openai/codex · error · anyhow::Error

duplicate code-mode request ID {request_id:?}

Error message

duplicate code-mode request ID {request_id:?}

What it means

Error "duplicate code-mode request ID {request_id:?}" thrown in openai/codex.

Source

Thrown at codex-rs/code-mode-host/src/lib.rs:704

    kind: RequestKind,
    cancellation: CancellationToken,
}

#[derive(Default)]
struct RequestRegistry {
    active: HashMap<RequestId, ActiveRequest>,
    recent: HashSet<RequestId>,
    recent_order: VecDeque<RequestId>,
}

impl RequestRegistry {
    fn start(
        &mut self,
        request_id: RequestId,
        kind: RequestKind,
    ) -> Result<CancellationToken, anyhow::Error> {
        if self.active.contains_key(&request_id) || self.recent.contains(&request_id) {
            anyhow::bail!("duplicate code-mode request ID {request_id:?}");
        }
        let cancellation = CancellationToken::new();
        self.active.insert(
            request_id,
            ActiveRequest {
                kind,
                cancellation: cancellation.clone(),
            },
        );
        Ok(cancellation)
    }

    fn cancel(&mut self, request_id: RequestId) {
        if let Some(request) = self.active.get(&request_id)
            && request.kind.is_cancellable()
        {
            request.cancellation.cancel();
        }

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/code-mode-host/src/lib.rs:704 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/21ce0c07691118d1. Report an issue: GitHub.