Re: Using Cayenne Servlet Filter can bring the web application down

From: Michael Gentry (mgentr..asslight.net)
Date: Mon Sep 14 2009 - 10:03:00 EDT

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    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 <borut.bolcin..mail.com> wrote:
    > Hello,
    >
    > I think web developers should be given an advice at
    > http://cayenne.apache.org/doc/web-applications.html 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
    > http://cayenne.apache.org/doc/obtaining-datacontext.html. 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
    >



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