502//Bad Gateway
server received an invalid response from upstream server
Description
The server was acting as a gateway or proxy and received an invalid response from the upstream server.[2] − wikipedia
Code References
- Rails Symbol
- :bad_gateway
Quick Informational pages on HTTP Status Codes and HTTP Verbs
server received an invalid response from upstream server
The server was acting as a gateway or proxy and received an invalid response from the upstream server.[2] − wikipedia