Good point - we have tried under Flash 9 and Latest V10 too.
We tried Flex 3.2 3.3 and 3.4

--- In [email protected], "shameer.forflex" <shameer.forf...@...> 
wrote:
>
> Please clarify which flash player version are you using? File Upload has some 
> issue with Flash player9 and Firefox. 
> 
> Thanks,
> Shameer
> 
> 
> --- In [email protected], "adebonis" <anthony@> wrote:
> >
> > Hope someone out there an help us with this issue.
> > 
> > We can't get File upload to work with a Browser Running under SunRays on 
> > FireFox
> > 
> > We have finally identified the http problem (http 417) which is causing the 
> > IO flash error.
> > 
> > We tried this on FireFox 3.0 as well as FireFox 3.5.3 both with the same 
> > results. Also, I doubt if this is a browser issue because uploading files 
> > to the same servlet from a test JSP page works fine. Whatever happens, 
> > happens between flash player and the browser. 
> > 
> > After using a simple MXML file (attached below) to test the file upload 
> > functionality on different operating systems we have discovered that it 
> > brakes with an unusual error when tested on Solaris. 
> > We put sniffers and clearly noticed the difference in the headers generated 
> > by Flash 10 in different OS environments.
> >  
> > As you can see from the examples below, the later version (the one running 
> > on Solaris) has an extra "Expect:" in the header which we believe is 
> > responsible for the HTTP 417 error (which, in its turn, is responsible for 
> > 2038 thrown by flex) 
> > 
> > Here is a header generated from a functional system: POST 
> > /iehs_core_document/FileUploadServlet HTTP/1.1
> > Host: dev01.intelligentehs.com:9086
> > Accept: */*
> > User-Agent: Shockwave Flash
> > Connection: Keep-Alive
> > Cache-Control: no-cache
> > Content-Length: 755
> > Expect: 100-continue
> > Content-Type: multipart/form-data; 
> > boundary=----------------------------e6d2f5d2c945
> > 
> > 
> > 
> > And here is a header generated from OpenSolaris  11 2009.06 
> > POST /iehs_core_document/FileUploadServlet HTTP/1.1
> > Host: dev01.intelligentehs.com:9086
> > Accept: */*
> > User-Agent: Shockwave Flash
> > Connection: Keep-Alive
> > Cache-Control: no-cache
> > Expect:
> > Content-Length: 653
> > Expect: 100-continue
> > Content-Type: multipart/form-data; 
> > boundary=----------------------------b64e06f786e4
> >
>


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