openai/codex · error · io::Error

io::ErrorKind::InvalidInput

io::ErrorKind::InvalidInput

Error message

remote control URL cannot be a base

What it means

Error "remote control URL cannot be a base" thrown in openai/codex.

Source

Thrown at codex-rs/app-server-transport/src/transport/remote_control/clients.rs:265

        404 => ErrorKind::NotFound,
        _ => ErrorKind::Other,
    };
    Err(io::Error::new(
        error_kind,
        format!(
            "remote control {response_kind} failed at `{url}`: HTTP {status}, {}, body: {body_preview}",
            format_headers(headers)
        ),
    ))
}

fn environment_clients_url(remote_control_url: &str, environment_id: &str) -> io::Result<Url> {
    let mut url = normalize_remote_control_base_url(remote_control_url)?
        .join("wham/remote/control/environments")
        .map_err(io::Error::other)?;
    url.path_segments_mut()
        .map_err(|()| {
            io::Error::new(
                ErrorKind::InvalidInput,
                "remote control URL cannot be a base",
            )
        })?
        .push(environment_id)
        .push("clients");
    Ok(url)
}

impl TryFrom<RemoteControlClientResponse> for RemoteControlClient {
    type Error = io::Error;

    fn try_from(client: RemoteControlClientResponse) -> Result<Self, Self::Error> {
        Ok(Self {
            client_id: client.client_id,
            display_name: client.display_name,
            device_type: client.device_type,
            platform: client.platform,

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/app-server-transport/src/transport/remote_control/clients.rs:265 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/54504801896923db. Report an issue: GitHub.