Huh? That's plain wrong.
There are many examples out there that use ajax to show a progress bar.
The servlet receives bytes as a stream.
It's tricky, but it can be done and has been done.
See for example
http://www.codeguru.com/java/article.php/c13913/Andrew Robinson wrote:
> HTTP POST operations are not streaming. The server obtains the full
> request after the POST is complete. There is no way with HTTP to
> determine any kind of progress for an upload. You will just have to
> show a please wait animation or something.
>
> On Fri, May 9, 2008 at 9:05 AM, AjayMundra <
ajay.mundra@...> wrote:
>> How to add trinidad progress Indicator with trinidad file upload component
>>
>> i'm trying to add a progressIndicator with trinidad inputFile component, but
>> i do not find any document on how to do this.
>>
>> Please help!
>>
>>
>> Ajay Mundra
>> --
>> View this message in context:
http://www.nabble.com/How-to-add-trinidad-progress-Indicator-with-trinidad-file-upload-component-tp17150076p17150076.html>> Sent from the MyFaces - Users mailing list archive at Nabble.com.
>>
>>
