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.
Sarada you should be patient, bumping a topic after one and a half hour is not considered good. You should wait more than that for a reply.
[Edit: didn't see the attachment before]
Can you show us your struts.xml file and the location where your login.jsp page is. Also isn't the name of the validation file supposed to be LoginAction-validation.xml ??