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From Christopher Schultz <>
Subject Re: Webapps that run on 5.0.28 but not 5.5.x?
Date Wed, 01 Nov 2006 18:13:22 GMT

> Question:  How common is it for a webapp to be able to run on Tomcat 
> 5.0.28 but *not* 5.5.20?
> For the installation of a commerical web application that calls for 
> installation of Tomcat 5.0.28 [...]


> To what degree is "This webapp will work on 5.0.28 but not 5.5.20" an
> old wives' tale?

I'm guessing that this is good-old CYA talking, here. The authors don't
want you to install it on an untested version of the server platform and
then come crying to them if something goes wrong.

I can't speak to the "success ratio" of a blind upgrade from 5.0.x to
5.5.x, but you could always give it a try. Just make sure that you test
it yourself before you let any of your real users get their hands on it.
A good dose of paranoia is always a good thing in this case.


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