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From: "George Payne" <gpayne@virginia.edu>
To: "'Tomcat Users List'" <users@tomcat.apache.org>
References: <47A27144.1000406@virginia.edu> <47A3191A.6060500@cornell.edu>
 <427155180802010611j2a69b4dci290019f70a0afc67@mail.gmail.com>
In-Reply-To: <427155180802010611j2a69b4dci290019f70a0afc67@mail.gmail.com>
Subject: RE: Upgrading to 5.5.25 web-app_2_3.dtd not found--thanks to all
Date: Fri, 1 Feb 2008 09:54:31 -0500
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Just wanted to say thanks very much for all the very helpful replies on
this.

I now have several avenues to pursue and I assume now that the problem was
my upgrade method, and not a bug in 5.5.25.

There is a general issue this brings up--not really a question anymore, just
a point to ponder (for anyone who just likes pondering :)), which is what
the best way to do security upgrades on tomcat on linux is.

The problem is, for the security conscious, how to practically keep up with
minor revisions of tomcat which may contain security enhancements we
shouldn't really be operating without.

This could be cast as a "laziness" problem, but really, for busy admins,
doing manual point upgrades for lots of apps on lots of machines can be a
very time-consuming task.  I think most of us maintain sanity by skipping a
lot of them, which is not the safest route.  Some distros are starting to
have workable update schemes (EL5 has a good but complex system, though it's
been a bit buggy for me), but this is at the distro level.  I suspect there
are general-purpose things already out there--scripts, etc?


-----Original Message-----
From: Konstantin Kolinko [mailto:knst.kolinko@gmail.com] 
Sent: Friday, February 01, 2008 9:11 AM
To: Tomcat Users List
Subject: Re: Upgrading to 5.5.25 causes File
/javax/servlet/resources/web-app_2_3.dtd not found

The file /javax/servlet/resources/web-app_2_3.dtd is in
servlet-api.jar in common/lib, both in 5.5.25 and 5.5.20.

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