Archivo .htpasswd en Tomcat

[Cehdhe]

Les comento como le hice para proteger mi carpeta.
El archivo web.xml lo encontré en la carpeta WEB-INF, en ese archivo coloque el siguiente código:

Código XML:

<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5">
  <description>Servlet and JSP Examples.</description> 
  <display-name>Servlet and JSP Examples</display-name>
<security-constraint>
  <display-name>Security Constraint para Validar</display-name> 
 <web-resource-collection>
  <web-resource-name>Protected Area</web-resource-name> 
 <!--  Define the context-relative URL(s) to be protected --> 
  <url-pattern>/jsp/validar/*</url-pattern> 
 <!--  If you list http methods, only those methods are protected --> 
  <http-method>DELETE</http-method> 
  <http-method>GET</http-method> 
  <http-method>POST</http-method> 
  <http-method>PUT</http-method> 
  </web-resource-collection>
 <auth-constraint>
 <!--  Anyone with one of the listed roles may access this area --> 
  <role-name>tomcat</role-name> 
  <role-name>EsteRoleNombre</role-name> 
  </auth-constraint>
</security-constraint>
<!--  Default login configuration uses form-based authentication --> 
 <login-config>
  <auth-method>FORM</auth-method> 
  <realm-name>Example Form-Based Authentication Area</realm-name> 
 <form-login-config>
 <form-login-page>/jsp/validar/login.jsp</form-login-page> 
  <form-error-page>/jsp/validar/error.jsp</form-error-page> 
  </form-login-config>
</login-config>
</web-app>
 

Utilice como plantilla el ejemplo que esta en: examples\jsp\security\protected