{
  "id": "go/grpc-server-reflect-unavailable",
  "signature": "rpc error: code = Unavailable desc = all SubConns are in TransientFailure",
  "signature_zh": "rpc错误：代码=不可用 描述=所有子连接处于瞬态故障状态",
  "regex": "rpc\\ error:\\ code\\ =\\ Unavailable\\ desc\\ =\\ all\\ SubConns\\ are\\ in\\ TransientFailure",
  "domain": "go",
  "category": "network_error",
  "subcategory": null,
  "root_cause": "gRPC server reflection is enabled but the server is not reachable due to network partition or server crash.",
  "root_cause_type": "generic",
  "root_cause_zh": "gRPC服务器反射已启用，但由于网络分区或服务器崩溃，服务器无法访问。",
  "versions": [
    {
      "version": "1.2",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Increase client timeout to 10 seconds.",
      "why_fails": "The server is not responding at all, timeout won't help.",
      "fail_rate": 0.95,
      "condition": "",
      "sources": []
    },
    {
      "action": "Add retry logic with exponential backoff.",
      "why_fails": "Retries won't fix a dead server.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Check server health endpoint and restart if needed.",
      "success_rate": 0.9,
      "how": "grpcurl -plaintext localhost:50051 list",
      "condition": "",
      "sources": []
    },
    {
      "action": "Verify firewall rules allow gRPC traffic on the target port.",
      "success_rate": 0.85,
      "how": "nc -zv server-address 50051",
      "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": "2024-04-20",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}