http://0.0.0.0:8240 (Press CTRL+C to quit)
INFO:     Shutting down
INFO:     Waiting for application shutdown.
INFO:     Application shutdown complete.
INFO:     Finished server process [27264]
Traceback (most recent call last):
  File "C:\Users\p\AppData\Local\Programs\Python\Python311\Lib\asyncio\runners.py", line 118, in run
    return self._loop.run_until_complete(task)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\p\AppData\Local\Programs\Python\Python311\Lib\asyncio\base_events.py", line 653, in run_until_complete
    return future.result()
           ^^^^^^^^^^^^^^^
asyncio.exceptions.CancelledError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "E:\source\app.py", line 12, in <module>
    uvicorn.run(app,host="0.0.0.0", port=8240)
  File "D:\venv\py311\Lib\site-packages\uvicorn\main.py", line 575, in run
    server.run()
  File "D:\venv\py311\Lib\site-packages\uvicorn\server.py", line 65, in run
    return asyncio.run(self.serve(sockets=sockets))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\p\AppData\Local\Programs\Python\Python311\Lib\asyncio\runners.py", line 190, in run
    return runner.run(main)
           ^^^^^^^^^^^^^^^^
  File "C:\Users\p\AppData\Local\Programs\Python\Python311\Lib\asyncio\runners.py", line 123, in run
    raise KeyboardInterrupt()
KeyboardInterrupt

Operating System

Windows

Operating System Details

No response

FastAPI Version

fastapi== 0.111.0

Pydantic Version

pydantic==2.7.1

Python Version

Python 3.11.6

Additional Context

No response