Re: FileUpload documentation confusing

Tue, 01 Jul 2003 09:30:35 -0700

Maybe the FileItem your compiler is picking up is not the same as the one from FileUpload.
Check your CLASSPATH.


Rhino wrote:

Agreed, I should not have needed to replace the line in the "Using"
documentation with

DefaultFileItem item = (DefaultFileItem) iter.next();

That was simply an experiment to see if I could coax it to work. According
to the Eclipse Debugger, items = upload.ParseRequest(request) is returning
an ArrayList and each of the four elements in that ArrayList are of class
DefaultFileItem. I've inspected each of the four items and they all look
reasonable to me. I'm not actually entirely sure what they SHOULD look like
but my input form has one text field where a user is supposed to supply his
name, followed by three type="file" inputs. The text field contains a value
and the first of the file inputs contains a value and the remaining two file
inputs are empty, exactly as they should be because that's what I put into
the form. The ENCTYPE in the input form is "multipart/form-data\".

The ClassCastException definitely occurs on this line:

FileItem item = (FileItem) iter.next();

I've verified that in the Tomcat error page and via the debugger.

Any ideas why this code is failing?

Rhino

----- Original Message ----- From: "Will Stranathan" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, July 01, 2003 11:38 AM
Subject: Re: FileUpload documentation confusing




DefaultFileItem implements the FileItem interface, so you should not need


to


change that.  Not sure why you're getting a ClassCastException if you know
for sure they're DefaultFileItems.  Are you positive the Exception occurs
when trying to cast the Object returned from iter.netx() to a FileItem?

Will




From: "Rhino" <[EMAIL PROTECTED]>
Reply-To: "Jakarta Commons Users List" <[EMAIL PROTECTED]>
To: "Jakarta Commons Users List" <[EMAIL PROTECTED]>
Subject: Re: FileUpload documentation confusing
Date: Tue, 1 Jul 2003 11:28:32 -0400

Thanks, I already figured that part out ;-)

Can you tell me what I need to do to get the loop working? I get a
ClassCastException when I execute the line:

FileItem item = (FileItem) iter.next();

I watched it in the Eclipse debugger and saw that the items in the


iterator


were DefaultFileItems so I changed the above line to say:

DefaultFileItem item = (DefaultFileItem) iter.next();

but this also gave me a ClassCastException. What can I do to resolve this
problem?

Rhino

----- Original Message -----
From: "Will Stranathan" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, July 01, 2003 10:50 AM
Subject: Re: FileUpload documentation confusing




A patch was submitted yesterday to update the documentation. That


should


be:

DiskFileUpload upload = new DiskFileUpload();

Regards,
Will




From: "Rhino" <[EMAIL PROTECTED]>
Reply-To: "Jakarta Commons Users List"


<[EMAIL PROTECTED]>


To: "commons-user" <[EMAIL PROTECTED]>
Subject: FileUpload documentation confusing
Date: Tue, 1 Jul 2003 08:30:57 -0400

I'm trying to use FileUpload 1.0 for the first time but I'm finding


the


documentation confusing. I'm referring to the "Using" document at
http://jakarta.apache.org/commons/fileupload/using.html.

According to this document, the first line I need after verifying


that


the


input is multipart is:

FileUpload upload = new DiskFileUpload();



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