gistfile1.java

@WebServlet(name = "Principal", urlPatterns = {"/Principal"})
public class Principal extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String user = request.getParameter("user");
        String pass = request.getParameter("pass");
        String ip = request.getParameter("ip");

        PrincipalDAO principalDAO = new PrincipalDAO();
        // ArrayList<String[]> resultArr = principalDAO.Connect(user, pass, ip);

        // Testing
        ArrayList<String[]> resultArr = new ArrayList<String[]>();
        String[] a = {"SCMPRB013MDE", "poweredOn", "running", "Microsoft Windows Server 2003 (32-bit)", "172.26.1.29", "SCMPRB013MDE.ads.loc", "2", "2", "1", "Colcafe_MES",};
        String[] b = {"SCMADS023MDE", "poweredOn", "notRunning", "Microsoft Windows Server 2008 R2 (64-bit)", "null", "null", "4", "1", "1", "Infraestructura_1",};
        String[] c = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10",};
        resultArr.add(a);
        resultArr.add(b);
        resultArr.add(c);

        PrintWriter pout = response.getWriter();
        pout.print("<h1>I´ve found: " + resultArr.size() + " Virtual Machines</h1>");
        pout.print("<table border='1' style=''><tr>");
        pout.print("<th>#</th>");
        pout.print("<th>Virtual Machine Name:</th>");
        pout.print("<th>Status:</th>");
        pout.print("<th>VMWare Tools State:</th>");
        pout.print("<th>Operating System</th>");
        pout.print("<th>IP Address:</th>");
        pout.print("<th>Host:</th>");
        pout.print("<th>Memory in GB:</th>");
        pout.print("<th>Number of Cores:</th>");
        pout.print("<th>Number of Data Stores:</th>");
        pout.print("<th>Number</th>");
        pout.print("</tr>");

        for (int i = 0; i < resultArr.size(); i++) {
            pout.print("<tr>");
            pout.print("<td>" + (i + 1) + "</td>");
            for (int j = 0; j < 10; j++) {
                pout.print("<td>" + resultArr.get(i)[j] + "</td>");
            }
            pout.print("</tr>");
        }
        pout.print("</table>");

        pout.close();
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
    }
}

change this
pout.print("" + resultArr.get(i)[0] + "");
pout.print("" + resultArr.get(i)[1] + "");
pout.print("" + resultArr.get(i)[2] + "");
pout.print("" + resultArr.get(i)[3] + "");
pout.print("" + resultArr.get(i)[4] + "");
pout.print("" + resultArr.get(i)[5] + "");
pout.print("" + resultArr.get(i)[6] + "");
pout.print("" + resultArr.get(i)[7] + "");
pout.print("" + resultArr.get(i)[8] + "");
pout.print("" + resultArr.get(i)[9] + "");

to this
for(int j = 0; j < resultArr.lenght; j++){
pout.print("" + resultArr.get(i)[j] + "");
}

resultArr.get(i).length