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5-10 강의 에서 consol 메뉴에 메시지가 안되는 것 같아요
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* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.








_.py", line 234, in dumps

  return cls(

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 201, in encode

  chunks = list(chunks)

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 431, in _iterencode

  yield from _iterencode_dict(o, _current_indent_level)

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 405, in _iterencode_dict

  yield from chunks

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 325, in _iterencode_list

  yield from chunks

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 405, in _iterencode_dict

  yield from chunks

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 438, in _iterencode

  o = _default(o)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\json\provider.py", line 122, in _default

  raise TypeError(f"Object of type {type(o).__name__} is not JSON serializable")

TypeError: Object of type ObjectId is not JSON serializable

127.0.0.1 - - [08/Feb/2023 12:05:03] "POST /guestbook HTTP/1.1" 200 -

127.0.0.1 - - [08/Feb/2023 12:05:05] "GET / HTTP/1.1" 200 -

127.0.0.1 - - [08/Feb/2023 12:05:05] "GET /guestbook HTTP/1.1" 500 -

Traceback (most recent call last):

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 2548, in __call__

  return self.wsgi_app(environ, start_response)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 2528, in wsgi_app

  response = self.handle_exception(e)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 2525, in wsgi_app

  response = self.full_dispatch_request()

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 1822, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 1820, in full_dispatch_request

  rv = self.dispatch_request()

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 1796, in dispatch_request

  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  

 File "c:\Users\jaenq\Desktop\sparta\projects\05.fan\app.py", line 26, in guestbook_get

  return jsonify({'result': all_comments})

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\json\__init__.py", line 342, in jsonify

  return current_app.json.response(*args, **kwargs)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\json\provider.py", line 309, in response

  f"{self.dumps(obj, **dump_args)}\n", mimetype=mimetype

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\json\provider.py", line 230, in dumps

  return json.dumps(obj, **kwargs)

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\__init__.py", line 234, in dumps

  return cls(

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 201, in encode

  chunks = list(chunks)

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 431, in _iterencode

  yield from _iterencode_dict(o, _current_indent_level)

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 405, in _iterencode_dict

  yield from chunks

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 325, in _iterencode_list

  yield from chunks

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 405, in _iterencode_dict

  yield from chunks

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 438, in _iterencode

  o = _default(o)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\json\provider.py", line 122, in _default

  raise TypeError(f"Object of type {type(o).__name__} is not JSON serializable")

TypeError: Object of type ObjectId is not JSON serializable

 * Detected change in 'c:\\Users\\jaenq\\Desktop\\sparta\\projects\\05.fan\\app.py', reloading

 * Restarting with stat

 * Debugger is active!

 * Debugger PIN: 108-759-964

127.0.0.1 - - [08/Feb/2023 12:08:00] "GET / HTTP/1.1" 200 -

127.0.0.1 - - [08/Feb/2023 12:08:01] "GET /guestbook HTTP/1.1" 500 -

Traceback (most recent call last):

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 2548, in __call__

  return self.wsgi_app(environ, start_response)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 2528, in wsgi_app

  response = self.handle_exception(e)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 2525, in wsgi_app

  response = self.full_dispatch_request()

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 1822, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 1820, in full_dispatch_request

  rv = self.dispatch_request()

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\app.py", line 1796, in dispatch_request

  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  

 File "c:\Users\jaenq\Desktop\sparta\projects\05.fan\app.py", line 26, in guestbook_get

  return jsonify({'result': all_comments})

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\json\__init__.py", line 342, in jsonify

  return current_app.json.response(*args, **kwargs)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\json\provider.py", line 309, in response

  f"{self.dumps(obj, **dump_args)}\n", mimetype=mimetype

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\json\provider.py", line 230, in dumps

  return json.dumps(obj, **kwargs)

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\__init__.py", line 234, in dumps

  return cls(

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 201, in encode

  chunks = list(chunks)

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 431, in _iterencode

  yield from _iterencode_dict(o, _current_indent_level)

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 405, in _iterencode_dict

  yield from chunks

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 325, in _iterencode_list

  yield from chunks

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 405, in _iterencode_dict

  yield from chunks

 File "C:\Users\jaenq\AppData\Local\Programs\Python\Python38\lib\json\encoder.py", line 438, in _iterencode

  o = _default(o)

 File "C:\Users\jaenq\Desktop\sparta\projects\05.fan\venv\lib\site-packages\flask\json\provider.py", line 122, in _default

  raise TypeError(f"Object of type {type(o).__name__} is not JSON serializable")

TypeError: Object of type ObjectId is not JSON serializable



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