Is there a way to propagate to HttpSession a login made using a servlet and jaas?.
I see that LoginContext.login() works fine BUT it is not propagated to HttpSession (or I do not know how...). That's why Tomcat request.getUserPrincipal().getName() cannot see it.
On the contrary, using login form authentication and j_security_check action, user is propagated ok and no need to use a custom login servlet.
The problem arises when you have a page filled with mixed components: protected and not protected and you ared using Struts and want to validate users as soon as a protected ref is clicked: Struts tells you that cannot find j_security_check page!.
There's is only one way to enter this application: protecting everything from the beginning by "/*" and using BASIC of FORM j_security_check authentication.
This way everything works but there is no way to logout user and stay in the same page. You must have a previous login page to enter this site.
