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From bombay55 <smsha...@charter.net>
Subject FileUpload fails at parseRequest
Date Fri, 11 Apr 2008 04:03:06 GMT

Hi all, 

I am using FileUpload from apache.commons for the first time.  I am using
multipart/form-data with a servlet.   

I have tried everything exactly like the examples but for some reason, fail
at fileItems = upload.parseRequest(req) and get the FileUploadException.   

The classpath includes these jars: 
commons-fileupload-1.2.1.jar 
commons-io-1.4.jar 

The servlet includes the following imports: 
import org.apache.commons.fileupload.FileUploadException; 
import org.apache.commons.fileupload.FileItem; 
import org.apache.commons.fileupload.servlet.ServletFileUpload; 
import org.apache.commons.fileupload.disk.DiskFileItemFactory; 

My html and servlet code is attached.   

At the end of a failed run, my logs has the following messages: 
***Request is multipart 
****failed to load items from req   

<!-- <html> --> 
(javascript function) 
function doUpload(){ 
    ........ 
    document.uploadForm.target = "rightPanel"; 
    window.setTimeout('document.uploadForm.submit()',500); 
    ...... 
} 

<form name="uploadForm" action="/it0030/uploadDoc"
enctype="multipart/form-data" method="post"> 
<table border='0' cellspacing="0" cellpadding="2" width="100%"> 
        <tr> 
        <td align="left" width="40%"> 
        <p> 
        Please select a file with one of these file extension types: .doc,
.pdf, or .xls <br> 
              <input type="file" name="datafile" size=80> 
        </p> 
              <input type="radio" name="doctype" value="N" CHECKED>Pricing
News    
              <input type="radio" name="doctype" value="G">Pricing
Guidelines   

        <p>  <%uploadMsg%></p> 
              <input type="submit" name = "Submit" value="Upload Files"
onclick="doUpload();"> 
        </td> 
        </tr> 
</table> 
</form> 

//servlet code 
   public void doPost(HttpServletRequest req, HttpServletResponse res) 
              throws ServletException, IOException{ 

        if (! Util.ckSession(req)) 
        { 
            res.sendRedirect("common/session_timeout.htm"); 
        }               
        
        if(isMultiPart(req)) { 
        log.debug("***Request is multipart"); 
        } 
        
        DiskFileItemFactory factory = new DiskFileItemFactory(); 
        factory.setSizeThreshold(4096); 
        factory.setRepository(new File("/tmp")); 

        ServletFileUpload upload = new ServletFileUpload(factory); 
        upload.setSizeMax(1000000);     
        
        List fileItems = null; 
        try {     
           fileItems = upload.parseRequest(req); 
        } catch (FileUploadException e) {       
      log.debug("****failed to load items from req");       
           e.printStackTrace();           
        } 
                
       Iterator itr = fileItems.iterator(); 
        
       while(itr.hasNext()) { 
           FileItem fi = (FileItem)itr.next();               

           if(fi.isFormField()) { 
               String fieldName = fi.getFieldName();   
           } 

           else { 

               File fullFile  = new
File(getServletContext().getRealPath("/"), fi.getName()); 
               inFile = fi.getName(); 

               try { 
                   fi.write(fullFile); 
               } catch (Exception e1) { 
                   // TODO Auto-generated catch block 
                   e1.printStackTrace(); 
               }             
                
               PrintWriter out = res.getWriter(); 
               out.println("saved file = " + fullFile.getName());   
          } 
      } 
  } 

Thanks in advance for your help and suggestions.   

Thanks 
B 

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