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From "Shapira, Yoav" <Yoav.Shap...@mpi.com>
Subject RE: Tomcat configuration tuning
Date Thu, 08 Apr 2004 19:39:51 GMT

Hi,
Did you profile the filter versus aspects?  Now that's a benchmark I'd
be really interested in.

To the original poster: assuming your filter is smart enough to check
the session for a "user is authenticated already" token, the /* mapping
is not that big a deal.  If you're re-authenticating every time, that's
terrible, and you should make your filter smarter.

Yoav Shapira
Millennium Research Informatics


>-----Original Message-----
>From: Charles N. Harvey III [mailto:charlieh@alloy.com]
>Sent: Thursday, April 08, 2004 3:38 PM
>To: Tomcat Users List
>Subject: Re: Tomcat configuration tuning
>
>I do just what you described below.  If the loginContext isn't in the
>session,
>I show do a global-forward to the login form.  And, because I didn't
want
>to
>have to put a session check into every Struts action I used AspectJ to
>weave
>in a pointcut into every action.  Works great.  I was considering going
>with
>a filter servlet instead but if you say its slow then maybe I did the
right
>thing.
>
>
>Charlie
>
>
>
>Allistair Crossley wrote:
>
>>Slightly off-forum but related to my performance tuning of my tomcat
>webapp, I am using the JCIFS NTLM authentication servlet as a filter.
The
>filter is mapped to all requests /*. I just thought to myself on the
train
>home whether because NTLM is a 3-way handshake, that this may be
causing
>some kind of performance hit.
>>
>>The filter authenticates the desktop user and then populates the
>request.getRemoteUser. I suppose I "could" do this once with a login
>servlet and then populate a session user object and if that ever
expires
>redirect back to the login servlet.
>>
>>Does anyone have an opinion on whether it would be worth my time
removing
>the filter per request in favour of a once-only login action.
>>
>>I appreciate this is off-tomcat, so no hard feelings if noone replies
;)
>>
>>ADC
>>
>>
>><FONT SIZE=1 FACE="VERDANA,ARIAL" COLOR=BLUE>
>>-------------------------------------------------------
>>QAS Ltd.
>>Developers of QuickAddress Software
>><a href="http://www.qas.com">www.qas.com</a>
>>Registered in England: No 2582055
>>Registered in Australia: No 082 851 474
>>-------------------------------------------------------
>></FONT>
>>
>>
>>
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