http://localhost:8080/WEB-INF/view/registration.jsp

<a type="button" name="SingUp" class="btn btn-primary"   href="/WEB-INF/view/registration.jsp" >Registration</a>

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
         http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">
</web-app>