grazie mille...
vedendo un'altro esempio ho risolto così come va???



import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class DesignPageServlet extends HttpServlet
{

//Initialize global variables
public void init(ServletConfig config) throws ServletException
{
super.init(config);
}

//Process the HTTP Post request
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
String sBKCOLOR = request.getParameter("BKCOLOR");
String sTITLE = request.getParameter("TITLE");
String sMESSAGE = request.getParameter("MESSAGE");

response.setContentType("text/html");
PrintWriter out = new PrintWriter (response.getOutputStream());
out.println("<html>");
out.println("<head><title>" + sTITLE + "</title></head>");
out.println("<body bgColor=" + sBKCOLOR + ">");
out.println("<h1>" + sTITLE + "</h1>");
out.println("

" + sMESSAGE);
out.println("</body></html>");
out.close();
}

/* tratto ugualmente i due metodi GET e POST..... */

public void doPost(HttpServletRequest request,HttpServletResponse response)
throws ServletException, IOException
{
doGet(request, response);
} // end doPost(...)

}


dovrebbe andare bene no??
o almeno nn dà errore.
Ciao GIuseppe