openai/codex · error · std::io::Error

error parsing -c overrides: {e}

Error message

error parsing -c overrides: {e}

What it means

Error "error parsing -c overrides: {e}" thrown in openai/codex.

Source

Thrown at codex-rs/mcp-server/src/lib.rs:71

/// Size of the bounded channels used to communicate between tasks. The value
/// is a balance between throughput and memory usage – 128 messages should be
/// plenty for an interactive CLI.
const CHANNEL_CAPACITY: usize = 128;
const DEFAULT_ANALYTICS_ENABLED: bool = true;
const OTEL_SERVICE_NAME: &str = "codex_mcp_server";

type IncomingMessage = JsonRpcMessage<ClientRequest, Value, ClientNotification>;

pub async fn run_main(
    arg0_paths: Arg0DispatchPaths,
    cli_config_overrides: CliConfigOverrides,
    strict_config: bool,
) -> IoResult<()> {
    reject_workload_identity(codex_login::is_workload_identity_selected())?;
    // Parse CLI overrides once and derive the base Config eagerly so later
    // components do not need to work with raw TOML values.
    let cli_kv_overrides = cli_config_overrides.parse_overrides().map_err(|e| {
        std::io::Error::new(
            ErrorKind::InvalidInput,
            format!("error parsing -c overrides: {e}"),
        )
    })?;
    let config = ConfigBuilder::default()
        .cli_overrides(cli_kv_overrides)
        .strict_config(strict_config)
        .build()
        .await
        .map_err(|e| {
            std::io::Error::new(ErrorKind::InvalidData, format!("error loading config: {e}"))
        })?;
    config.auth_config().validate()?;
    set_default_client_residency_requirement(config.enforce_residency.value());
    let otel = codex_core::otel_init::build_provider(
        &config,
        env!("CARGO_PKG_VERSION"),
        Some(OTEL_SERVICE_NAME),

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/mcp-server/src/lib.rs:71 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/4286119cd99394a1. Report an issue: GitHub.