AFAIK the only areas where you are likely to have problems are:

1) XML/Xalan/Xerces files that are also in Java 1.4 (see 'endorsed libs problem' on 
Wiki)
2) JDBC changed from 1.3 to 1.4, so I think there are changes in terms of how that is 
handled. But you can probably work around that by replacing the excalibur-
datasource jar with the new one.

You shouldn't need to recompile anything. 

That _should_ be it. Others may choose to correct me.

I suggest you take a copy of your Cocoon installation and give it a go. (I'm regularly 
switching between 1.3 and 1.4 on the HEAD branch, and don't have 'too much' 
trouble with it).

Regards, Upayavira

On 20 Jun 2003 at 8:13, Derek Hohls wrote:

> I am wanting to upgrade my Java version from 1.3 to 1.4 
> in order to keep pace with new software that needs it
> - however, I have the '1.3 compatible' version of Cocoon
> installed.  Are then any "issues" in putting in the 1.4 version
> of Cocoon... can I just overwrite all the jars in the library
> and restart Tomcat - or is there some obscure and mystical
> procedure one has to follow?
> 
> (I dont want to just overwrite my complete Cocoon installation
> as I have modified files in various places.....)
> 
> Thanks.
> 
> 
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