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From "Craig R. McClanahan" <>
Subject Re: tomcat 3.x vs. tomcat 4.x
Date Sun, 22 Oct 2000 10:01:23 GMT
uoft none wrote:

> What is the history of split between tomcat 3.x and
> tomcat 4.x? I think 4.x is not an evolution of 3.x.
> Are these two code streams going to be developed
> independently? What is the Catalina angle and where
> does it come from?

The "Catalina" code (which comprises the servlet container portion of
Tomcat 4.0 -- Jasper is the JSP portion) is based on code that was going
to become Apache JServ 2.0, prior to the announcement by Sun that Tomcat
was being contributed to the Apache Software Foundation.  As such, it
has essentially zero code in common with the servlet container portion
of Tomcat 3.2 -- you can consider it a complete rewrite based on lessons
learned from both Apache JServ and Tomcat 3.x.

In addition, Tomcat 4.0 already supports nearly all of the features of
the current draft version of the Servlet 2.3 spec, and most of the
features of the JSP 1.2 draft spec.

> Thanks
> u!

Craig McClanahan

See you at ApacheCon Europe <>!
Session VS01 (23-Oct 13h00-17h00):  Sun Technical Briefing
Session T06  (24-Oct 14h00-15h00):  Migrating Apache JServ
                                    Applications to Tomcat

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