{
  "id": "go/proxy-tls-handshake-timeout",
  "signature": "go: github.com/user/repo@v1.0.0: read tcp 192.0.2.1:443->proxy.golang.org:443: i/o timeout",
  "signature_zh": "go: github.com/user/repo@v1.0.0: 读取 tcp 192.0.2.1:443->proxy.golang.org:443: 输入/输出超时",
  "regex": "go:\\ github\\.com/user/repo@v1\\.0\\.0:\\ read\\ tcp\\ 192\\.0\\.2\\.1:443\\->proxy\\.golang\\.org:443:\\ i/o\\ timeout",
  "domain": "go",
  "category": "network_error",
  "subcategory": null,
  "root_cause": "Network connectivity issue to the Go module proxy, often due to firewall, DNS, or temporary proxy outage.",
  "root_cause_type": "generic",
  "root_cause_zh": "与 Go 模块代理的网络连接问题，通常由防火墙、DNS 或代理临时故障引起。",
  "versions": [
    {
      "version": "1.16",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "1.21",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Go does not have a direct timeout setting for GOPROXY; the timeout is OS-level and cannot be changed via Go env.",
      "fail_rate": 1.0,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "If the network issue is persistent (e.g., firewall), retry will keep failing.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.8,
      "how": "GOPROXY=direct go mod download",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.85,
      "how": "GOPROXY=https://goproxy.cn,direct go mod download",
      "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": "2024-05-20",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}