Alert the user of an expiring session, or keep it alive
The SessionGuard shows a notification when the session is about to time out, and counts down the minutes of live session left. It can also keep the session alive with javascript. This keeps the session from dying for a visitor, but doesn't hinder the session to die after the browser session is closed.
Install
Framework Support
Vaadin 6.5+
Browser Compatibility
6
7
8
9
Install with
Release notes - Version 0.0.5
Applied patch from issue at https://github.com/wolfie/SessionGuard/issues/1