openai/codex · error · ClientOperationError

timed out awaiting {label} after {duration:.0?}

Error message

timed out awaiting {label} after {duration:.0?}

What it means

Error "timed out awaiting {label} after {duration:.0?}" thrown in openai/codex.

Source

Thrown at codex-rs/rmcp-client/src/rmcp_client.rs:274

                if changed.is_err() {
                    return time::timeout(remaining, operation).await.map_err(|_| ());
                }
                if *pause_state.borrow_and_update() {
                    remaining = remaining.saturating_sub(active_start.elapsed());
                    if remaining.is_zero() {
                        return Err(());
                    }
                }
            }
        }
    }
}

#[derive(Debug, thiserror::Error)]
pub(crate) enum ClientOperationError {
    #[error(transparent)]
    Service(#[from] rmcp::service::ServiceError),
    #[error("timed out awaiting {label} after {duration:.0?}")]
    Timeout { label: String, duration: Duration },
}

fn remaining_operation_timeout(
    label: &str,
    timeout: Option<Duration>,
    deadline: Option<Instant>,
) -> std::result::Result<Option<Duration>, ClientOperationError> {
    let Some(deadline) = deadline else {
        return Ok(None);
    };
    let remaining = deadline.saturating_duration_since(Instant::now());
    if remaining.is_zero() {
        Err(ClientOperationError::Timeout {
            label: label.to_string(),
            duration: timeout.unwrap_or(remaining),
        })
    } else {

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/rmcp-client/src/rmcp_client.rs:274 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

• Timeouts: ETIMEDOUT, deadlines, and hung requests — what actually expires when a request times out.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/7eecf1b85356bac1. Report an issue: GitHub.