[RESOLVIDO] HTTP Status 400 - Invalid direct reference to form login page utilizando JAAS

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
  <display-name>CertificadoDigital-web</display-name>
  
   <context-param>
    <description>State saving method: 'client' or 'server' (=default). See JSF Specification 2.5.2</description>
    <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
    <param-value>client</param-value>
  </context-param>
  
  <context-param>   
    <param-name>javax.faces.PARTIAL_STATE_SAVING</param-name>
    <param-value>true</param-value>
  </context-param>
  
   <welcome-file-list>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>
  
  <session-config>
    <session-timeout>-1</session-timeout>
  </session-config>
  <servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>*.xhtml</url-pattern>
    <url-pattern>*.jsp</url-pattern>
  </servlet-mapping>
  <context-param>  
    <param-name>primefaces.THEME</param-name>  
    <param-value>cruze</param-value>  
</context-param> 

    <security-constraint>
        <web-resource-collection>
            <web-resource-name>Users</web-resource-name>
            <url-pattern>/pages/private/*</url-pattern>
        </web-resource-collection>
        <auth-constraint>
            <role-name>USER</role-name>
        </auth-constraint>
    </security-constraint> 
    <login-config>
        <auth-method>FORM</auth-method>
        <form-login-config>        
            <form-login-page>/pages/public/login.xhtml</form-login-page>
            <form-error-page>/pages/public/loginError.xhtml</form-error-page>
        </form-login-config>
    </login-config> 
    <security-role>
        <role-name>USER</role-name>
    </security-role>    
 
    <filter>
        <filter-name>LoginFilter</filter-name>
        <filter-class>br.com.certificado.filter.LoginFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>LoginFilter</filter-name>
        <url-pattern>/pages/private/*</url-pattern>
    </filter-mapping>   

	<filter>  
	    <filter-name>PrimeFaces FileUpload Filter</filter-name>  
	    <filter-class>org.primefaces.webapp.filter.FileUploadFilter</filter-class>  
	</filter>  
	<filter-mapping>  
	    <filter-name>PrimeFaces FileUpload Filter</filter-name>  
	    <servlet-name>Faces Servlet</servlet-name>  
	</filter-mapping>    
</web-app>

<?xml version="1.0" encoding="UTF-8"?>
<jboss-web>
    <!-- Links with JBoss the Realm to use -->
    <security-domain>java:/jaas/LoginCertRealm</security-domain>
</jboss-web>

<application-policy name="LoginCertRealm">
		<authentication>
			<login-module code="org.jboss.security.auth.spi.DatabaseServerLoginModule" flag="required">
				<module-option name="dsJndiName">java:/LoginCertDS</module-option>
				<module-option name="principalsQuery">select password from profile where username=?</module-option>
				<module-option name="rolesQuery">select rolename, 'Roles' from user_roles where username=?</module-option>
			</login-module>
		</authentication>
	</application-policy>

<datasources>
  <local-tx-datasource>
    <jndi-name>LoginCertDS</jndi-name>
    <connection-url>jdbc:mysql://localhost:3306/ejbca</connection-url>
    <driver-class>com.mysql.jdbc.Driver</driver-class>	
	<driver>mysql-connector-java-5.1.15.jar</driver>
    <user-name>root</user-name>
    <password>root</password> 
    <metadata>
       <type-mapping>mySQL</type-mapping>
    </metadata>
  </local-tx-datasource>
</datasources>

2013-04-24 16:48:17,989 DEBUG [org.apache.catalina.connector.CoyoteAdapter] (http-127.0.2.1-8080-2)  Requested cookie session id is 286143D134D3DF30D754EE612317B3E9
2013-04-24 16:48:17,989 DEBUG [org.apache.catalina.authenticator.AuthenticatorBase] (http-127.0.2.1-8080-2) Security checking request POST /CertificadoDigital-web/pages/public/j_security_check
2013-04-24 16:48:17,989 DEBUG [org.apache.catalina.authenticator.FormAuthenticator] (http-127.0.2.1-8080-2) Authenticating username 'MPFontana'
2013-04-24 16:48:17,995 DEBUG [org.apache.catalina.authenticator.FormAuthenticator] (http-127.0.2.1-8080-2) Authentication of 'MPFontana' was successful
2013-04-24 16:48:17,995 DEBUG [org.apache.catalina.authenticator.FormAuthenticator] (http-127.0.2.1-8080-2) Redirecting to original 'null'
2013-04-24 16:48:17,996 DEBUG [org.apache.catalina.authenticator.AuthenticatorBase] (http-127.0.2.1-8080-2)  Failed authenticate() test ??/CertificadoDigital-web/pages/public/j_security_check
2013-04-24 16:48:18,404 DEBUG [org.apache.catalina.session.ManagerBase] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) Start expire sessions StandardManager at 1366832898404 sessioncount 0
2013-04-24 16:48:18,404 DEBUG [org.apache.catalina.session.ManagerBase] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) End expire sessions StandardManager processingTime 0 expired sessions: 0
2013-04-24 16:48:18,404 DEBUG [org.apache.catalina.session.ManagerBase] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) Start expire sessions StandardManager at 1366832898404 sessioncount 0
2013-04-24 16:48:18,404 DEBUG [org.apache.catalina.session.ManagerBase] (ContainerBackgroundProcessor[StandardEngine[jboss.web]]) End expire sessions StandardManager processingTime 0 expired sessions: 0