slint-ui/slint · error · std::io::Error

InvalidInput

InvalidInput

Error message

Not an absolute file path: {path_display}

What it means

Error "Not an absolute file path: {path_display}" thrown in slint-ui/slint.

Source

Thrown at internal/live-preview/remote/compilation.rs:27

use super::connection::Connection;

pub fn init_compiler(connection: Weak<Connection>) -> slint_interpreter::Compiler {
    let mut compiler = slint_interpreter::Compiler::new();

    let file_loader_connection = connection.clone();
    compiler.set_file_loader(move |path: &std::path::Path| {
        let url = Url::from_file_path(path);
        let path_display = path.display().to_string();
        let connection = file_loader_connection.clone();
        Box::pin(async move {
            let Some(connection) = connection.upgrade() else {
                return Some(Err(std::io::Error::new(
                    std::io::ErrorKind::BrokenPipe,
                    "Connection is no longer available",
                )));
            };
            let Ok(url) = url else {
                return Some(Err(std::io::Error::new(
                    std::io::ErrorKind::InvalidInput,
                    format!("Not an absolute file path: {path_display}"),
                )));
            };
            Some(
                connection.request_file(url).await.map(|file_content| {
                    String::from_utf8_lossy(&file_content.contents).to_string()
                }),
            )
        })
    });

    let mapper_connection = connection.clone();
    compiler.compiler_configuration(InternalToken).resource_url_mapper =
        Some(std::rc::Rc::new(move |url: &Url| {
            let connection = mapper_connection.clone();
            let url = url.clone();
            Box::pin(async move {

View on GitHub (pinned to 3fd8f2ec03)

Solutions

1. Pass an absolute file path to the remote compilation request.
2. Resolve relative paths before sending the request.

When it happens

Trigger: Thrown at internal/live-preview/remote/compilation.rs:27 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of slint-ui/slint@3fd8f2ec03 (2026-08-19). Data as JSON: /api/errors/a3aa8a29eb547fc7. Report an issue: GitHub.