{
  "id": "python/django-cache-backend-error",
  "signature": "django.core.cache.backends.base.InvalidCacheBackendError: Could not find backend 'django.core.cache.backends.memcached.MemcachedCache': cannot import name 'MemcachedCache'",
  "signature_zh": "Django缓存后端错误：找不到后端'django.core.cache.backends.memcached.MemcachedCache'：无法导入名称'MemcachedCache'",
  "regex": "django\\.core\\.cache\\.backends\\.base\\.InvalidCacheBackendError:\\ Could\\ not\\ find\\ backend\\ 'django\\.core\\.cache\\.backends\\.memcached\\.MemcachedCache':\\ cannot\\ import\\ name\\ 'MemcachedCache'",
  "domain": "python",
  "category": "module_error",
  "subcategory": null,
  "root_cause": "Memcached backend is not available, likely due to missing python-memcached library.",
  "root_cause_type": "generic",
  "root_cause_zh": "Memcached后端不可用，可能是缺少python-memcached库。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Not suitable for production multi-process environments.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Still fails due to missing dependency.",
      "fail_rate": 0.5,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.9,
      "how": "Install memcached library: pip install python-memcached",
      "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": 0.86,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-07-22",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}