Query problems from Tomcat servlets to MSSQL Server Express 2012
static {
    try {
        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
}

private final static String host = "ip-address:1433";
private final static String database = "databasename";
private final static String user = "user";
private final static String passwd = "password";

public static void main(String[] args) {
    try {
        String connectionUrl = "jdbc:sqlserver://"+host+";database="+database+";integratedSecurity=true;";
        Connection con = DriverManager.getConnection(connectionUrl,user,passwd);
        PreparedStatement pstm = con.prepareStatement("select * from sektor");
        ResultSet res = pstm.executeQuery();
        while(res.next())
            System.out.println("Sektor: " +res.getString("sektornavn"));
    } catch (SQLException e) {
        System.out.println(e.getMessage());
    }
}

static {
    try {
        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
}

private final static String host = "ip-address:1433";
private final static String database = "databasename";
private final static String user = "user";
private final static String passwd = "password";


@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setContentType("text/plain");
    resp.setCharacterEncoding("UTF-8");
    // Write response
    PrintWriter writer = resp.getWriter();
    try {
        String connectionUrl = "jdbc:sqlserver://"+host+";database="+database+";";
        writer.println("Connecting<br/>");
        Connection con = DriverManager.getConnection(connectionUrl,user,passwd);
        writer.println("Preparing statement<br/>");
        PreparedStatement pstm = con.prepareStatement("select * from sektor");
        writer.println("Executing statement<br/>");
        ResultSet res = pstm.executeQuery();
        while(res.next())
            writer.println("Sektor: " +res.getString("sektornavn")+"<br/>");
    } catch (SQLException e) {
        writer.println(e.getMessage());
    }
    writer.flush();
    writer.close();

}