exo-explore/exo · error

failed to bind discovery watcher

Error message

failed to bind discovery watcher

What it means

Error "failed to bind discovery watcher" thrown in exo-explore/exo.

Source

Thrown at rust/networking/src/discovery.rs:106

                            _ => {}
                        }
                    }
                    for iface_idx in update.diff.removed {
                        ifaces.lock().retain(|addr| addr.scope_id() != iface_idx);

                        if let Err(e) = sock.leave_multicast_v6(&GROUP, iface_idx) {
                            if let Some(iface) = update.interfaces.get(&iface_idx) {
                                warn!(
                                    "failed to leave multicast v6 for interface {}: {e}",
                                    iface.name
                                )
                            }
                        }
                    }
                }
            })
            // todo: better error handling here
            .expect("failed to bind discovery watcher"),
        );
        Ok(Self {
            sock,
            namespace,
            ifaces,
            last_nonce: Mutex::new(rand::random()),
            listen_port,
            zid,
            tick: interval(Duration::from_secs(1)),
            _sync,
        })
    }

    pub async fn next(&mut self) -> io::Result<Discovered> {
        let mut buf = [0u8; Hello::buf_size() + WhatsUp::buf_size() + 1];
        loop {
            tokio::select! {
                _ = self.tick.tick() => {

View on GitHub (pinned to 21a54c5ea0)

When it happens

Trigger: Thrown at rust/networking/src/discovery.rs:106 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of exo-explore/exo@21a54c5ea0 (2026-08-26). Data as JSON: /api/errors/8885271f44dcd3c3. Report an issue: GitHub.