openai/codex · error · anyhow::Error

inference response payload {} did not contain output_items

Error message

inference response payload {} did not contain output_items

What it means

Error "inference response payload {} did not contain output_items" thrown in openai/codex.

Source

Thrown at codex-rs/rollout-trace/src/reducer/conversation.rs:140

        if post_compaction_snapshot.is_some() {
            self.pending_compaction_replacement_item_ids
                .remove(thread_id);
        }
        self.thread_conversation_snapshots
            .insert(thread_id.to_string(), request_item_ids.clone());
        Ok(request_item_ids)
    }

    /// Reduces an inference response payload into conversation items produced by the call.
    pub(super) fn reduce_inference_response(
        &mut self,
        wall_time_unix_ms: i64,
        inference_call_id: &InferenceCallId,
        response_payload: &RawPayloadRef,
    ) -> Result<Vec<String>> {
        let payload = self.read_payload_json(response_payload)?;
        let Some(output_items) = payload.get("output_items").and_then(Value::as_array) else {
            bail!(
                "inference response payload {} did not contain output_items",
                response_payload.raw_payload_id
            );
        };

        let Some((thread_id, codex_turn_id)) = self
            .rollout
            .inference_calls
            .get(inference_call_id)
            .map(|inference| (inference.thread_id.clone(), inference.codex_turn_id.clone()))
        else {
            bail!("inference response referenced unknown call {inference_call_id}");
        };

        let items = normalize::normalize_model_items(output_items, response_payload)?;
        // Response output is appended immediately: it was produced by the model,
        // so it is conversation even before a later request carries it forward.
        let append_at = self

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/rollout-trace/src/reducer/conversation.rs:140 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/42b50bafb73cd6f8. Report an issue: GitHub.