{
  "id": "go/grpc-canceled-context",
  "signature": "rpc error: code = Canceled desc = grpc: the client connection is closing",
  "signature_zh": "rpc 错误：代码 = Canceled 描述 = grpc：客户端连接正在关闭",
  "regex": "rpc\\ error:\\ code\\ =\\ Canceled\\ desc\\ =\\ grpc:\\ the\\ client\\ connection\\ is\\ closing",
  "domain": "go",
  "category": "network_error",
  "subcategory": null,
  "root_cause": "The client's gRPC connection was closed (e.g., via conn.Close()) while a request was in flight, causing the RPC to be canceled.",
  "root_cause_type": "generic",
  "root_cause_zh": "客户端 gRPC 连接在请求进行中被关闭（例如通过 conn.Close()），导致 RPC 被取消。",
  "versions": [
    {
      "version": "1.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "The connection is closed; subsequent requests will also fail.",
      "fail_rate": 0.95,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "The connection is already closed; you need a new connection.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.85,
      "how": "if conn == nil { conn, _ = grpc.Dial(address, grpc.WithInsecure()) }; resp, err := client.Call(ctx, ...)",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.8,
      "how": "Implement a pool that returns a new connection if the old one is closed.",
      "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": 0.85,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-12-01",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}