eclipse 与sqlserver2005Expreee不能连接上,我加载了sqljdbc但还是没用;
错误信息如下:
Exception in thread "main" com.microsoft.sqlserver.jdbc.SQLServerException: 到主机  的 TCP/IP 连接失败。 java.net.ConnectException: Connection refused: connect
    at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(Unknown Source)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(Unknown Source)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.loginWithoutFailover(Unknown Source)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(Unknown Source)
    at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at sqlserveraccess.main(sqlserveraccess.java:10)
//源程序(测试)
import java.sql.*;
public class sqlserveraccess {

    /**
     * @param args
     */
    public static void main(String[] args) throws Exception{
        // TODO Auto-generated method stub
        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
        Connection con=DriverManager.getConnection("jdbc:sqlserver://localhost/master:1433;DatabaseName=StuInfo","sa","1234");
    }
}
//请大家帮帮忙啊