post返回的结果：404，是什么原因呢

[PingYufeng]

flask_server:
Loading PyTorch model and Flask starting server ...
Please wait until server has fully started

• Serving Flask app "run_pytorch_server" (lazy loading)
• Environment: production
  WARNING: This is a development server. Do not use it in a production deployment.
  Use a production WSGI server instead.
• Debug mode: off
• Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
  127.0.0.1 - - [21/Feb/2020 16:47:21] "?[33mPOST /predict/ HTTP/1.1?[0m" 404 -

client:
打印post返回的结果
<Response [404]>
Traceback (most recent call last):
File "e:/RiseFile/Deeplearning/Deploy/myModleDeploy/Flask/examples/deploy-pytorch-model/simple_request.py", line 40, in
predict_result(args.file)
File "e:/RiseFile/Deeplearning/Deploy/myModleDeploy/Flask/examples/deploy-pytorch-model/simple_request.py", line 22, in predict_result
r = r.json()
File "D:\Anaconda3\envs\py36\lib\site-packages\requests\models.py", line 898, in json
return complexjson.loads(self.text, **kwargs)
File "D:\Anaconda3\envs\py36\lib\json_init_.py", line 354, in loads
return _default_decoder.decode(s)
File "D:\Anaconda3\envs\py36\lib\json\decoder.py", line 339, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "D:\Anaconda3\envs\py36\lib\json\decoder.py", line 357, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

[Salary-only-17k]

同样问题

[HamzaManzoor66]

In run_pytorch_server file, at around line 89, try converting the label to float before passing it idx2label.
label_name = idx2label[float(label)]
like this, this solved it for me.

[WangYichenCode]

yes, this solved it also for me. thanks!