openai/codex · error · anyhow::Error

helper destination has no parent: {}

Error message

helper destination has no parent: {}

What it means

Error "helper destination has no parent: {}" thrown in openai/codex.

Source

Thrown at codex-rs/windows-sandbox-rs/src/helper_materialization.rs:271

fn dev_build_suffix(source: &Path) -> Result<String> {
    let metadata = fs::metadata(source)
        .with_context(|| format!("read helper source metadata {}", source.display()))?;
    let modified = metadata
        .modified()
        .with_context(|| format!("read helper source mtime {}", source.display()))?;
    let duration = modified
        .duration_since(UNIX_EPOCH)
        .with_context(|| format!("convert helper source mtime {}", source.display()))?;
    Ok(format!("{}-{:x}", metadata.len(), duration.as_secs(),))
}

fn copy_from_source_if_needed(source: &Path, destination: &Path) -> Result<CopyOutcome> {
    if destination_is_fresh(source, destination)? {
        return Ok(CopyOutcome::Reused);
    }

    let destination_dir = destination.parent().ok_or_else(|| {
        anyhow!(
            "helper destination has no parent: {}",
            destination.display()
        )
    })?;
    fs::create_dir_all(destination_dir).with_context(|| {
        format!(
            "create helper destination directory {}",
            destination_dir.display()
        )
    })?;

    let temp_path = NamedTempFile::new_in(destination_dir)
        .with_context(|| {
            format!(
                "create temporary helper file in {}",
                destination_dir.display()
            )
        })?

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/windows-sandbox-rs/src/helper_materialization.rs:271 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/84a126efdbf73c6d. Report an issue: GitHub.