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From Martin Gainty <>
Subject RE: Uploading large files
Date Wed, 05 Aug 2009 15:41:09 GMT

Struts 1.x has a hard ceiling of 4MB for max file size of uploaded files

have you tried the new Struts-2.1.7 upload plugin?

Martin Gainty 
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> Date: Wed, 5 Aug 2009 15:49:58 +0100
> Subject: Re: Uploading large files
> From:
> To:
> Hi All,
> I posted an email concerning the uploading of large files and on the
> streaming of them into the local HD or database - this email should fall in
> the same thread.
> Now, always using Struts 1.3 with the Common File API, I'm uploading and
> downloading a 1.5 Gb through the web interface and I'm monitoring the
> resource of the local system (i.e. memory mainly) using Java VisualVM (tool
> that comes with the Sun JDK) and the Windows Task Manager.
> I'm surprised to see that with both tools, on the JVM process and on Tomcat
> process, I don't see any considerable increase of memory, from which I infer
> that some how the file is streamed into the local HD.
> I'm a sort of surprised (positively, I mean) as from the Apache Common API
> URL I provided and from your other comment it seemed that it was not managed
> in this way for Struts 1.
> I would like to understand this situation better and I was wondering whether
> any of you knows more or can provide some pointers to docs online - I cannot
> find anything very specific on this aspect.
> Many thanks!
> Dan
> On Tue, Jul 14, 2009 at 2:55 PM, Dale Newfield <> wrote:
> > Daniele Development-ML wrote:
> >
> >> 3. Went to the FAQ section to see how I could integrate in my Struts
> >> application ( ), and read
> >> the
> >> last point - from which I assumed Struts doesn't use this modality.
> >>
> >
> > Those two FAQs are related to Struts1, not Struts2.  In Struts2 the
> > standard way to do this is to use the fileUpload interceptor, and then the
> > action need not be special, just have a few relevant setters.
> >
> >  download
> >>
> >
> > For this you'll want to look into the "stream" result type.
> >
> > -Dale
> >
> >
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