The HTTP specification suggests the phrase "Not Found" [1] and many web servers by default issue an HTML page that includes both the 404 code and the "Not Found" phrase.

Mar 7, 2012 · Unfortunately, I don't think there is a clear status code that makes sense here, but I'd tend to lean more towards the answer of 204 (or potentially even a 200 with a body that indicates "Data …

Jan 25, 2025 · HTTP status codes are grouped into various categories, such as Informational (1xx), Successful (2xx), Redirection (3xx), Client Errors (4xx), and Server Errors (5xx). Below is a …

Oct 30, 2025 · This response code means the returned metadata is not exactly the same as is available from the origin server, but is collected from a local or a third-party copy.

在本文中，我们将介绍如何正确处理Oracle数据库中的ORA-01403: no data found异常。 这个异常通常在执行查询语句时出现，告诉我们没有找到符合条件的数据。

Aug 2, 2023 · What is '404 Not Found'? Learn how to use and/or fix this HTTP status code, with free examples and code snippets.

Jan 26, 2023 · 当进行数据操作时，尤其是在使用数据库查询或处理文件时，经常会遇到"Data not found"（数据未找到）的错误。 这种错误可能出现在各种编程语言和开发环境中，因此我们需要了 …

Aug 9, 2024 · The 404 error status code indicates that the REST API can’t map the client’s URI to a resource but may be available in the future. Subsequent requests by the client are permissible.

When you receive a data not found message and a corresponding 401 error code, chances are one of the parameter values was entered...

A 404 return code actually means 'resource not found', and applies to any entity for which a request was made but not satisfied. So it works equally-well for pages, subsections of pages, and any item that …