事实上,我正在处理一个非常奇怪的错误。奇怪的是,当我在pyCharm中的localhost上运行同一个项目时,它工作正常,然而,当我将所有文件上传到EC2服务器时。我犯了以下错误
该项目运行良好,因此我能够承载该应用程序,但是当我发送post请求时,我得到HTTP错误代码500作为响应,并在控制台中跟踪错误
如果有人能帮我纠正这一点,我将不胜感激
Traceback (most recent call last):
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/app.py", line 2464, in __cal l__
return self.wsgi_app(environ, start_response)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/app.py", line 2450, in wsgi_ app
response = self.handle_exception(e)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask_restful/__init__.py", line 2 72, in error_router
return original_handler(e)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/app.py", line 1867, in handl e_exception
reraise(exc_type, exc_value, tb)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/_compat.py", line 38, in rer aise
raise value.with_traceback(tb)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/app.py", line 2447, in wsgi_ app
response = self.full_dispatch_request()
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/app.py", line 1952, in full_ dispatch_request
rv = self.handle_user_exception(e)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask_restful/__init__.py", line 2 72, in error_router
return original_handler(e)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/app.py", line 1821, in handl e_user_exception
reraise(exc_type, exc_value, tb)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/_compat.py", line 38, in rer aise
raise value.with_traceback(tb)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/app.py", line 1950, in full_ dispatch_request
rv = self.dispatch_request()
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/app.py", line 1936, in dispa tch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask_restful/__init__.py", line 4 68, in wrapper
resp = resource(*args, **kwargs)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask/views.py", line 89, in view
return self.dispatch_request(*args, **kwargs)
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/flask_restful/__init__.py", line 5 83, in dispatch_request
resp = meth(*args, **kwargs)
File "/home/ubuntu/yAPI/resources/r_user.py", line 50, in post
user = user_schema.load(request.get_json())
File "/home/ubuntu/yAPI/yenv/lib/python3.6/site-packages/marshmallow_sqlalchemy/schema/load _instance_mixin.py", line 89, in load
raise ValueError("Deserialization requires a session")
ValueError: Deserialization requires a session
在我的应用程序中,这是错误开始的地方
class UserRegister(Resource):
@classmethod
def post(cls):
# the 'load' function in marshmallow will use the data to create usermodel object
user = user_schema.load(request.get_json())
如评论中所述,以下是解决方案,以便对其他人有所帮助:
您需要定义一个会话并将其传递给load函数,如下所示:
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