Upstream prematurely closed connection nginx. io/proxy-body Upstream prematurely closed connection while reading response header from upstream Ruby project Asked 7 years, 10 months ago Modified 4 years, 11 months ago Viewed 51k times The error upstream prematurely closed connection might be nginx terminating the connection to PHP. This guide covers common causes and solutions, including log checks, timeout adjustments, buffer increases, and more. upstream prematurely closed connection while reading response header fro m upstream Asked 7 years, 6 months ago Modified 2 years, 1 month ago Viewed 10k times. kubernetes. 12 thats works fine. js application behind Nginx as a reverse proxy, you might have encountered cryptic errors like **“upstream prematurely closed connection”** or **“504 Gateway The “ upstream prematurely closed connection ” error occurs when Nginx receives a premature end-of-file (EOF) from the upstream server it is communicating with. 0. I also checked the One of the most common errors that Nginx users encounter is the “ upstream prematurely closed connection ” error. conf file by exec onto my ingress-nginx controller. ingress. I get a gateway timeout when I request an update on large data. The error only occurs on the data that is requested throe the server I'm trying to publish a blazor server app (just a template app for testing) on Nginx in debian 11. I am using nginx and node server to serve update requests. We’ll explore why large API responses trigger this issue, walk through My NGINX Ingress setup seems fine, as I deployed a simple web server and was able to access it without any problems. Below are the nginx config set on ingess yaml : nginx. I saw this error from the nginx error logs : Learn how to resolve the "Nginx upstream prematurely closed connection while reading response header from upstream" error. Time to time I get this error - upstream prematurely closed connection while reading response header from upstream, My If you’ve ever deployed a Node. In this article, we will discuss what The error upstream prematurely closed connection might be nginx terminating the connection to PHP. . Actually i have like a week stucked with this problem, reading every post writted about this Hi, I updated my seafile CE instance from v12 to v13 without issue some month ago. I am getting an intermediate "upstream prematurely closed connection while reading upstream" errors on my server. vagrant@ubuntu-jammy:~/shared$ kubectl exec -it Nginx - upstream prematurely closed connection while reading response header from upstream Asked 5 years, 7 months ago Modified 5 years, 7 months ago Viewed 5k times NGINX Upstream prematurely closed connection while reading response header from upstream, Using POST request to upload file Asked 3 years, 2 months ago Modified 3 years, 2 months ago Viewed 2k Nginx - Upstream prematurely closed connection while reading upstream Asked 3 years, 8 months ago Modified 3 years, 8 months ago Viewed 6k times Error: upstream prematurely closed connection while reading response header from upstream Asked 10 years, 10 months ago Modified 10 years, 6 months ago Viewed 7k times I don't understand why nginx says that Lychee prematurely closed the connection, when actually the whole file has been transfered (the Content-Length matches also), and running curl by hand also I don't understand why nginx says that Lychee prematurely closed the connection, when actually the whole file has been transfered (the Content-Length matches also), and running curl by hand also Hi. The error only occurs on the data that is requested throe the server from Amazon S3 upstream prematurely closed connection while reading response header from upstream, client Asked 13 years, 1 month ago Modified 8 years, 5 months ago Viewed 19k times Hi Team, We are facing issue while processing requests on nginx Ingress. This guide Learn how to fix the "upstream prematurely closed connection" error in Nginx. Learn to adjust timeout I have node server running behind Nginx. If the backend method takes several seconds I get a 502 error: upstream prematurely closed connection while reading response header from upstream, NodeJs + Nginx . In this guide, we’ll demystify why these errors occur, break down the root causes, and provide step-by-step solutions to configure Nginx and Node. Not 100% sure as I can't remember dealing with that error much! I am getting an intermediate "upstream prematurely closed connection while reading upstream" errors on my server. js to handle large requests reliably. Not 100% sure as I can't remember dealing with that error much! proxy_read_timeout 180s; I was able to locate my nginx. I’m actually on v13. This guide covers common causes and solutions, including log In this blog, we’ll demystify this error by breaking down its root causes across the Django/uWSGI/NGINX stack. I’m using a docker compose stack with Traefik as reverse proxy since CE If a worker is killed/restarted the connection to the nginx gets terminated and nginx would produce the error that you experience *344 upstream prematurely closed connection while reading response Discover how to resolve the Nginx error "upstream prematurely closed connection while sending to client" with our comprehensive guide. Learn how to fix the "upstream prematurely closed connection" error in Nginx.