I have a problem with Spring security, I try to redirect to login page when the user session was expired but it doesn't work. and I got this message when a user session was expired in my
jsp page:
Etat HTTP 500 - Request processing failed; nested exception is java.lang.NullPointerException.
type Rapport d''exception
message Request processing failed; nested exception is java.lang.NullPointerException
description Le serveur a rencontré une erreur interne qui l''a empêché de satisfaire la requête.
exception org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:973) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:852) javax.servlet.http.HttpServlet.service(HttpServlet.java:620)
This is my spring-security :