connect java with sql sever2005

 import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.util.*;
import java.text.*;
import java.sql.*;

public class clientFailover {

   public static void main(String[] args) {

      // Create a variable for the connection string.
     String connectionUrl = "jdbc:sqlserver://SQLEXPRESS:1433;" +
        "databaseName=SchPlan;integratedSecurity=true;" ;

      // Declare the JDBC objects.
      Connection con = null;
      Statement stmt = null;

      try {
         // Establish the connection to the principal server.

        con = DriverManager.getConnection(connectionUrl);
     //  con = DriverManager.getConnection("jdbc:odbc:SchPlan");
         System.out.println("Connected to the principal server.");

         // Note that if a failover of serverA occurs here, then an
         // exception will be thrown and the failover partner will
         // be used in the first catch block below.

         // Create and execute an SQL statement that inserts some data.
      //   stmt = con.createStatement();

         // Note that the following statement assumes that the
         // TestTable table has been created in the AdventureWorks
         // sample database.
      //   stmt.executeUpdate("INSERT INTO TestTable (Col2, Col3) VALUES ('a', 10)");
      }

      // Handle any errors that may have occurred.
      catch (SQLException se) {
         try {
            // The connection to the principal server failed,
            // try the mirror server which may now be the new
            // principal server.
            System.out.println("Connection to principal server failed, " +
            "trying the mirror server.");
         // con = DriverManager.getConnection("jdbc:odbc:SchPlan");
            System.out.println("Connected to the new principal server.");
           // stmt = con.createStatement();
           // stmt.executeUpdate("INSERT INTO TestTable (Col2, Col3) VALUES ('a', 10)");
         }
         catch (Exception e) {
            e.printStackTrace();
         }
      }
      catch (Exception e) {
         e.printStackTrace();
      }
      // Close the JDBC objects.
      finally {
         if (stmt != null) try { stmt.close(); } catch(Exception e) {}
         if (con != null) try { con.close(); } catch(Exception e) {}
      }
   }
}