title: Facebook application issue with callbackurl?
body: <p>In facebook application  i define </p>
  
  <pre><code>  Deauthorize Callback URL - http://www.domainname.com/3c/login/fblogin.xhtml
      Valid OAuth redirect URIs - http://www.domainname.com/3c/login/fblogin.xhtml
      -Site URL - http://www.domainname.com
  </code></pre>
  
  <p>now if someone access website like </p>
  
  <pre><code>http://domainname.com/3c
  </code></pre>
  
  <p>i am getting exception </p>
  
  <pre><code>Warning
  Given URL is not allowed by the Application configuration.: One or more of the given URLs is not allowed by the App's settings. It must match the Website URL or Canvas URL, or the domain must be a subdomain of one of the App's domains.
  </code></pre>
  
  <p>Any one know how to resolve this issue</p>