DioxusLabs/dioxus · error

Missing tailwindcss@{}

Error message

Missing tailwindcss@{}

What it means

Failure of Tailwind::get_binary_path in no-download mode (CliSettings::prefer_no_downloads): which::which("tailwindcss") found no system-installed tailwindcss binary for the pinned version, so the CLI cannot run the Tailwind build step.

Source

Thrown at packages/cli/src/tailwind.rs:162

        let proc = cmd
            .arg("--input")
            .arg(input_path)
            .arg("--output")
            .arg(output_path)
            .args(watch.then_some("--watch"))
            .current_dir(manifest_dir)
            .kill_on_drop(true)
            .stdin(Stdio::piped())
            .stdout(Stdio::null())
            .stderr(Stdio::null())
            .spawn()?;

        Ok(proc)
    }

    pub fn get_binary_path(&self) -> anyhow::Result<PathBuf> {
        if CliSettings::prefer_no_downloads() {
            which::which("tailwindcss").map_err(|_| anyhow!("Missing tailwindcss@{}", self.version))
        } else {
            let installed_name = self.installed_bin_name();
            let install_dir = self.install_dir()?;
            Ok(install_dir.join(installed_name))
        }
    }

    fn installed_bin_name(&self) -> &'static str {
        if cfg!(windows) {
            "tailwindcss.exe"
        } else {
            "tailwindcss"
        }
    }

    async fn install_github(&self) -> anyhow::Result<()> {
        tracing::debug!(
            "Attempting to install tailwindcss@{} from GitHub",

View on GitHub (pinned to 24f6a829df)

Solutions

1. The required tailwindcss version is missing. Let dx download it or install it manually.

When it happens

Trigger: Thrown at packages/cli/src/tailwind.rs:162 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of DioxusLabs/dioxus@24f6a829df (2026-08-23). Data as JSON: /api/errors/ac3b59a95ea092e2. Report an issue: GitHub.