Avoid back button using vaadin
<p>I develop RIA application using Vaadin CDI addon. 
About the app : it has two views(viewA and viewB) which maintained by Navigator.
User story is pretty simple: </p>

<ol>
<li>User enters viewA</li>
<li>Perform some business stuff</li>
<li>Redirects to viewB</li>
<li>Using address bar to go some external website(ex. google.com)</li>
<li>Press back and it goes to he lastest page what he saw(viewB), instead of viewA</li>
</ol>

<p>Any suggestions/tips-n-tricks how to avoid redirecting to viewB, but redirect to viewA?</p>

<p>Vaadin Forum quiet about this thing.</p>

<p>Thank you</p>