openai/codex · error · anyhow::Error

execution-scoped network proxy is already running

Error message

execution-scoped network proxy is already running

What it means

Error "execution-scoped network proxy is already running" thrown in openai/codex.

Source

Thrown at codex-rs/network-proxy/src/proxy.rs:1354

        let settings = NetworkProxyRuntimeSettings::from_config(&new_state.config)?;
        self.state.replace_config_state(new_state).await?;
        let mut guard = self
            .runtime_settings
            .write()
            .unwrap_or_else(std::sync::PoisonError::into_inner);
        *guard = settings;
        Ok(())
    }

    fn runtime_settings(&self) -> NetworkProxyRuntimeSettings {
        self.runtime_settings
            .read()
            .unwrap_or_else(std::sync::PoisonError::into_inner)
            .clone()
    }

    pub async fn run(&self) -> Result<NetworkProxyHandle> {
        anyhow::ensure!(
            self.execution_scope.is_none(),
            "execution-scoped network proxy is already running"
        );
        let current_cfg = self.state.current_cfg().await?;
        if !current_cfg.enabled {
            warn!("network.enabled is false; skipping proxy listeners");
            return Ok(NetworkProxyHandle::noop());
        }

        if !cfg!(target_os = "windows") && !unix_socket_permissions_supported() {
            warn!(
                "allowUnixSockets and dangerouslyAllowAllUnixSockets are macOS-only; requests will be rejected on this platform"
            );
        }

        #[cfg(target_os = "windows")]
        if let Some(windows_runtime) = self.windows_runtime.as_ref() {
            let mut active_route = windows_runtime

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/network-proxy/src/proxy.rs:1354 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/fe64fe92084dc7f3. Report an issue: GitHub.