python data_error ai_generated true

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

ID: python/django-request-method-error

Also available as: JSON · Markdown · 中文
80%Fix Rate
86%Confidence
0Evidence
2024-11-22First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.x active

Root Cause

get_object_or_404查询未找到对象

generic

中文

数据库中没有符合查询条件的对象,视图抛出404

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

Common approaches that don't work:

  1. 60% fail

    可能掩盖数据缺失问题

  2. 50% fail

    返回None可能导致模板渲染错误