{
  "id": "python/fastapi-upload-file-size-exceeded",
  "signature": "fastapi.exceptions.RequestValidationError: 1 validation error for Request\\nbody -> file\\n  file size exceeds limit (max: 1048576 bytes)",
  "signature_zh": "FastAPI 请求验证错误：请求体中的文件大小超过限制（最大 1048576 字节）",
  "regex": "fastapi\\.exceptions\\.RequestValidationError:\\ 1\\ validation\\ error\\ for\\ Request\\\\nbody\\ \\->\\ file\\\\n\\ \\ file\\ size\\ exceeds\\ limit\\ \\(max:\\ 1048576\\ bytes\\)",
  "domain": "python",
  "category": "data_error",
  "subcategory": null,
  "root_cause": "上传的文件超过 FastAPI 或服务器设置的限制。",
  "root_cause_type": "generic",
  "root_cause_zh": "上传的文件超过 FastAPI 或服务器设置的限制。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "可能导致服务器内存耗尽。",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "无法控制所有客户端。",
      "fail_rate": 0.4,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.9,
      "how": "from fastapi import UploadFile\\n@app.post('/upload')\\nasync def upload(file: UploadFile):\\n    content = await file.read()\\n    if len(content) > 1048576:\\n        raise HTTPException(413, 'File too large')\\n    return {'size': len(content)}",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.7,
      "how": "uvicorn --limit-max-requests 100 --limit-concurrency 10",
      "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": "2024-12-15",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}