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Posted to user@commons.apache.org by Morten Andersen <mo...@mip.sdu.dk> on 2004/11/15 11:13:46 UTC

DiskFileUpload why does parseRequest returns 0 items second time

I find it strange (and annoying) that DiskFileUpload returns zero items the 
second time it is called on a request... Why is that?






Morten Andersen
Master of applied mathematics and computer science
Associate professor

The Maersk Institute of Production technology at Southern Danish University 
www.mip.sdu.dk
Campusvej 55
DK-5230 Odense M
Denmark
+45 65 50 36 54
+45 61 71 11 03
Jabber id: hat@jabber.dk


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Re: DiskFileUpload why does parseRequest returns 0 items second time

Posted by Dakota Jack <cr...@gmail.com>.
What do you mean by "the second time it is called on a request"?  Can
you state in concrete terms what you are doing and what the result is?

Jack


On Mon, 15 Nov 2004 11:13:46 +0100, Morten Andersen <mo...@mip.sdu.dk> wrote:
> I find it strange (and annoying) that DiskFileUpload returns zero items the
> second time it is called on a request... Why is that?
> 
> Morten Andersen
> Master of applied mathematics and computer science
> Associate professor
> 
> The Maersk Institute of Production technology at Southern Danish University
> www.mip.sdu.dk
> Campusvej 55
> DK-5230 Odense M
> Denmark
> +45 65 50 36 54
> +45 61 71 11 03
> Jabber id: hat@jabber.dk
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: commons-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: commons-user-help@jakarta.apache.org
> 
> 


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Re: DiskFileUpload why does parseRequest returns 0 items second time

Posted by Martin Cooper <mf...@gmail.com>.
On Mon, 15 Nov 2004 11:13:46 +0100, Morten Andersen <mo...@mip.sdu.dk> wrote:
> I find it strange (and annoying) that DiskFileUpload returns zero items the
> second time it is called on a request... Why is that?

If you're talking about calling FileUpload.parseRequest() more than
once on the same request, the simple answer is that an input stream -
such as that provided by the servlet container to the servlet - can
only be consumed once. The first call will consume the stream, so
there's nothing left to process on a second call.

--
Martin Cooper


> 
> Morten Andersen
> Master of applied mathematics and computer science
> Associate professor
> 
> The Maersk Institute of Production technology at Southern Danish University
> www.mip.sdu.dk
> Campusvej 55
> DK-5230 Odense M
> Denmark
> +45 65 50 36 54
> +45 61 71 11 03
> Jabber id: hat@jabber.dk
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: commons-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: commons-user-help@jakarta.apache.org
> 
>

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