astral-sh/ruff · error · ruff_server::server::api::Error

-32602

-32602

Error message

Invalid command `{name}`

What it means

Error "Invalid command `{name}`" thrown in astral-sh/ruff.

Source

Thrown at crates/ruff_server/src/server.rs:369

        [
            SupportedCommand::Format,
            SupportedCommand::FixAll,
            SupportedCommand::OrganizeImports,
            SupportedCommand::Debug,
        ]
    }
}

impl FromStr for SupportedCommand {
    type Err = anyhow::Error;

    fn from_str(name: &str) -> anyhow::Result<Self, Self::Err> {
        Ok(match name {
            "ruff.applyAutofix" => Self::FixAll,
            "ruff.applyFormat" => Self::Format,
            "ruff.applyOrganizeImports" => Self::OrganizeImports,
            "ruff.printDebugInformation" => Self::Debug,
            _ => return Err(anyhow::anyhow!("Invalid command `{name}`")),
        })
    }
}

type PanicHook = Box<dyn Fn(&PanicHookInfo<'_>) + 'static + Sync + Send>;

struct ServerPanicHookHandler {
    hook: Option<PanicHook>,
    // Hold on to the strong reference for as long as the panic hook is set.
    _client: Arc<Client>,
}

impl ServerPanicHookHandler {
    fn new(client: Client) -> Self {
        let hook = std::panic::take_hook();
        let client = Arc::new(client);

        // Use a weak reference to the client because it must be dropped when exiting or the

View on GitHub (pinned to 672bb4edf0)

When it happens

Trigger: Thrown at crates/ruff_server/src/server.rs:369 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of astral-sh/ruff@672bb4edf0 (2026-08-16). Data as JSON: /api/errors/f9fda13f0beb68cd. Report an issue: GitHub.