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fix(base/server): return HTTP error responses instead of dropping connection in WorkerService #696

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Merged
nyannyacha merged 3 commits into from
Apr 24, 2026
Merged

fix(base/server): return HTTP error responses instead of dropping connection in WorkerService #696

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0ec8fcb
fix(base/server): return HTTP error responses instead of dropping con…
nyannyacha Apr 24, 2026
6d1f6ef
stamp: meow
nyannyacha Apr 24, 2026
4146ba1
stamp: update tests
nyannyacha Apr 24, 2026
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27 changes: 19 additions & 8 deletions crates/base/src/server.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,8 @@ mod signal {
pub use tokio::signal::unix;
}

const SERVED_BY: &str = concat!(env!("CARGO_PKG_NAME"), "/server");

pub enum ServerEvent {
ConnectionError(hyper_v014::Error),
#[cfg(debug_assertions)]
Expand Down Expand Up @@ -221,20 +223,29 @@ impl Service<Request<Body>> for WorkerService {

let res = match res_rx.await {
Ok(res) => res,
Err(err) => {
Err(_) => {
metric_src.incl_handled_requests();
return Err(err.into());
return Ok(
Response::builder()
.status(http_v02::StatusCode::INTERNAL_SERVER_ERROR)
.header("x-served-by", SERVED_BY)
.body(Body::empty())
.unwrap(),
);
}
};

// If the token has already been canceled, drop the socket connection
// without sending a response.
// If the token has already been canceled, return 503 instead of
// dropping the socket connection without a response.
if cancel.is_cancelled() {
error!("connection aborted (uri: {:?})", req_uri.to_string());
return Err(anyhow!(std::io::Error::new(
std::io::ErrorKind::ConnectionAborted,
"connection aborted"
)));
return Ok(
Response::builder()
.status(http_v02::StatusCode::SERVICE_UNAVAILABLE)
.header("x-served-by", SERVED_BY)
.body(Body::empty())
.unwrap(),
);
}

let res = match res {
Expand Down
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