问关于jsp连接不上mysql数据库的问题

Question

<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %><%
Connection con1 =java.sql.DriverManager.getConnection("jdbc:mysql://10.0.0.136/popten","root","");
Statement stmt1=con1.createStatement();
String inserthaono="select * from admin";
ResultSet rs3=stmt1.executeQuery(inserthaono);
out.print(rs3.getString("name"));
rs3.close();
stmt1.close();
con1.close();
%>