Skype4JWorkaround.java

    private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
    private Skype skype;

    public void loadSkype() {
        scheduler.scheduleAtFixedRate(new Runnable() {
            @Override
            public void run() {
                try {
                    Skype oldSkype = skype; // get instance of old skype
                    Skype newSkype = Skype.login(username, password); // Set up new skype
                    System.out.println("Logged in with username " + username);
                    newSkype.getEventDispatcher().registerListener(new Listener() {
                        @EventHandler
                        public void onMessage(final MessageReceivedEvent e) {
                        }
                    });
                    newSkype.subscribe();

                    skype = newSkype; // reassign new skype to current skype
                    System.out.println("Reassigned new Skype");

                    if (oldSkype != null) {
                        try {
                            oldSkype.logout();
                            System.out.println("Logged out previous instance");
                        } catch (IOException ignored) {
                        }
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }, 0, 30, TimeUnit.MINUTES);
    }