xai-org/grok-build · error

no encoded bytes to persist

Error message

no encoded bytes to persist

What it means

Error "no encoded bytes to persist" thrown in xai-org/grok-build.

Source

Thrown at crates/codegen/xai-grok-pager-render/src/prompt_images.rs:1342

// -------------------------------------------------------------------------

/// Persist image bytes into the session `images/` directory.
///
/// Creates the directory if it does not exist. Uses a UUID-v4 filename
/// to avoid collisions (two pastes of the same image are independent).
///
/// On success:
/// - Sets `img.session_image_path` to the written file.
/// - Leaves `img.source_path` unchanged as the original display path.
/// - Drops `encoded_bytes` from memory.
pub fn persist_to_session(
    img: &mut PastedImage,
    session_images_dir: &std::path::Path,
) -> anyhow::Result<()> {
    let bytes = img
        .encoded_bytes
        .as_ref()
        .ok_or_else(|| anyhow::anyhow!("no encoded bytes to persist"))?;

    std::fs::create_dir_all(session_images_dir)?;

    let ext = extension_for_mime(&img.mime_type);
    let filename = format!("image-{}.{}", uuid::Uuid::new_v4(), ext);
    let path = session_images_dir.join(&filename);
    // Atomic write: a crash mid-write leaves no partially-written final file.
    let tmp_path = path.with_extension(format!("{ext}.tmp"));
    let write_result: anyhow::Result<()> = (|| {
        use std::io::Write as _;
        let mut f = std::fs::File::create(&tmp_path)?;
        f.write_all(bytes)?;
        f.sync_all()?;
        drop(f);
        std::fs::rename(&tmp_path, &path)?;
        Ok(())
    })();
    if write_result.is_err() {

View on GitHub (pinned to bc7f02eddd)

When it happens

Trigger: Thrown at crates/codegen/xai-grok-pager-render/src/prompt_images.rs:1342 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of xai-org/grok-build@bc7f02eddd (2026-08-31). Data as JSON: /api/errors/37d5941176c17e4b. Report an issue: GitHub.