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From "Rhino" <>
Subject Re: Upgrading Tomcat
Date Thu, 01 Dec 2005 20:54:42 GMT

Thanks very much for the quick and helpful response!

My email client - Outlook Express - won't let me intersperse with your reply 
so a follow up question, if I may....

I'm having trouble finding the note you mentioned in the mailing list 
archives. I looked at the titles of the threads you initiated in the last 
several weeks in the archive and clicked on the ones that looked like good 
candidates but couldn't find the one you mentioned. The Readme file you 
cited is too skimpy for me to really understand. Can you recall the date of 
the thread from the archive or the subject line or anything that would help 
me find the note in question? I don't want to make you regurgitate the whole 
thing again if I can help it :-)

I'm trying to figure out the following:
- does "Core" include the Administration webapp?
- does "Core" include the Deployer? If not, what does the Deployer do?
- does "Core" include the Embedded bundle? If not, what does it do? (Or, 
more to the point, when do I want Tomcat to be Embedded and when I should 
not do this? And what do you mean by embedded anyway?)
- when do I want do download "Core" as a Windows Executable and when do I 
want to download it as a zip? What is the difference? (I'm installing to 
Windows XP.)

Again, if all of this is explained somewhere, just tell me where; I don't 
want to waste your time restating things that are already documented.


----- Original Message ----- 
From: "Caldarale, Charles R" <>
To: "Tomcat Users List" <>
Sent: Thursday, December 01, 2005 1:23 PM
Subject: RE: Upgrading Tomcat

> From: Rhino []
> Subject: Upgrading Tomcat
> 1. What are the major differences between the 5.0.x stream
> and the 5.5.x stream?

Lots, especially performance.  There are some configuration differences
between the two, so read the docs carefully.  Consult the changelog and
FAQ for details.

> Perhaps I'd be smarter to use 5.0.x until
> 5.5.x is further along?

I'd go with 5.5 - the newer level gets more attention from the
developers and has definite performance advantages.

> 2. Are 5.5.12 and 5.0.28 both fairly stable and robust?


> 3. Do I need to download/install all of the different
> "bundles" for each version

No, just download what you need.  Look here:

I posted a more detailed description of the download packages a few days
ago.  Try:
to browse the mailing list archive.

> Do I need JDK 1.4 Compatibility if I develop primarily
> in J2SE 1.5?

The key issue is "primarily" vs. "only".  If you develop with 1.5 you
run the risk of not being able to execute on a 1.4 system if you have
written code that depends on 1.5 features.  You only need the
compatibility package for Tomcat installations that are actually running
on 1.4.

> For that matter is it okay to use J2SE 1.5
> with Tomcat or does Tomcat only support 1.4?

Tomcat is built with 1.4, but runs happily on either 1.4 or 1.5.

> 4. Is Sysdeo still the plugin of choice to use for Servlet
> development in Eclipse? Is Lomboz still the plugin of choice
> to use for JSP development in Eclipse?

Got me.  I'm a command line person.

 - Chuck

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