连接sqlserver 出错


Exception in thread "main" java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.
at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSConnection.<init>(Unknown Source)
at com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Source)
at com.microsoft.jdbc.base.BaseConnection.getNewImplConnection(Unknown Source)
at com.microsoft.jdbc.base.BaseConnection.open(Unknown Source)
at com.microsoft.jdbc.base.BaseDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:525)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at datatest.DataTest.main(DataTest.java:16)
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package datatest;
import java.sql.DriverManager;
import java.sql.*;
import java.sql.SQLException;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
import java.lang.*;
import javax.swing.JOptionPane;
public class DataTest {
public static void main(String [] args ) throws ClassNotFoundException, SQLException
{   JOptionPane.showInputDialog("start");
    Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
    JOptionPane.showInputDialog("connection+++");
 
final Connection con = DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=fabu;","sa" ,"");

Statement statement=con.createStatement();
ResultSet set=statement.executeQuery("select * from cg");

JOptionPane.showInputDialog("ok");
}}