Some initial thoughts:
1. Check folder permissions and be sure tomcat has read access on the
WEB-INF/lib folder.
2. Be sure the jar file containing XPathException (xalan.jar) is really
in WEB-INF/lib, common/lib, or shared/lib. The location will depend on
the class attempting to throw a XPathException (see next item).
3. A class instance loaded from the common class loader or shared class
loader won't be able to see the classes in your local webapp. If the
class that needs it is in common/* or shared/*, then the jar containing
the exception should be in the same place.
It may be a common problem, but the solutions are usually fairly simple
-- verify where XPathException is and that tomcat has access to it.
--David
Barclay Curtis wrote:
Hi,
I am a tomcat newbie, and have the task of setting up a development
environment in Tomcat.
I have a site which is up and running on the live server, but I can't
get it to work in the development environment.
I have the latest version, Apache Tomcat 5.5.17, and have set it up to
use /home/myUser/myWebapps/ as the webapps dir.
It seems to be working as it displays a small amount of the site.
However it is dying part way through of NoClassDefFoundError:
org/apache/xpath/XPathException.
The correct classes are all there in the WEB-INF/lib folder, and it is
using them with no problem on the live server.
Does anyone know why it won't find the libraries?
I've been searching around, and its quite a common problem, but none
of the solutions I've found work for me.
Thanks
Barclay
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