HKUDS/nanobot · error · RuntimeError

Feishu WebSocket runner did not start

Error message

Feishu WebSocket runner did not start

What it means

Error "Feishu WebSocket runner did not start" thrown in HKUDS/nanobot.

Source

Thrown at nanobot/channels/feishu/websocket.py:77

            asyncio.run_coroutine_threadsafe(self._start_client(key, client), loop)
        )

    async def stop_client(self, key: str) -> None:
        """Stop one client runtime if it is active."""
        loop = self._loop
        if loop is None or loop.is_closed():
            return
        await asyncio.wrap_future(asyncio.run_coroutine_threadsafe(self._stop_client(key), loop))

    def _ensure_loop(self) -> asyncio.AbstractEventLoop:
        with self._lock:
            if self._loop is not None and not self._loop.is_closed():
                return self._loop
            self._ready.clear()
            self._thread = threading.Thread(target=self._run_loop, name="feishu-ws", daemon=True)
            self._thread.start()
            if not self._ready.wait(timeout=10) or self._loop is None:
                raise RuntimeError("Feishu WebSocket runner did not start")
            return self._loop

    def _run_loop(self) -> None:
        loop = asyncio.new_event_loop()
        asyncio.set_event_loop(loop)
        try:
            import lark_oapi.ws.client as lark_ws_client

            lark_ws_client.loop = loop
            self._loop = loop
            self._ready.set()
            loop.run_forever()
        finally:
            with suppress(Exception):
                loop.run_until_complete(loop.shutdown_asyncgens())
            loop.close()

    async def _start_client(self, key: str, client: _LarkWsClient) -> None:

View on GitHub (pinned to 42f37dc4c0)

When it happens

Trigger: Thrown at nanobot/channels/feishu/websocket.py:77 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/nanobot@42f37dc4c0 (2026-08-26). Data as JSON: /api/errors/3cae19e5038070eb. Report an issue: GitHub.