python runtime_error ai_generated true

RuntimeError：收到断开连接消息后无法调用 'receive'。

RuntimeError: Cannot call 'receive' once a disconnect message has been received.

ID: python/starlette-websocket-receive

其他格式: JSON · Markdown 中文 · English
80%修复率
87%置信度
0证据数
2025-11-25首次发现

版本兼容性

版本状态引入弃用备注
0.30.x active — — —
0.40.x active — — —

根因分析

在 WebSocket 客户端断开连接后尝试接收更多消息。

English

Attempting to receive more messages after the WebSocket client has disconnected.

generic

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

常见但无效的做法:

  1. 70% 失败

    May cause infinite loop if not breaking.

  2. 80% 失败

    Leaves the connection in an inconsistent state.