openai/codex · error · anyhow::Error

query keys must not be empty

Error message

query keys must not be empty

What it means

Error "query keys must not be empty" thrown in openai/codex.

Source

Thrown at codex-rs/network-proxy/src/mitm_hook.rs:566

fn normalize_methods(methods: &[String]) -> Result<Vec<String>> {
    methods
        .iter()
        .map(|method| {
            let normalized = method.trim().to_ascii_uppercase();
            if normalized.is_empty() {
                return Err(anyhow!("methods must not contain empty entries"));
            }
            Ok(normalized)
        })
        .collect()
}

fn validate_query_constraints(query: &BTreeMap<String, Vec<String>>) -> Result<()> {
    for (name, values) in query {
        let normalized = normalize_query_name(name)?;
        if normalized.is_empty() {
            return Err(anyhow!("query keys must not be empty"));
        }
        if values.is_empty() {
            return Err(anyhow!(
                "query key {name:?} must list at least one allowed value"
            ));
        }
        let _ = compile_value_matchers(values)
            .with_context(|| format!("invalid matcher for query key {name:?}"))?;
    }
    Ok(())
}

fn normalize_query_name(name: &str) -> Result<String> {
    if name.is_empty() {
        return Err(anyhow!("query keys must not be empty"));
    }
    Ok(name.to_string())
}

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/network-proxy/src/mitm_hook.rs:566 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/e38ab5bb0848e011. Report an issue: GitHub.