I made a JSP that is supposed to upload a file into a directory and it shows me an error when trying to connect:
Here you can see my codes:
If anyone can help me i would appriciate it. package src;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadBase;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.io.FilenameUtils;
public class Controller extends HttpServlet {
/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
String saveFile="c:\\uploaddir\\";
protected void processRequest(HttpServletRequest request,         HttpServletResponse response)
            throws ServletException, IOException
{
    String actiune="afiseaza";
    PrintWriter out=response.getWriter();
    if (request.getParameter("actiune")!=null)
    {
        actiune = request.getParameter("actiune");
    }
    if (actiune.equals("afiseaza"))
    {
        doAfiseaza(request, response);
    }
    if (actiune.equals("sterge"))
    {
        doDeleteFile(request, response);
    }
    try{
            boolean ismultipart=ServletFileUpload.isMultipartContent(request);
             if(!ismultipart)
             {
             }
             else
             {
                 FileItemFactory factory= new DiskFileItemFactory();
                 ServletFileUpload upload= new ServletFileUpload(factory);
                 List items=null;
                 try{
                     items=upload.parseRequest(request);
                 }catch(Exception e)
                 {
                 }
                 Iterator itr=items.iterator();
                 while(itr.hasNext())
                 {
                    FileItem item= (FileItem)itr.next();
                    if(item.isFormField())
                    {
                    }
                    else
                    {
                        String itemname=item.getName();
                        if((itemname==null)||itemname.equals(""))
                        {
                            continue;
                        }
                        String filename=FilenameUtils.getName(itemname);
                        File f=checkExist(filename);
                        item.write(f);
                    }
                 }
             }
        }catch(Exception e)
        {
        }
        finally{
        out.close();
            }
}
private void doDeleteFile(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
{
    String fName=URLDecoder.decode(request.getParameter("fis"));
    File f = new File("c:\\uploaddir\\"+fName);
    f.delete();
    doAfiseaza(request, response);
}
private void doAfiseaza(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
{
    String dir = "c:\\uploaddir";
    int er = 0;
    File[] lista = null;
    try
    {
        File f = new File(dir);
        lista = f.listFiles();
    }
    catch(Exception ex)
    {
        er=-1;
    }
    request.setAttribute("eroare", new Integer(er));
    request.setAttribute("lista", lista);
    RequestDispatcher rd = request.getRequestDispatcher("WEB-INF/lista.jsp");
    rd.forward(request, response);
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
 * Handles the HTTP <code>GET</code> method.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    processRequest(request, response);
}
/**
 * Handles the HTTP <code>POST</code> method.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    processRequest(request, response);
}
/**
 * Returns a short description of the servlet.
 *
 * @return a String containing servlet description
 */
@Override
public String getServletInfo() {
    return "Prima aplicatie";
}// </editor-fold>
private File checkExist(String fileName) {
    File f=new File(saveFile+"/"+fileName);
    if(f.exists())
    {
       StringBuffer sb=new StringBuffer(fileName);
       sb.insert(sb.lastIndexOf("."), "-"+new Date().getTime());
       f=new File(saveFile+"/"+sb.toString());
    }
    return f;
}
}
so now i have no errors but it doesnt upload my folder so i dont know what to do.
 
    