5×× SERVER ERROR

502 BAD GATEWAY

The server, while acting as a gateway or proxy, received an invalid response from an inbound server it accessed while attempting to fulfill the request.

502 BAD GATEWAY Source: RFC7231 Section 6.6.3

 

502 CODE REFERENCES

Rails HTTP Status Symbol :bad_gateway

Go HTTP Status Constant http.StatusBadGateway

Symfony HTTP Status Constant Response::HTTP_BAD_GATEWAY

Python2 HTTP Status Constant httplib.BAD_GATEWAY

Python3+ HTTP Status Constant http.client.BAD_GATEWAY

Python3.5+ HTTP Status Constant http.HTTPStatus.BAD_GATEWAY

 

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