API
API Protocols Explained: When to Use HTTP, WebSockets, gRPC & More
Http
- 2 sides of same coin - client (504 - Gateway Timeout) and server (499 - Client Closed Request)
- https://stackoverflow.com/questions/63594887/setting-httpstatus-499-for-httpclienterrorexception
- https://docs.apigee.com/api-platform/troubleshoot/runtime/499-client-closed-connection
- https://medium.com/@bubu.tripathy/simulate-network-failures-in-a-spring-boot-application-60e2ecb7daab
- 502 Bad Gateway status code indicates that a server acting as a proxy or gateway received an invalid response from another server in the communication chain