{
  "id": "python/fastapi-websocket-disconnect-error",
  "signature": "fastapi.WebSocketDisconnect: code=1006, reason=''",
  "signature_zh": "FastAPI WebSocket断开连接：代码=1006，原因=''",
  "regex": "fastapi\\.WebSocketDisconnect:\\ code=1006,\\ reason=''",
  "domain": "python",
  "category": "network_error",
  "subcategory": null,
  "root_cause": "WebSocket连接被异常关闭，通常由于网络问题或客户端崩溃",
  "root_cause_type": "generic",
  "root_cause_zh": "WebSocket连接被异常关闭，通常由于网络问题或客户端崩溃",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "尝试在WebSocket处理中忽略断开异常",
      "why_fails": "忽略异常会导致无限循环或资源泄漏",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    },
    {
      "action": "使用全局异常捕获所有异常",
      "why_fails": "WebSocketDisconnect是特定异常，全局捕获可能不处理",
      "fail_rate": 0.4,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "在WebSocket端点中捕获断开异常",
      "success_rate": 0.95,
      "how": "from fastapi import WebSocketDisconnect\nasync def websocket_endpoint(websocket: WebSocket):\n    await websocket.accept()\n    try:\n        while True:\n            data = await websocket.receive_text()\n    except WebSocketDisconnect:\n        print('Client disconnected')",
      "condition": "",
      "sources": []
    },
    {
      "action": "实现自动重连逻辑",
      "success_rate": 0.85,
      "how": "async def connect_with_retry():\n    while True:\n        try:\n            await websocket.accept()\n            break\n        except WebSocketDisconnect:\n            await asyncio.sleep(1)",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": null,
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.82,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-07-25",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}