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Jim,

On 5/4/2009 10:48 AM, jab0326 wrote:
> I am new to Tomcat. We have an application written in 4.1.18.  At a minimum
> I would like to upgrade to version 4.1.39.  The application runs on Windows
> 2000 sp4. 
> 
> Is there an upgrade exe that can be run?  Or, could you point me to a good
> page that would walk me through the process?  Both?

Unfortunately, there are no automated upgrades that you can run.

> Ideally I would like to upgrade to the most recent Tomcat Version 6.1.  I
> assume that would be difficult as different jsp versions may cause issues. 
> Thoughts.

JSP is relatively backward-compatible. I would forget about moving from
4.1.18 -> 4.1.39 and go directly to 6.0.18 (there is no production 6.1
version of TC yet).

My best advice is to start with a stock server.xml from your new version
and merge-in configuration changes manually. Remember a few things:

1. <Context> elements now belong in your webapp's META-INF/context.xml
2. JNDI resources that don't need to be shared among webapps should
   be defined within your <Context> instead of in server.xml
3. There is no such thing as <Logger> anymore in server.xml

See the following references for more information:
http://tomcat.apache.org/tomcat-6.0-doc/config/context.html
http://tomcat.apache.org/tomcat-6.0-doc/jndi-datasource-examples-howto.html
http://tomcat.apache.org/tomcat-6.0-doc/logging.html

Any complaints about TC's logging system should be directed to André
Warnier. He's our resident logging-system complaint file clerk. ;)

- -chris
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