Nivel de Usuario não Redireciona

Front-end
#1

Veja bem criei niveis de acesso validando o acesso porem quando envio uma requisição ele não vai se alguem me ajudar obrigado
segue projeto completo com Banco

#2

Ja Que o War e o Sql Segue onde da erro

Admacesso.jsp

<%@page contentType="text/html" pageEncoding="windows-1252"%>

<%@include file="WEB-INF/jspf/Cabec.jspf"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html>
<head>
<title>xdocs</title>
<script type="text/javascript" language="JavaScript" src="js/webvalida.js"></script>
<style type="text/css">
<head>
<LINK REL="SHORTCUT ICON" href="logo.ico"> 
body { font: normal 62.5% verdana; }
 
ul.menubar{
  margin: 0px;
  padding: 0px;
  background-color: #FFFFFF; /* IE6 Bug */
  font-size: 100%;
}
 
ul.menubar .submenu{
  margin: 0px;
  padding: 0px;
  list-style: none;
  background-color: #FFFFFF;
  border: 1px solid #ccc;
  float:left;
}
 
ul.menubar ul.menu{
  display: none;
  position: absolute;
  margin: 0px;
}
 
ul.menubar a{
  padding: 5px;
  display:block;
  text-decoration: none;
  color: #777;
  padding: 5px;
}
 
ul.menu, ul.menu ul{
  margin: 0;
  padding: 0;
  border-bottom: 1px solid #ccc;
  width: 150px; /* Width of Menu Items */
  background-color: #FFFFFF; /* IE6 Bug */
}
 
ul.menu li{
  position: relative;
  list-style: none;
  border: 0px;
}
 
ul.menu li a{
  display: block;
  text-decoration: none;
  border: 1px solid #ccc;
  border-bottom: 0px;
  color: #777;
  padding: 5px 10px 5px 5px;
}
 
ul.menu li sup{
  font-weight:bold;
  font-size:7px;
  color: red;
}
 
/* Fix IE. Hide from IE Mac \*/
* html ul.menu li { float: left; height: 1%; }
* html ul.menu li a { height: 1%; }
/* End */
 
ul.menu ul{
  position: absolute;
  display: none;
  left: 149px; /* Set 1px less than menu width */
  top: 0px;
}
 
ul.menu li.submenu ul { display: none; } /* Hide sub-menus initially */
 
ul.menu li.submenu { background: transparent url(arrow.gif) right center no-repeat; }
 
ul.menu li a:hover { color: #E2144A; }
 
</style>

</head>
 
<h5><body onload="horizontal();">
 
<ul id="menu_dropdown" class="menubar">
   <li class="submenu"><a href="menu.jsp">Home</a></li>
   <li class="submenu"><a href="#">Cadastrar</a>
      <ul class="menu">
        <li><a href='/xdocs/servletweb?acao=ListarCliente'>Clientes</a></li>
        <li><a href='/xdocs/servletweb?acao=GravarAlteracaoCidade'>Estados</a></li>
        <li><a href='/xdocs/servletweb?acao=ListarCidade'>Cidades</a></li>
	<li><a href='/xdocs/servletweb?acao=ListarVeiculo'>Veiculos</a></li>
	<li><a href='/xdocs/servletweb?acao=ListarCategoria'>Categorias</a></li>
	<li><a href='/xdocs/servletweb?acao=ListarVeiculoCliente'>Veiculos Clientes</a></li>
	<li><a href='/xdocs/servletweb?acao=ListarMarca'>Marcas</a></li>
	<li><a href='/xdocs/servletweb?acao=ListarModelo'>Modelos</a></li>
      
         </ul>
   </li>
   <li class="submenu"><a href="#">RH</a>
      <ul class="menu">
        <li><a href='/xdocs/servletweb?acao=ListarUsuario'>Cadastro Funcionarios</a></li>
              </ul>
   </li>
   <li class="submenu"><a href="#">Administração do Sistema</a>
      <ul class="menu">
        <li><a href="#">Importar Arquivos</a></li>
	<li><a href="#">Exportar Arquivos</a></li>
           </ul>
   </li>
   <li class="submenu"><a href="#">Controle Operacional</a>
      <ul class="menu">
        <li><a href="#">Produção</a></li>
        <li><a href="#">Manutenção Supplies</a></li>
        <li><a href="#">Modelo e Soluções Tecnologicas</a></li>
              </ul>
   </li>
   <li class="submenu"><a href="#">Produção</a>
      <ul class="menu">
        <li><a href="#">Movimento no Estoque</a></li>
        <li><a href="#">Entrada de Volumes</a></li>
        <li><a href="#">Chamados Tecnicos</a></li>
	<li><a href="#">Requisição</a></li>
      </ul>
   </li>
   
   <li class="submenu"><a href="#">Outros</a>
      <ul class="menu">
        <li><a href="#">Controle de Cobertura</a></li>
    </ul>
   </li>
<li class="submenu"><a href="#">Espelho da Fatura</a></li>
     
   <li class="submenu"><a href="#">Relatórios</a>
      <ul class="menu">
        <li><a href="#">Produção</a></li>
        <li><a href="#">Manutenção</a></li>
        <li><a href="#">Supplies</a></li>
        <li><a href="#">Controle de Perdas</a></li>
         </ul>
   </li>
   <li class="submenu"><a href="#">Ajuda</a>
      <ul class="menu">
        <li><a href="#">Versão</a></li>
        <li><a href="#">Novidades da Versão</a></li>
        <li><a href="#">Contatos</a></li>
        <li><a href="#">Criar Reportes do sistema</a></li>
        <li><a href="/xdocs/FinalizarSessao">Sair</a></li>
    
      </ul>
   </li>
   </h5>
    </body>
    
</html>

Home.jsp

<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@ page language="java" import="java.util.*" %>
<%@taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="f"%> 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">

<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>Locadora xxx</title>
        <link rel="stylesheet" type="text/css" href="css/principal.css" />
        <script type="text/javascript" language="JavaScript" src="js/webvalida.js"></script>
        <META name="Revisit-after" content="15">
        
    </head>
    <body>
    <div id="principal">
    <div id="titulo">
    <h4><f:formatDate value="<%= new Date()%>" type="both" /></h4>
    </div>

    <h5>
    
    <form name="frmLogin" method='post'>
        <label>Usuário:
            <input type="text" name="login" id="login" maxlength="10" size="12">    
        </label><br />
                <br />
        <label>Senha:&nbsp;&nbsp;&nbsp;
            <input type="password" name="senha" id="senha" maxlength="10" size="12">    
        </label><br />
                <br />
                </h5>
        
        <button type="button" onclick="validarCamposLogin()">Acessar</button>        
         <button type="reset" value="Limpa dados">Apagar</button> 
    </form>  
    <div id="rodape">
    <h4> Designer: João Luiz Alves dos Anjos</h4>
    </div>
   
    </body>
</html>

/webvalida.js

function validarCamposLogin(){    
    var frm = document.frmLogin;
     var login = frm.login.value;
     var senha = frm.senha.value;
     
     if(login == ""){
        alert("Favor, preencha o campo usuario!");
        frm.login.focus();
        return false;
     }else if(senha == ""){
        alert("Favor, preencha o campo senha!");
        frm.senha.focus();
        return false;
     }else{
        caminhourl = "/xdocs/servletweb?acao=Logar";  
        document.forms[0].action = caminhourl;  
        window.document.forms[0].submit();
        return true;
     }      
 }

Servlet Login

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package controller;

/**
 *
 * @autho
 */

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import Dao.LoginDAO;
        
public class Login {
     
    @SuppressWarnings("static-access")
    public static String execute(HttpServletRequest request) {        
        
        String erro="";        
        String jsp="";        
        String Login = request.getParameter("login");
        String senha = request.getParameter("senha");
        
        Login usr = new Login();
      LoginDAO usrDAO = new LoginDAO();        
        try {
            usr = usrDAO.getUserLogin(Login, senha);
            if(usr == null){
                erro="Usuário não encontrado!";
                request.setAttribute("erro", erro);
                jsp = "/erro.jsp";
            }               
            else{
                request.getSession().setAttribute("nome", usrDAO);                
                jsp = "/AdmAcesso.jsp";
            }
            
        } catch (Exception e) {
            e.printStackTrace();
            jsp = "";
        }
        return jsp;        
     }
    
    public static void validarSessao(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
    	String nome = (String) request.getSession().getAttribute("nome");
        String jsp="";
        if(nome == null ){
            jsp = "/home.jsp";
             //Redirecionando pagina
            RequestDispatcher rd = request.getRequestDispatcher(jsp);
            rd.forward(request, response);
        }        
    }
}

Dao


package Dao;

/**
 *
 * @author 
 */

import java.sql.*;
import java.util.ArrayList;
import model.Login;

public class LoginDAO {
    private static PreparedStatement pstmt = null;
    private static ResultSet rs = null;
    
  
    public static controller.Login getUserLogin(String Login, String senha){
        try {
            Object user = null;
            
            pstmt = Conexao.getConnection().prepareStatement(
                    "Select * From tablogin Where Login=? AND Senha=? ");
            pstmt.setString(1, Login);
            pstmt.setString(2, senha);
            rs = pstmt.executeQuery();
            if(rs.next()){
                user = new Login();
                ((Login) user).setLogin(rs.getString("Login"));
                ((Login) user).setSenha(rs.getString("Senha"));
                ((Login) user).setNome(rs.getString("nome"));
                ((Login) user).setStatus(rs.getString("status"));
             
            }
            
            return (controller.Login) user;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }        
    }
            
    
    
}

model

package model;

/**
 *
 * @author 
 */
public class Login {
	
	
	private String login;
    private String senha;
    private String nome;
    private String status;
	
    public String getLogin() {
		return login;
	}
	public void setLogin(String login) {
		this.login = login;
	}
	public String getSenha() {
		return senha;
	}
	public void setSenha(String senha) {
		this.senha = senha;
	}
	public String getNome() {
		return nome;
	}
	public void setNome(String nome) {
		this.nome = nome;
	}
	public String getStatus() {
		return status;
	}
	public void setStatus(String status) {
		this.status = status;
	}
	

 
}

Servlet controle

package controller;

import java.io.*;
import java.net.*;

import javax.servlet.*;
import javax.servlet.http.*;

/**
 *
 * @author 
 * @version
 */

import Dao.Conexao;

public class ServletWeb extends HttpServlet {
    private ServletContext sc;
    private String jsp = "";
    
    public void init(ServletConfig config) throws ServletException {
        super.init(config);
        sc = config.getServletContext();
        Conexao.conectar(sc.getInitParameter("url"), sc.getInitParameter("usuario"),
                sc.getInitParameter("senha"), sc.getInitParameter("driver"));
    }
    
    
    /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void service(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        String acao = request.getParameter("acao");
        
        if(acao.equals("Logar"))            
            jsp = Login.execute(request);
        else if (acao.equals("ListarEstados"))
            jsp = ListarEstados.execute(request);
        else if (acao.equals("AlterarEstado"))
            jsp = AlterarEstado.execute(request);
        else if (acao.equals("GravarAlteracaoEstado"))
            jsp = GravarAlteracaoEstado.execute(request);
        else if (acao.equals("GravarInsercaoEstado"))
            jsp = GravarInsercaoEstado.execute(request);
        else if (acao.equals("ExcluirEstado"))
            jsp = ExcluirEstado.execute(request);
        else if (acao.equals("ListarCidade"))
            jsp = ListarCidade.execute(request);
        else if (acao.equals("InserirCidade"))
            jsp = InserirCidade.execute(request);
        else if (acao.equals("AlterarCidade"))
            jsp = AlterarCidade.execute(request);
        else if (acao.equals("GravarAlteracaoCidade"))
            jsp = GravarAlteracaoCidade.execute(request);
        else if (acao.equals("GravarInsercaoCidade"))
            jsp = GravarInsercaoCidade.execute(request);
        else if (acao.equals("ExcluirCidade"))
            jsp = ExcluirCidade.execute(request);
        else if (acao.equals("ListarCliente"))
            jsp = ListarCliente.execute(request);
        else if (acao.equals("InserirCliente"))
            jsp = InserirCliente.execute(request);
        else if (acao.equals("AlterarCliente"))
            jsp = AlterarCliente.execute(request);
        else if (acao.equals("GravarAlteracaoCliente"))
            jsp = GravarAlteracaoCliente.execute(request);
        else if (acao.equals("GravarInsercaoCliente"))
            jsp = GravarInsercaoCliente.execute(request);
        else if (acao.equals("ExcluirCliente"))
            jsp = ExcluirCliente.execute(request);
        else if (acao.equals("ListarVeiculo"))
            jsp = ListarVeiculo.execute(request);
        else if (acao.equals("InserirVeiculo"))
            jsp = InserirVeiculo.execute(request);
        else if (acao.equals("AlterarVeiculo"))
            jsp = AlterarVeiculo.execute(request);
        else if (acao.equals("GravarAlteracaoVeiculo"))
            jsp = GravarAlteracaoVeiculo.execute(request);
        else if (acao.equals("GravarInsercaoVeiculo"))
            jsp = GravarInsercaoVeiculo.execute(request);
        else if (acao.equals("ExcluirVeiculo"))
            jsp = ExcluirVeiculo.execute(request);
        else if (acao.equals("ListarModelo"))
            jsp = ListarModelo.execute(request);
        else if (acao.equals("AlterarModelo"))
            jsp = AlterarModelo.execute(request);
        else if (acao.equals("GravarAlteracaoModelo"))
            jsp = GravarAlteracaoModelo.execute(request);
        else if (acao.equals("GravarInsercaoModelo"))
            jsp = GravarInsercaoModelo.execute(request);
        else if (acao.equals("ExcluirModelo"))
            jsp = ExcluirModelo.execute(request);
        else if (acao.equals("ListarMarca"))
            jsp = ListarMarca.execute(request);
        else if (acao.equals("AlterarMarca"))
            jsp = AlterarMarca.execute(request);
        else if (acao.equals("GravarAlteracaoMarca"))
            jsp = GravarAlteracaoMarca.execute(request);
        else if (acao.equals("GravarInsercaoMarca"))
            jsp = GravarInsercaoMarca.execute(request);
        else if (acao.equals("ExcluirMarca"))
            jsp = ExcluirMarca.execute(request);
        else if (acao.equals("ListarCategoria"))
            jsp = ListarCategoria.execute(request);
        else if (acao.equals("AlterarCategoria"))
            jsp = AlterarCategoria.execute(request);
        else if (acao.equals("GravarAlteracaoCategoria"))
            jsp = GravarAlteracaoCategoria.execute(request);
        else if (acao.equals("GravarInsercaoCategoria"))
            jsp = GravarInsercaoCategoria.execute(request);
        else if (acao.equals("ExcluirCategoria"))
            jsp = ExcluirCategoria.execute(request);
        else if (acao.equals("ListarUsuario"))
            jsp = ListarUsuario.execute(request);
        else if (acao.equals("AlterarUsuario"))
            jsp = AlterarUsuario.execute(request);
        else if (acao.equals("GravarAlteracaoUsuario"))
            jsp = GravarAlteracaoUsuario.execute(request);
        else if (acao.equals("GravarInsercaoUsuario"))
            jsp = GravarInsercaoUsuario.execute(request);
        else if (acao.equals("ExcluirUsuario"))
            jsp = ExcluirUsuario.execute(request);
        else if (acao.equals("ListarVeiculoCliente"))
            jsp = ListarVeiculoCliente.execute(request);
        else if (acao.equals("InserirVeiculoCliente"))
            jsp = InserirVeiculoCliente.execute(request);
        else if (acao.equals("AlterarVeiculoCliente"))
            jsp = AlterarVeiculoCliente.execute(request);
        else if (acao.equals("GravarAlteracaoVeiculoCliente"))
            jsp = GravarAlteracaoVeiculoCliente.execute(request);
        else if (acao.equals("GravarInsercaoVeiculoCliente"))
            jsp = GravarInsercaoVeiculoCliente.execute(request);
        else if (acao.equals("ExcluirVeiculoCliente"))
            jsp = ExcluirVeiculoCliente.execute(request);
        //
        //Redirecionando pagina
        RequestDispatcher rd = request.getRequestDispatcher(jsp);
        rd.forward(request, response);
    }
    
    public void destroy() {
        Conexao.destroy();
    }
}

Conexao

package Dao;

/**
 *
 * @author 
 */

import java.sql.*;

public class Conexao {
    private static Connection conn;
    
    public static void conectar(String url, String usuario, String senha, String driver) {
        try {
            Class.forName(driver);
            conn = DriverManager.getConnection(url, usuario, senha);
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public static Connection getConnection() {
        return conn;
    }
    
    public static void destroy() {
        try {
            conn = null;
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public static int getAutoInc(String Generator) {
        int Codigo = 0;
        try {
            PreparedStatement pstmt = conn.prepareStatement(
                    "Select Gen_ID("+Generator+",1) From RDB$Database");
            //pstmt.setString(1, Generator);
            ResultSet rs = pstmt.executeQuery();
            rs.next();
            Codigo = rs.getInt(1);
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        return Codigo;
    }
}

XML

<?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">
  <context-param>
    <param-name>url</param-name>
    <param-value>jdbc:postgresql://localhost:5432/gerdocs</param-value>
  </context-param>
  <context-param>
    <param-name>usuario</param-name>
    <param-value>postgres</param-value>
  </context-param>
  <context-param>
    <param-name>senha</param-name>
    <param-value>admin</param-value>
  </context-param>
  <context-param>
    <param-name>driver</param-name>
    <param-value>org.postgresql.Driver</param-value>
  </context-param>
  <servlet>
    <servlet-name>ServletWeb</servlet-name>
    <servlet-class>controller.ServletWeb</servlet-class>
  </servlet>
  <servlet>
    <servlet-name>Login</servlet-name>
    <servlet-class>controller.Login</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>ServletWeb</servlet-name>
    <url-pattern>/servletweb</url-pattern>
  </servlet-mapping>
  <servlet-mapping>
    <servlet-name>Login</servlet-name>
    <url-pattern>/login</url-pattern>
  </servlet-mapping>
  <session-config>
    <session-timeout>30</session-timeout>
  </session-config>
  <welcome-file-list>
    <welcome-file>home.jsp</welcome-file>
  </welcome-file-list>
</web-app>
#3