{
  "id": "go/proxy-rate-limit",
  "signature": "go: github.com/example/mod@v1.0.0: reading https://proxy.golang.org/github.com/example/mod/@v/v1.0.0.mod: 429 Too Many Requests",
  "signature_zh": "go: 代理请求过多: 429 Too Many Requests",
  "regex": "go:\\ github\\.com/example/mod@v1\\.0\\.0:\\ reading\\ https://proxy\\.golang\\.org/github\\.com/example/mod/@v/v1\\.0\\.0\\.mod:\\ 429\\ Too\\ Many\\ Requests",
  "domain": "go",
  "category": "network_error",
  "subcategory": null,
  "root_cause": "The Go module proxy has rate-limited your IP due to excessive requests in a short period.",
  "root_cause_type": "generic",
  "root_cause_zh": "Go 模块代理因短时间内请求过多而对您的 IP 进行了速率限制。",
  "versions": [
    {
      "version": "1.20",
      "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"
    },
    {
      "version": "1.22",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Increasing parallelism in build with -p flag.",
      "why_fails": "More parallel requests will worsen the rate limit.",
      "fail_rate": 1.0,
      "condition": "",
      "sources": []
    },
    {
      "action": "Using a different proxy without waiting.",
      "why_fails": "If the same IP is used, the rate limit may still apply.",
      "fail_rate": 0.5,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Wait for the rate limit window to expire (typically a few minutes).",
      "success_rate": 0.8,
      "how": "Pause all Go commands for 5-10 minutes, then retry.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use a different proxy or direct source with GOPROXY=direct.",
      "success_rate": 0.9,
      "how": "Set 'export GOPROXY=direct' to bypass the proxy and fetch directly from VCS.",
      "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": 0.84,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2025-07-01",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}