{
  "id": "go/module-not-found-reading-https-proxy",
  "signature": "go: module github.com/foo/bar@v1.2.3: reading https://proxy.golang.org/github.com/foo/bar/@v/v1.2.3.mod: 404 Not Found",
  "signature_zh": "go: 模块 github.com/foo/bar@v1.2.3: 读取 https://proxy.golang.org/.../v1.2.3.mod: 404 未找到",
  "regex": "go:\\ module\\ github\\.com/foo/bar@v1\\.2\\.3:\\ reading\\ https://proxy\\.golang\\.org/github\\.com/foo/bar/@v/v1\\.2\\.3\\.mod:\\ 404\\ Not\\ Found",
  "domain": "go",
  "category": "module_error",
  "subcategory": null,
  "root_cause": "The module version does not exist on the configured proxy or the module path is wrong/mis-cased. Go module paths are case-sensitive and require the exact tag (e.g. v1.2.3, not v1.2).",
  "root_cause_type": "generic",
  "root_cause_zh": "所请求的模块版本在代理上不存在，或模块路径拼写/大小写错误。Go 模块路径区分大小写，且需要精确的 tag（如 v1.2.3，而非 v1.2）。",
  "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 still needs to resolve the original module graph and reports 'replacement directory does not exist'",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "clearing cache does not create a missing version on the proxy",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "does not change remote availability of the module version",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.95,
      "how": "git ls-remote --tags https://github.com/foo/bar | grep v1.2.3\ngo get github.com/foo/bar@v1.2.3",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.9,
      "how": "GOPRIVATE=github.com/foo/* GONOSUMDB=github.com/foo/* GOPROXY=direct go get github.com/foo/bar@v1.2.3",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.8,
      "how": "go get github.com/foo/bar@<commit-sha>",
      "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": 0.88,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-02-11",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}