title: Spring Authentication Look in other Sessions
body: <p>I know that I can getAllSessions for user with current active session, and I know I can getAllPrincipals that will show all users with active sessions. But I want to know if it is possible to getAllSessions for a specific user. So say I am userA with current active session and I want to getAllPrincipals and then choose one of the principals and then getAllSessions for that specific principal. Is this possible? If so how?</p>