openai/codex · error · anyhow::Error

OSS provider not set but oss flag was used

Error message

OSS provider not set but oss flag was used

What it means

Error "OSS provider not set but oss flag was used" thrown in openai/codex.

Source

Thrown at codex-rs/exec/src/lib.rs:696

        thread_source,
    } = args;

    let mut event_processor: Box<dyn EventProcessor> = match json_mode {
        true => Box::new(EventProcessorWithJsonOutput::new(last_message_file.clone())),
        _ => Box::new(EventProcessorWithHumanOutput::create_with_ansi(
            stderr_with_ansi,
            &config,
            last_message_file.clone(),
        )),
    };
    if oss {
        // We're in the oss section, so provider_id should be Some
        // Let's handle None case gracefully though just in case
        let provider_id = match model_provider.as_ref() {
            Some(id) => id,
            None => {
                error!("OSS provider unexpectedly not set when oss flag is used");
                return Err(anyhow::anyhow!(
                    "OSS provider not set but oss flag was used"
                ));
            }
        };
        ensure_oss_provider_ready(provider_id, &config)
            .await
            .map_err(|e| anyhow::anyhow!("OSS setup failed: {e}"))?;
    }

    let default_cwd = config.cwd.to_path_buf();
    let default_approval_policy = config.permissions.approval_policy.value();
    let default_effort = config.model_reasoning_effort.clone();

    let (initial_operation, prompt_summary) = match (command.as_ref(), prompt, images) {
        (Some(ExecCommand::Review(review_cli)), _, _) => {
            let review_request = build_review_request(review_cli)?;
            let summary = codex_core::review_prompts::user_facing_hint(&review_request.target);
            (InitialOperation::Review { review_request }, summary)

View on GitHub (pinned to 339751715c)

Solutions

1. Configure an OSS provider before using the --oss flag.

When it happens

Trigger: Thrown at codex-rs/exec/src/lib.rs:696 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/db6fd1bbd33ef4a1. Report an issue: GitHub.