имя моего экземпляра сервера sql - MYPC \ SQLEXPRESS, и яя пытаюсь создать строку подключения jTDS для подключения к базе данныхБлог», Кто-нибудь может помочь мне в этом?

Я пытаюсь сделать так:

DriverManager.getConnection("jdbc:jtds:sqlserver://127.0.0.1:1433/Blog", "user", "password");

и я получаю это:

 java.sql.SQLException: Network error IOException: Connection refused: connect
    at net.sourceforge.jtds.jdbc.ConnectionJDBC2.(ConnectionJDBC2.java:395)
    at net.sourceforge.jtds.jdbc.ConnectionJDBC3.(ConnectionJDBC3.java:50)
    at net.sourceforge.jtds.jdbc.Driver.connect(Driver.java:184)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at SqlConnection.Connect(SqlConnection.java:19)
    at main.main(main.java:11)
Caused by: java.net.ConnectException: Connection refused: connect
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.PlainSocketImpl.doConnect(Unknown Source)
    at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
    at java.net.PlainSocketImpl.connect(Unknown Source)
    at java.net.SocksSocketImpl.connect(Unknown Source)
    at java.net.Socket.connect(Unknown Source)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at net.sourceforge.jtds.jdbc.SharedSocket.createSocketForJDBC3(SharedSocket.java:305)
    at net.sourceforge.jtds.jdbc.SharedSocket.(SharedSocket.java:255)
    at net.sourceforge.jtds.jdbc.ConnectionJDBC2.(ConnectionJDBC2.java:323)
    ... 6 more