Err(NoWebsocketUpgrade)

[2001lwy]

use actix::{Actor, StreamHandler};
use actix_web::{web, App, Error, HttpRequest, HttpResponse, HttpServer};
use actix_web_actors::ws;

/// Define HTTP actor
struct MyWs;

impl Actor for MyWs {
type Context = ws::WebsocketContext;
}

/// Handler for ws::Message message
impl StreamHandler<Result<ws::Message, ws::ProtocolError>> for MyWs {
fn handle(&mut self, msg: Result<ws::Message, ws::ProtocolError>, ctx: &mut Self::Context) {
match msg {
Ok(ws::Message::Ping(msg)) => ctx.pong(&msg),
Ok(ws::Message::Text(text)) => ctx.text(text),
Ok(ws::Message::Binary(bin)) => ctx.binary(bin),
_ => (),
}
}
}

pub async fn index(req: HttpRequest, stream: web::Payload) -> Result<HttpResponse, Error> {
println!("Request method: {}", req.method());
println!("Request URI: {}", req.uri());

println!("Request headers:");
for (header_name, header_value) in req.headers() {
    println!("{}: {}", header_name.as_str(), header_value.to_str().unwrap());
}
let resp = ws::start(MyWs {}, &req, stream);
println!("{:?}", resp);
resp

}

Request method: GET
Request URI: /ws/
Request headers:
host: 127.0.0.1:9000
connection: keep-alive
expires: 1704532312062
user-agent: PostmanRuntime/7.32.1
accept: /
authorization: 7142829946413649921
accept-encoding: gzip, deflate, br
cache-control: no-cache
postman-token: 86de83a2-0bf7-4a96-9206-5ad71e8c0908
access_token: eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6IjcxNDI4Mjk5NDY0MTM2NDk5MjEiLCJhY2NvdW50IjoiIiwicGVybWlzc2lvbnMiOltdLCJyb2xlX2lkcyI6W10sImV4cCI6MTcwNDUzMjMxMjA2Mn0.Ak5Wq2mzKzrQ_WQl8ZUTQTJ5UCYx9cjO336_hRRo2vI
Err(NoWebsocketUpgrade)

I encountered this problem when connecting to Websocket and I can't solve it

[benediktms]

I'm encountering a similar issue, using essentially the code from the docs page, does not seem to work for me.