vaadin/src/main/java/net/typedrest/vaadin/views/ActionView.java
public void trigger() {
        try {
            onTrigger();
            Notification.show(getCaption(), "Successful.", Notification.Type.TRAY_NOTIFICATION);
        } catch (IOException | IllegalArgumentException | IllegalAccessException | IllegalStateException ex) {
            onError(ex);
        }
    }
public void trigger() {
        try {
            onTrigger();
            Notification.show(getCaption(), "Successful.", Notification.Type.TRAY_NOTIFICATION);
        } catch (IOException | IllegalArgumentException | IllegalAccessException | IllegalStateException ex) {
            onError(ex);
        }
    }
Triggers the action.