Handling ViewExpiredException

1.  <error-page>
2.         <exception-type>javax.faces.application.ViewExpiredException</exception-type>
3.         <location>/faces/viewExpired.xhtml</location>
4.     </error-page>

Accessing another managed beans property

FacesContext facesContext = FacesContext.getCurrentInstance();
NeededBean neededBean
    = (NeededBean)facesContext.getApplication()
      .createValueBinding("#{neededBean}").getValue(facesContext);