Hello, I just started to work on web and have the following issue: We want some (mobile) users to be able to automatically log back in for a given period of time. It is not difficult to set cookie (valid user information without clear text) on the mobile device. For now the question is how we can log in using this cookie info. Web application uses "j_security_check", "j_security_check" checks the user/password. Question is how we can autologin using cookie information.it is not problem to check cookie on exists and valid. Problem is - where can I do it using 'j_security_check' Thanks guys!