I believe this is related to the issue of streaming vs non-streaming
file uploads ... If you are setting your request encoding to, for
instance, UTF8, there's a bug somewhere along the chain (maybe in
Wonder, maybe in WO, I haven't looked much) that if you bind to an
NSData, the data will have already been consumed by the time it gets
back to the WOFileUpload component, which gives a totally obtuse
error message about it. I remember I looked into this some a few
months back, but didn't spend much time on it ... Streaming to file
paths works, and I think input/output streams work. I /think/ it's
just binding to an NSData doesn't? I'm not positive about which of
those do and don't work, offhand, though ...
ms
On Aug 2, 2007, at 1:24 PM, Steven Mark McCraw wrote:
Hi Clark,
I know there is some stupid hack that I don't really understand
that fixes your particular problem (No form data left for
WOFileUpload). You can set a system property in the following way:
System.setProperty( "WOUseLegacyMultipartParser", "YES" );
and the problem will probably go away. Be warned though, there are
some places where this seems like a bad idea. I recently lost a
good half day trying to get AjaxUploadComponent to work. The key
to fixing it? Remove the line I just mentioned above.
Does anyone on the list actually understand the underlying issues
here? I've always been curious, but never had time to dig.
Mark
On Aug 1, 2007, at 10:00 PM, Clark Mueller wrote:
I should also mention... my enctype is set to "multipart/form-
data", and I get a stack trace that says:
[2007-08-01 19:59:46 MDT] <WorkerThread0>
<com.webobjects.appserver._private.WOComponentRequestHandler>:
Exception occurred while handling request:
java.lang.IllegalStateException:
<com.webobjects.appserver._private.WOFileUpload> No form data
left for WOFileUpload!
Clark
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