> - What is the difference between the two mentioned jar files, and what
> causes the problem ? 
a specific version os xalan and xerces is required (mainly for the mmbase 
editwizards) . some portions of the mmbase code still refer to xerces 
directely so you will need xercers

- Is this going to possbile break other apps on the
> Tomcat server, that possible use the XercesImpl.jar ?
I haven't had problems before. moost software uses the standarized way
of getting an dom implementation so.. it should work.


 - Why is their an endorsed directory ?
java 1.4 has "included" the dom interface to the java package.
the default implementation of this interface is xerces. In order to be able to
put your own dom implementation java 1.4 has something called "endorsed dirs
that wil be read before the standard classpath.. or something like this..

>
> Thanks,
> Marco

-- 
Kees Jongenburger
Mediapark C101 Hilversum  
+31 (0)35 6772910


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