openai/codex · error

oss provider must have a base_url

Error message

oss provider must have a base_url

What it means

Error "oss provider must have a base_url" thrown in openai/codex.

Source

Thrown at codex-rs/ollama/src/client.rs:79

    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
    }

    /// Build a client from a provider definition and verify the server is reachable.
    pub(crate) async fn try_from_provider(
        provider: &ModelProviderInfo,
        http_client_factory: HttpClientFactory,
    ) -> io::Result<Self> {
        #![expect(clippy::expect_used)]
        let base_url = provider
            .base_url
            .as_ref()
            .expect("oss provider must have a base_url");
        let uses_openai_compat = is_openai_compatible_base_url(base_url);
        let host_root = base_url_to_host_root(base_url);
        let client = RouteAwareClientPool::with_connect_timeout(
            http_client_factory,
            ClientRouteClass::Other,
            OLLAMA_CONNECTION_TIMEOUT,
        )
        .with_legacy_custom_ca_fallback();
        let client = Self {
            client,
            host_root,
            uses_openai_compat,
        };
        client.probe_server().await?;
        Ok(client)
    }

    /// Probe whether the server is reachable by hitting the appropriate health endpoint.

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/ollama/src/client.rs:79 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/f3a3a11524e9e7ac. Report an issue: GitHub.