JsonAuthenticationEntryPoint

Info

Spring Security AuthenticationEntryPoint that returns a unified JSON error response for unauthenticated or expired-token requests (HTTP 401).

Overview

Handles AuthenticationException thrown when a request lacks valid authentication. Supports custom error messages and codes via request attributes set by upstream filters (e.g. JwtAuthenticationEntryPoint).

Response Format

{
  "code": 401,
  "message": "未登录或token已过期"
}

Field	Type	Default	Customizable Via
code	int	401	request.getAttribute("auth_error_code")
message	String	未登录或token已过期	request.getAttribute("auth_error_message")

HTTP Status: 401 Unauthorized

Request Attributes

Attribute	Type	Description
auth_error_code	Integer	Custom business error code (defaults to 401)
auth_error_message	String	Custom error message (defaults to "未登录或token已过期")

Dependencies

• ObjectMapper -- JSON serialization