How to display Page expire popup to the user in an ADF application

This blog explains about how to configure web.xml in order to display warning message to user just before session expires, so that user can make the session alive by clicking on 'Ok' button.

Configure below element in web.xml, this will show 'Session Expire' warning popup
If you don't want to display any session expire popup message, then set the value to '-1'
<context-param>
    <param-name>oracle.adf.view.rich.sessionHandling.WARNING_BEFORE_TIMEOUT</param-name>
    <param-value>10</param-value>
  </context-param>