Please help me out.

[Rohit Malhotra]

Hi,

I am posting this question again because it hasnot be answered yet. Please help meout.

i am writing an application whcih allows Users to upload Fils onto the BEA Weblogic Server

My JSP is something like this

<form name="uploadForm" method="post" action="upload" enctype="multipart/form-data" onSubmit="return validate()">
<input type="submit" value="Update" name="Option">
<input type="submit" value="Upload" name="Option">
<input type="submit" value="Search" name="Option">
<input type="submit" value="Checkin" name="Option">
<input type="submit" value="Checkout" name="Option">
<input type="submit" value="Delete" name="Option"><br><br>
<input type="file" name="fileName"><br>
<input type="text" name="checkout"><br>
<input type="submit" value="CheckoutDirectory"><br>


And the Servlet that uploads file is :-

package userTasks;
import user.UserFiles;
import javax.servlet.http.*;
import javax.servlet.*;
import java.io.*;
import java.util.*;
import java.text.*;
import org.apache.commons.fileupload.*;
public class UploadServlet extends HttpServlet{
 
 ServletContext m_application = null;
 
public void init(ServletConfig p_config) throws ServletException
{
super.init();
m_application = p_config.getServletContext();
}
 
 
 
public void doGet(HttpServletRequest p_request, HttpServletResponse response) throws ServletException,IOException
 {
 
  doPost(p_request,response);
 
 }
 
 
 public void doPost(HttpServletRequest p_request, HttpServletResponse p_response) throws ServletException, IOException
 {
   try
   {
 //ServletConfig p_config = p_request.getServletConfig();
// m_application = p_config.getServletContext();
 System.out.println(m_application);
     System.out.println("Inside the do post");
     String l_displayMessage = null;
     String l_option ,l_userId= null;
     HashMap l_requestparams = new HashMap();
     FileItem l_uploadFile = null;
     //RequestDispatcher l_dispatcher = null;
     HttpSession l_session = p_request.getSession();
     l_userId = (String)l_session.getAttribute("Userid");
     System.out.println(l_userId);
    boolean l_isMultipart = FileUpload.isMultipartContent(p_request);
     if(l_isMultipart)
     {
           DiskFileUpload l_fu = new DiskFileUpload();
       List l_fileItems = l_fu.parseRequest(p_request);
       Iterator l_itr = l_fileItems.iterator();
             while(l_itr.hasNext())
 {
 FileItem l_fi = (FileItem)l_itr.next();
 if(l_fi.isFormField())
 {
 String l_name = l_fi.getFieldName();
         String l_value = l_fi.getString();
                    l_requestparams.put(l_name,l_value);
      }
      else
      {
System.out.println("Upload File found");
System.out.println(l_fi.getName() + " " + l_fi.getSize());
                    l_uploadFile = l_fi;
       }
            }
     }
      l_option = (String)l_requestparams.get("Option");
 
     if("Upload".equals(l_option))
     {
System.out.println("before Call");
        upLoadFile(l_uploadFile,l_userId);
        System.out.println("Successful Return 2");
        RequestDispatcher l_dispatcher = p_request.getRequestDispatcher("Display.jsp");
        l_dispatcher.forward(p_request,p_response);
        System.out.println("Sucessful Retunr 3");
     }else if (("Checkout").equals(l_option))
     {
        System.out.println();
        String l_directory = (String)l_requestparams.get("checkout");
        String l_filename = (String)l_requestparams.get("FileName");
        checkoutFile(l_directory,l_filename,l_userId);
        RequestDispatcher d_dispatcher = p_request.getRequestDispatcher("Display.jsp");
        System.out.println("Dispatcher object" + d_dispatcher);
        if(d_dispatcher == null)
         System.out.println("Dispatcher null being found");
        else
         d_dispatcher.forward(p_request,p_response);
 
        //p_response.sendRedirect("UserTask.jsp");
     }
 
 
   }catch(ServletException er)
   {
er.printStackTrace();
   }catch(FileUploadException er)
   {
er.printStackTrace();
 
   }catch(IOException er)
   {
  er.printStackTrace();
   }catch(Exception er)
   {
   er.printStackTrace();
   }
}
 public void upLoadFile(FileItem p_uploadFile,String p_userId) throws ServletException , IOException,
  FileUploadException
 {
            ArrayList filelist = (ArrayList)m_application.getAttribute("FileList");
            m_application.removeAttribute("FileList");
            System.out.println("\nNAME: "+p_uploadFile.getName());
            System.out.println("SIZE: "+p_uploadFile.getSize());
            //System.out.println(fi.getOutputStream().toString());
 
            Date dd = new Date();
        SimpleDateFormat df= new SimpleDateFormat("M-d-y");
        String date = df.format(dd);
        String filename = p_uploadFile.getName();
            String absolutefilename = filename.substring(filename.lastIndexOf("\\") + 1);
 
            UserFiles userfile = new UserFiles();
            userfile.setOwner(p_userId);
            //userfile.setsetPrivilege(privilege);
            userfile.setUploadDate(date);
            userfile.setFile(p_uploadFile);
            userfile.setFilename(absolutefilename);
 
 
            filelist.add(userfile);
            userfile = null;
            m_application.setAttribute("FileList",filelist);
            System.out.println("Successul Return");
 
 
 }
 
 public void checkoutFile(String p_directory,String p_filename,String p_userId) //throws ServletException, IOException
 {
            ArrayList filelist = (ArrayList)m_application.getAttribute("FileList");
            m_application.removeAttribute("FileList");
            UserFiles checkoutfile = null;
            Iterator l_iterator = filelist.iterator();
            int l_index =0;
            while(l_iterator.hasNext())
            {
              checkoutfile = (UserFiles)l_iterator.next();
              String l_filename = checkoutfile.getFileName();
              System.out.println(l_filename);
              if(l_filename.equals(p_filename))
              {
     System.out.println("Check out file found in the List");
     break;
   }
              l_index++;
     }
     System.out.println(" File foudn at index " +l_index);
    checkoutfile = (UserFiles)filelist.remove(l_index);
    System.out.println(checkoutfile.getFileName());
Date l_dd = new Date();
SimpleDateFormat l_df= new SimpleDateFormat("M-d-y");
    String date = l_df.format(l_dd);
    checkoutfile.setCheckedOutBy(p_userId);
    checkoutfile.setStatus('Y');
    filelist.add(checkoutfile);
    System.out.println("Successul Return");
 
 }
 
 public void checkinFile()// throws ServletException, IOException
 {
 
 }
 
 public void deleteFile() //throws ServletException, IOException
 {
 
 }
}

The problem i am facing here is that What do i use to transfer control from servlet to the JSP to allow more files for upload. If i use RequestDispatcher it fails when i try to checkout the File. If i use Response.sendRedirect("UserTask.jsp"); it fails with java.net.SocketException. I am using BEA Weblogic Server. Please help me out.

[Edit by Dave - code tags added]
[ March 02, 2006: Message edited by: David O'Meara ]

[David O'Meara]

It fails with a SocketException, but you haven't told us if there is any other information with the exception.

How large are the files you are uploading? If they are large, have you tested with smaller ones?

[Bear Bibeault]

Please do not post the same question more than once. If you want more answers, you can clarify your question in the original post. If you feel you have posted in the wrong forum, ask a sheriff or bartender to move it for you. But please do not cross-post. It wastes everyone's time when multiple redundant conversations take place.
[ March 02, 2006: Message edited by: Bear Bibeault ]