ho la seguente pagina jsp:

codice:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>

<%@ page language="java"  import="java.sql.*" %>

<!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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>

    <jsp:useBean id="utente" scope="session" class="mucca.InfoUtente" >
	</jsp:useBean>
	
	<%= utente.getNome() %>

	<%
		
		
	
        Class.forName("com.mysql.jdbc.Driver").newInstance()  ;  	// Imposta la connessione al server e al database
    	Connection connect = DriverManager.getConnection("jdbc:mysql://localhost/java_db","root",""); // N.B. la password vuota si scrive password=
        	
    	
	
	%>
	Torna a index
</body>
</html>
Tomcat dice che c'è un problema alla riga :
codice:
 
DriverManager.getConnection("jdbc:mysql://localhost/java_db","root","");