Hi,
this is a very interesting issue that has been bugging me for the past couple
of days and I'm running out of ideas here.
Hopefully one of you guys has had a similar issue before and can help.
For starters, here is my form code:
<form action="AttachDoc" method="post" enctype="multipart/form-data">
<input type="hidden" name="question" id="question" value="<%= question.getId()
%>" />
<p class="right">
<input type="file" id="document" name="document" />
<input type="submit" value="Add Document" />
</p>
</form>
and here is the servlet that handles the upload:
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
int id = -1;
int delete = -1;
String fName = null;
InputStream fInStream = null;
String contentType = null;
List items = null;
Iterator iter;
out = response.getWriter();
if( ServletFileUpload.isMultipartContent(request) )
{
DiskFileItemFactory dfiFactory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload( dfiFactory );
try
{
items = upload.parseRequest( request );
iter = items.iterator();
while( iter.hasNext() )
{
FileItem fItem = (FileItem)iter.next();
if( fItem.isFormField() )
{
String name = fItem.getFieldName();
if( name.equals( "question" ) )
{
id = Integer.parseInt( fItem.getString() );
}
}//if( fItem.isFormField() )
else
{
fName = fItem.getName();
contentType = fItem.getContentType();
//boolean isInMemory = fItem.isInMemory();
//long sizeInBytes = fItem.getSize();
fInStream = fItem.getInputStream();
}
}//while( iter.hasNext() )
}
catch( FileUploadException fue )
{
fue.printStackTrace( out );
}
}//if
else
{
logger.info( "Request is not Multipart" );
if( request.getParameter( "question" ) == null )
{
out.print( "Error: getting question ID." );
return;
}
id = Integer.parseInt( request.getParameter( "question" ) );
delete = request.getParameter( "delete" ) == null ? -1 :
Integer.parseInt( request.getParameter( "delete" ) );
}
Question question = DfaqQuestions.getByID( id );
if( question == null )
{
out.print( "Error: Can't get question." );
return;
}
...Rest left out for brevity...
As you can see, the Form calls the servlet directly, no framework whatsoever is
involved, just a couple of jsps and servlets.
When I use Firefox (2.0.0.4) everything works great. With IE however, (IE 6)
the request is completely empty. I also tried to
print out the request data to system.out and it is true: With FF there is data
(whole pdf file, form field etc.) , with IE the request
contains absolutely _nothing_!
While I'm sure that this has nothing to do with the library itself, I'm just
hoping that one of you has seen this before.
thanks much in advance,
henning
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