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From "Craig R. McClanahan" <craig...@apache.org>
Subject Re: Tomcat 4.0
Date Wed, 31 Jul 2002 16:21:56 GMT


On Wed, 31 Jul 2002, Thomas Colin de Verdière wrote:

> Date: Wed, 31 Jul 2002 18:04:55 +0200
> From: Thomas Colin de Verdière <tdeverdiere@scort.com>
> Reply-To: Tomcat Developers List <tomcat-dev@jakarta.apache.org>
> To: Tomcat Developers List <tomcat-dev@jakarta.apache.org>
> Subject: Re: Tomcat 4.0
>
> There are not very involved since they should use another servlet container, even an
> application server.

> We have many of our customers using Tomcat 3.2.4 but some use Websphere,
> other WebLogic ... Our product work on tomcat we have our own Servlets
> and taglib delivered in WEB-INF/lib/ of our demos applications, we have
> configuration files in a subdirectory of the conf directory. There are
> some properties file for jndi access. Our product can be customized.
> This customization is on the properties file but also on jsps and
> servlets we deliver. For example we can have the customer can change an
> init-param for a servlet and he could also want to modify a Jsp page by
> adding custom tags. This customization the customer can do it anytime.
> But if he wants to port his customized application to another server we
> don't want him to use some jsp 1.2 specific features like using JSTL in
> our jsp since most of products are not jsp 1.2 compatible. The fact is
> that i want to migrate my taglib to jsp 1.2 compatible and i don't want
> to write (and support) it for both jsp 1.1 and jsp 1.2 server. We want a
> smooth migration ..
>

As with web.xml files, tag library descriptors declare which version of
JSP they are written for (1.1 or 1.2).  Tomcat 4 runs apps with JSP 1.1
tag library descriptors just fine, with no changes.

Craig


>
> Michael E. Locasto wrote:
> > Hi,
> >
> > The 2.3/1.2 spec requires implementations to be backward compatible.
> >
> > http://jakarta.apache.org/tomcat/
> >
> > "As required by the specifications, Tomcat 4.0 also supports web
> > applications built for the Servlet 2.2 and JSP 1.1 specifications with no
> > changes."
> >
> > As far as the choice between 3.3.1 and 4.x, people have their favorites. A
> > lot of people run either very happily. There are arguments for both
> > approaches, but I'd say the critical factor for you is how involved your
> > users are in the administration of some Tomcat instance. The decision is
> > yours; I suppose you could offer both environments as "development" for any
> > of your customers interested in migration. Let them do the assessment for
> > you :)
> >
> > Regards,
> > Michael Locasto
> >
> >
> > ----- Original Message -----
> > From: "Thomas Colin de Verdière" <tdeverdiere@scort.com>
> > To: <tomcat-dev@jakarta.apache.org>
> > Sent: Wednesday, July 31, 2002 8:48 AM
> > Subject: Tomcat 4.0
> >
> >
> >
> >>  Hi,
> >>  we are using Tomcat 3.2.4, we deliver to the customer a solution with
> >>Tomcat 3.2.4 and we would like to use either Tomcat 3.3 either Tomcat 4.0.
> >
> > Our
> >
> >>product work fine with Tomcat 4.0 and Tomcat 3.2.4.
> >>Our customers develop their applications using Tomcat 3.2.4 and so it is
> >>easy for them to a have a free environment then if they wish they can
> >>go to a commercial server.
> >>
> >>As tomcat 4.0 provides some efficient way to manage log .., compilation
> >>JSP, a standard taglib (JSTL)  compatible. We are asking ourself if it
> >>is a good way to upgrade to Tomcat 4.0 or Tomcat 3.3. Because TC 3.3 is
> >>servlet 2.2 and jsp 1.1 compatible, instead Tomcat 4.0 is servlet 2.3
> >>and jsp 1.2 compatible. Most of the commercials products are
> >>working today on 2.2 and 1.1 platform so this is why we are asking this?
> >>We want to keep a compatibility with S 2.2, JSP 1.1 . If any of you have
> >>some responses
> >>they are very welcomed.
> >>
> >>
> >>Thomas Colin de Verdière
> >>--
> >>SCORT
> >>http://www.scort.com
> >>
> >>
> >>--
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> >
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> >
> >
>
> --
> Thomas Colin de Verdière
> SCORT
> http://www.scort.com
>
>
> --
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>
>


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