I think it is "streaming" although it does use a buffered writer like
I mentioned before.
Basically, I: generate a line of data, write to the print writer and
then repeat (pseudo code):
printWriter.write("data");
The PrintWriter flushes itself along the way and I can see the Firefox
progress bar incrementing the file size pretty consistently throughout
the whole process so I know the client is receiving data basically
"streamed" to it (until I click Cancel which was the original
use-case).
Thanks!
On Thu, May 20, 2010 at 5:19 PM, Christopher Schultz
<ch...@christopherschultz.net> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Ðavîd,
>
> (Wow, that's a lot of accented characters! Congratulations on probably
> having a lot of forms on the web misinterpret your name! There's more
> below.)
>
> On 5/20/2010 4:07 PM, Caldarale, Charles R wrote:
>>> From: Ðavîd Låndïs [mailto:dlan...@gmail.com]
>>> Subject: user cancels download attachment
>>>
>>> Tomcat 6.0.20
>>> Java 1.6.0_20-b02
>>> Linux 2.6.32-22
>>
>> I can't answer your question (at least not yet), but one more piece
>> of information is needed: do you have anything front-ending Tomcat,
>> such as httpd, or is Tomcat running standalone?
>
> Also, are you generating your CSV data in a "streaming" way, or are you
> buffering that, and then copying the data to the ServletOutputStream?
>
> - -chris
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