package com.vaadin.tests.applicationservlet; import com.vaadin.server.VaadinRequest; import com.vaadin.tests.components.AbstractTestUIWithLog; public class SessionExpiration extends AbstractTestUIWithLog { @Override protected void setup(VaadinRequest request) { getSession().getSession().setMaxInactiveInterval(2); addButton("Click to avoid expiration", event -> log("Clicked")); } @Override protected String getTestDescription() { return "Test for what happens when the session expires (2 second expiration time)."; } @Override protected Integer getTicketNumber() { return 12139; } }