openai/codex · error · io::Error

NotFound

NotFound

Error message

Built-in provider {OLLAMA_OSS_PROVIDER_ID} not found

What it means

Error "Built-in provider {OLLAMA_OSS_PROVIDER_ID} not found" thrown in openai/codex.

Source

Thrown at codex-rs/ollama/src/client.rs:51

pub struct OllamaClient {
    client: RouteAwareClientPool,
    host_root: String,
    uses_openai_compat: bool,
}

impl OllamaClient {
    /// Construct a client for the built‑in open‑source ("oss") model provider
    /// and verify that a local Ollama server is reachable. If no server is
    /// detected, returns an error with helpful installation/run instructions.
    pub async fn try_from_oss_provider(config: &Config) -> io::Result<Self> {
        // Note that we must look up the provider from the Config to ensure that
        // any overrides the user has in their config.toml are taken into
        // account.
        let provider = config
            .model_providers
            .get(OLLAMA_OSS_PROVIDER_ID)
            .ok_or_else(|| {
                io::Error::new(
                    io::ErrorKind::NotFound,
                    format!("Built-in provider {OLLAMA_OSS_PROVIDER_ID} not found",),
                )
            })?;

        Self::try_from_provider(provider, config.http_client_factory()).await
    }

    #[cfg(test)]
    async fn try_from_provider_with_base_url(base_url: &str) -> io::Result<Self> {
        let provider = create_oss_provider_with_base_url(base_url, WireApi::Responses);
        Self::try_from_provider(
            &provider,
            HttpClientFactory::new(OutboundProxyPolicy::ReqwestDefault),
        )
        .await
    }

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/ollama/src/client.rs:51 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/e3fc2e83389a3015. Report an issue: GitHub.