Null Pointer Exception After calling Execute And Wait Interceptor

Hi , Iam beginner in Struts2, iam having query on Execute and wait Interceptor , my code flow is like this Login->Wait Interceptor->Menu/Fail.jsp I added Interceptor in Struts.xml Wait.jsp menudemo.jsp Fai

Beginner Query on Struts tiles

Hi , Iam new to struts,currently iam migrating existing app to struts2 Iam having 2 web application running in server I need to call 2nd web app in 1st currently iam using Iframes & frame sets , is there any other way do this? Is it possible to use Struts Tiles for this ? Kindly reply Thanks in ad