openai/codex · error · anyhow::Error

raw trace event has no reducer implementation

Error message

raw trace event has no reducer implementation

What it means

Error "raw trace event has no reducer implementation" thrown in openai/codex.

Source

Thrown at codex-rs/rollout-trace/src/reducer/mod.rs:475

                edge_id,
                child_thread_id,
                child_codex_turn_id,
                parent_thread_id,
                message,
                carried_payload,
            } => {
                self.queue_agent_result_interaction_edge(ObservedAgentResultEdge {
                    wall_time_unix_ms: event.wall_time_unix_ms,
                    edge_id,
                    child_thread_id,
                    child_codex_turn_id,
                    parent_thread_id,
                    message,
                    carried_payload,
                })?;
            }
            RawTraceEventPayload::Other { .. } => {
                bail!("raw trace event has no reducer implementation");
            }
        }

        Ok(())
    }

    fn insert_raw_payload(&mut self, payload: &RawPayloadRef) {
        self.rollout
            .raw_payloads
            .insert(payload.raw_payload_id.clone(), payload.clone());
    }
}

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/rollout-trace/src/reducer/mod.rs:475 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/136cb844ff00d4bb. Report an issue: GitHub.