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.
I deployed the application using Tomcat. By clicking tomcat manager I locate my application and access the application. Then I can see the index.jsp page. When I was using a wrong username or password I got the "error.jsp" but when I was using the correct one it ends up giving the above error.