WebSocket
1010 Mandatory Extension 응답 모의 테스트
The client is terminating the connection because the server did not negotiate one or more expected extensions in the handshake response.
전체 레퍼런스 보기 →1 HTTP 응답
HTTP/1.1 1010 Mandatory Extension Content-Type: application/json Date: Tue, 25 Feb 2026 12:00:00 GMT
2 curl로 테스트하기
curl -i https://httpbin.org/status/1010
3 프레임워크에서 1010 Mandatory Extension 반환하기
django
from django.http import HttpResponse
def my_view(request):
return HttpResponse(status=1010) # Mandatory Extension
flask
from flask import Flask
app = Flask(__name__)
@app.route("/endpoint")
def my_endpoint():
return "", 1010 # Mandatory Extension
fastapi
from fastapi import FastAPI
from fastapi.responses import Response
app = FastAPI()
@app.get("/endpoint")
def my_endpoint():
return Response(status_code=1010) # Mandatory Extension
express.js
// Express.js
app.get('/endpoint', (req, res) => {
res.sendStatus(1010); // Mandatory Extension
});
spring boot
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
@RestController
public class MyController {
@GetMapping("/endpoint")
public ResponseEntity<Void> myEndpoint() {
return ResponseEntity
.status(1010) // Mandatory Extension
.build();
}
}
go net/http
package main
import "net/http"
func myHandler(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(1010) // Mandatory Extension
}
ruby on rails
class MyController < ApplicationController
def my_action
head :mandatory_extension
end
end
asp.net core
// ASP.NET Core Minimal API
app.MapGet("/endpoint", () =>
Results.StatusCode(1010) // Mandatory Extension
);