simple client on golang returns "net/http: HTTP/1.x transport connection broken: unexpected EOF"

Question

I use simple client on golang

package main

import (
    "fmt"
    "net/http"
)

func main() {
    _, err := http.Get("http://localhost:8080/health")
    fmt.Println(err)
}

and simple http server on python https://gist.github.com/huyng/814831

but I got an error

Get "http://localhost:8080/health": net/http: HTTP/1.x transport connection broken: unexpected EOF

What is wrong with my client or server?

Steffen Ullrich · Accepted Answer · 2022-10-13 19:44:31Z

-1

...net/http: HTTP/1.x transport connection broken: unexpected EOF 
What is wrong with my client or server?

The answer lies in the 6 year old comment immediately below the code you use for the server:

Nice. A minor HTTP protocol glitch though, as there's no self.end_headers() so the response is malformed when served to picky clients (haproxy). ;)

Thus, don't just take code from somewhere on the internet w/o understanding what it does. Especially, if there is already an explicitly comment saying that the code is broken

answered Oct 13, 2022 at 19:44

Steffen Ullrich

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