Passagem de Parametros por referencia em jsp

Front-end
#1

Bom dia Pessoal,

to com o seguinte problema,
Tenho um grid em uma pagina e nela tenho os botões de remover e alterar, porem no caso quando tento alterar,
os valores de chave são passados por referencia e estão vindo nulos.

http://localhost:1010/projeto/d03.jsp?em2&de184

Minha pagina com o grid

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<link rel="shortcut icon" href="resources/if.ico"> 
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>l</title>
<style type="text/css"> 
@import url(styles.css)
</style>
<link rel="stylesheet" href="style.css" type="text/css" media="screen, projection" />
<!--[if lte IE 6]><link rel="stylesheet" href="style_ie.css" type="text/css" media="screen, projection" /><![endif]-->      
    <script src="sliding/jquery.js" type="text/javascript"></script>
	<script src="sliding/general.js" type="text/javascript"></script>    

	<link href="windows8/Style/Interacao.css" rel="stylesheet" type="text/css" />
    <link href="windows8/Style/jq-metro.css" rel="stylesheet" type="text/css" />
    <script src="windows8/Style/jquery-1.7.2.min.js" type="text/javascript"></script>
    <script src="windows8/Script/jquery.metro-btn.js" type="text/javascript"></script>
    
    <script type="text/javascript"> $(document).ready(function () {  $("#metrobuttons").AddMetroSimpleButton('bt1', 'metro-vermelho', 'windows8/Style/Imagem/organization-64.png', 'Empresa', 'e01.jsp');  $("#metrobuttons").AddMetroSimpleButton('bt2', 'metro-roxo', 'windows8/Style/Imagem/factory-64.png', 'Departamento', 'd01.jsp'); });</script>
</head>
<body>

 <div id="paginatop">
 	<p align="left"><img src="resources/x.png" ></p>
 </div>
 <div id="paginatop2">
 	<a href="index.jsp"><img src="resources/logoff.png"></a>
 </div>
 
 <div id="menulateral">
  <div id="metrobuttons" class="metro-panel"></div>
  <div id="metrobuttons2" class="metro-panel"></div>
 </div>

 <div id="paginaconteudo"> 
  </br>
  </br>
  <ul id="iconbar"> <li><a href="d02.jsp"> <img src="sliding/sel.gif" alt=""> <span>Cadastrar Departamento</span></a> </li></ul><br><br><h2><font color="#F3F3F3"><strong>Cadastro de Departamento</strong></font></h2><table width="75%" border="0" cellpadding="0" cellspacing="1" bordercolor="#CCCCCC" bgcolor="#CCCCCC"><tr bgcolor="#708090" align="center"><td height="30" nowrap><h3><strong>&nbsp;Codigo&nbsp;</strong></h3></td><td height="50" nowrap><h3><strong>&nbsp;Departamento&nbsp;</strong></h3></td><td height="50" nowrap><h3><strong>&nbsp;&nbsp;Codigo Depto&nbsp;</strong></h3></td><td height="30" nowrap><h3><strong>&nbsp;&nbsp;</strong></h3></td><td height="30" nowrap><h3><strong>&nbsp;&nbsp;</strong></h3></td></tr><tr align="center" bgcolor="#F3F3F3" bordercolor="#CCCCCC"><td height="30" nowrap><font size ="2"><b>&nbsp;184&nbsp;</b></font></td><td height="30" nowrap><font size ="2"><b>&nbsp;COMPRAS&nbsp;</b></font></td><td height="30" nowrap><font size ="2"><b>&nbsp;2&nbsp;</b></font></td><td height="30" nowrap><font size ="2"><b>&nbsp;&nbsp;<a href="d03.jsp?em2&de184"><img src="resources/btn_alterar.png" name = "alterar"></a>&nbsp;&nbsp;</b></font></td><td height="30" nowrap><font size ="2"><b>&nbsp;&nbsp;<a href="d04.jsp?em2&de184"><img src="resources/excluir.png" name = "excluir"></a>&nbsp;&nbsp;</b></font></td></tr><tr align="center" bgcolor="#E1E1E1" bordercolor="#CCCCCC"><td height="30" nowrap><font size ="2"><b>&nbsp;167&nbsp;</b></font></td><td height="30" nowrap><font size ="2"><b>&nbsp;INFORMATICA&nbsp;</b></font></td><td height="30" nowrap><font size ="2"><b>&nbsp;1&nbsp;</b></font></td><td height="30" nowrap><font size ="2"><b>&nbsp;&nbsp;<a href="d03.jsp?em2&de167"><img src="resources/btn_alterar.png" name = "alterar"></a>&nbsp;&nbsp;</b></font></td><td height="30" nowrap><font size ="2"><b>&nbsp;&nbsp;<a href="d04.jsp?em2&de167"><img src="resources/excluir.png" name = "excluir"></a>&nbsp;&nbsp;</b></font></td></tr></table>  
 </div>
 
</body>
</html>

Pegando o parametros na pagina d03.jsp

//Parametros
 String           vCodEmp          = request.getParameter("em");
 String 	      vCodDep		   = request.getParameter("de"); 
 System.out.println(" COD. DEPTO  = " + vCodDep + " COD. EMPRESA : " + vCodEmp);

Alguem tem alguma ideia do porque do problema ?

#2

Consegui resolver.

Parece erro de principiante, rs.

<a href="d03.jsp?em2&de184">

Faltou o igual

<a href="d03.jsp?em=2&de=184">

Valeu galera.

#3