This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
In your struts-config.xml file, create a forward (either global or local) for abc.jsp and in that forward specify redirect="true". Then, when you return this forward from the execute method of a Struts Action, the response.sendRedirect will be performed by Struts.