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From Michael Duffy <>
Subject RE: Web App Using JSTL Is Still Failing Under Tomcat 4.0.6
Date Tue, 30 Sep 2003 21:03:56 GMT

Thank you so much for your wise counsel.  Your idiom
has now become mine.

I'm going through very carefully and trying to make
sure that everything is set up properly with my apps. 
I've stripped my Tomcat installation down to just the
JARs that Jakarta put in the common/lib, and I'm
rearranging all my apps to put all the JARs they need
in their WARs.  I've increased debug to 99.

I'll let you know how I make out once I have more
data.  Thank you.  Sincerely, MOD

--- "Shapira, Yoav" <> wrote:
> Howdy,
> >"...Definitely NOT using common/lib, shared/lib,
> and
> >other shared repositories.  Disk space is cheap. 
> Your
> >time diagnosing classloader issues related to the
> >common repositories is expensive..." - so true.
> >
> >Even for JDBC JARs?
> Yes.  I'm pretty strict about keeping webapp
> container-independent and
> self-contained, so I use DBCP myself within my
> webapp rather than
> tomcat's built-in DBCP support.  Therefore I don't
> put anything in
> server.xml to configure connection pools.  Then the
> JDBC driver jar
> doesn't need to be in common/lib, instead it's in
> WEB-INF/lib.  This has
> been valuable many times, and in fact we deploy to a
> heterogeneous
> server environment without recompilation OR
> repackaging: same WAR.
> I'm a huge fan of tomcat, obviously.  But I'm not a
> big fan at all of
> any shared/common classloader repositories in
> servlet containers.  They
> invariably cause more problems than solutions ;)
> Yoav Shapira
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