# RuntimeError：收到断开连接消息后无法调用 'receive'。

- **ID:** `python/starlette-websocket-receive`
- **领域:** python
- **类别:** runtime_error
- **验证级别:** ai_generated
- **修复率:** 80%

## 根因

在 WebSocket 客户端断开连接后尝试接收更多消息。

## 版本兼容性

| 版本 | 状态 | 引入 | 弃用 |
|------|------|------|------|
| 0.30.x | active | — | — |
| 0.40.x | active | — | — |

## 解决方案

1. **** (95% 成功率)
   ```
   while True:
    try:
        data = await websocket.receive_text()
    except WebSocketDisconnect:
        break
   ```
2. **** (90% 成功率)
   ```
   if websocket.client_state == WebSocketState.CONNECTED:
    data = await websocket.receive_text()
   ```

## 无效尝试

- **** — May cause infinite loop if not breaking. (70% 失败率)
- **** — Leaves the connection in an inconsistent state. (80% 失败率)