502 Bad Gateway
Explanation:
The 502 Bad Gateway status code indicates that the server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request.
Usage:
This status code should be used when the server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request.
Attentions:
- The server should include information about the upstream server in the response message if possible.
- The response should include a message body with information about the upstream server.
Sample:
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