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From "Christopher Piggott" <chr...@rochester.rr.com>
Subject using digester from within a servlet
Date Mon, 24 Apr 2006 02:32:53 GMT

Hi,

My goal is to use digester within a servlet, to parse a configuration file.
When running within the servlet context digester is unable to find the
classes specified by my rules.  For example, I have this set of rules to
process an element <xdb-config> which occurs within a <config> element:

   digester.addObjectCreate("config/xdb-config", XdbConfig.class);
   digester.addSetProperties("config/xdb-config", "database-name",
"databaseName");
   digester.addSetNext("config/xdb-config", "addXdbConfig", "XdbConfig");

What I get is this:

Apr 23, 2006 10:21:29 PM org.apache.commons.digester.CallMethodRule
setDigester
SEVERE: (CallMethodRule) Cannot load class XdbConfig
java.lang.ClassNotFoundException: XdbConfig


I get this other places as well.  One of the things I find odd is that this
error occurs after the above one in the error log:

Apr 23, 2006 10:21:29 PM org.apache.commons.digester.CallMethodRule
setDigester
SEVERE: (CallMethodRule) Cannot load class Config
java.lang.ClassNotFoundException: Config


Basically, the class loader seems to be able to load my classes from within
my own classes, but NOT from the digester.  What I don't understand is how
that's possible when the required classes are clearly within the classpath;
I upload them to tomcat as a .war and they are all exploded into
WEB-INF/classes.  I can't see how this could not be in the classpath and
therefore not found by the digester.

--Chris



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