# django.http.response.Http404: No MyModel matches the given query.

- **ID:** `python/django-request-method-error`
- **Domain:** python
- **Category:** data_error
- **Verification:** ai_generated
- **Fix Rate:** 80%

## Root Cause

get_object_or_404查询未找到对象

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 3.x | active | — | — |

## Workarounds

1. **** (90% success)
   ```
   检查pk或slug参数是否有效
   ```
2. **** (95% success)
   ```
   try: obj = MyModel.objects.get(pk=pk) except MyModel.DoesNotExist: raise Http404
   ```

## Dead Ends

- **** — 可能掩盖数据缺失问题 (60% fail)
- **** — 返回None可能导致模板渲染错误 (50% fail)