Web ServersintermediateconfigurationCross-platform
Nginx returns 502 while backend service is running
A intermediate configuration problem in Web Servers, typically seen on Cross-platform. Start a Puvexa diagnosis to record what changed, attach logs or screenshots, and get ranked step-by-step fixes for your environment.
Start diagnosis Title, category, and context are prefilled — just describe what you see.
Prefilled context
Nginx returns 502 while backend service is running (Web Servers) — Cross-platform. What changed recently, what have you tried, and what happens now? Add logs, screenshots, or code below.
Tags:NginxApache
Record PUV-0421 · status SAMPLE · human verification not yet recorded
Related problems
Web Serversintermediate
Nginx WebSocket connection closes immediately
NginxApacheWebSocket
DetailsAsk Puvexa