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From Aristedes Maniatis <>
Subject Re: Using Cayenne Servlet Filter can bring the web application down
Date Tue, 15 Sep 2009 08:50:04 GMT
Hi Borut,

While your writing momentum is still gaining, please go ahead and add some pages and documentation
to our Cayenne wiki:

I'm planning to do some reorganisation of the wiki soon, but please create some pages with
your notes and experiences on using T5 with Cayenne. I am sure many people will find it interesting.
I sure will.

You will need to create a Confluence account on the site, but that will automatically give
you the rights to edit pages within the wiki.


On 15/09/09 2:26 AM, Borut Bolčina wrote:
> Yes, we successfully deployed a T5 application (openid server (70K users and
> rising) and much more) and yes it uses Cayenne 3M6. :-)
> I am again gaining momentum to continue writing.
> Cheers,
> Borut
> 2009/9/14 Michael Gentry<>
>> Hi Borut,
>> I'm just curious if you are still using Tapestry 5 (and if using
>> Cayenne with T5)?  I also liked your blog where you were writing about
>> T5.  I found that useful when I was just starting to read about T5 and
>> get started in it (I'm still learning, of course -- no expert here).
>> mrg
>> On Mon, Sep 14, 2009 at 4:07 AM, Borut Bolčina<>
>> wrote:
>>> Hello,
>>> I think web developers should be given an advice at
>>> that if using
>> Cayenne
>>> Servlet Filter the web application can be brought to a halt if a
>> malicious
>>> user sends lots of  cookie-less requests (every request bounds data
>> context
>>> to a new session). We were testing our app with JMeter and found out we
>> can
>>> not afford to use filter approach.
>>> It would be of most value if some debates from the mailing list about how
>> to
>>> use DataContext based on different web application needs would be at the
>>> What I have in
>>> mind is a tiny cookbook, just two or three recipes, on why it is good to
>>> gave one data context shared for all users, some data context created for
>>> each request, some saved in the session, when not to put dc in the
>> session
>>> etc.
>>> Should I open an issue in the JIRA?
>>> Cheers,
>>> Borut


Aristedes Maniatis
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