It looks to me like your ObjectCreate rule is incorrect... I believe the
class you reference must be the fully-qualified name. For instance,
look at this source as an example:
http://cvs.sourceforge.net/viewcvs.py/javawebparts/javawebparts/WEB-INF/src/javawebparts/taglib/ajaxtags/AjaxInit.java?view=markup
Here you see lines like:
digester.addObjectCreate("ajaxConfig/handler",
"javawebparts.taglib.ajaxtags.config.AjaxHandler");
Although I can't find anyplace in the documentation where it's
explicitly stated (I'm betting I'm just missing it though), looking at
the Digester Javadoc here:
http://jakarta.apache.org/commons/digester/commons-digester-1.7/docs/api/
The example code also shows fully-qualified names. The same looks to be
true of setNext by the way, and I suspect anywhere a class name is
required.
Give that a try and see if it solves your problem. I can tell you wish
certainty that I've used Digester in a servlet under Tomcat and not had
any problems.
Frank
Marc Farrow wrote:
I have no knowledge of digesters, but if you are wanting Tomcat (the engine
itself) to use a class, then it has to be in the common/lib folder and not
deployed with the webapp. Not sure if this is the direction you want to go
or not.
hth
On 4/23/06, Christopher Piggott <[EMAIL PROTECTED]> wrote:
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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Marc Farrow
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Frank W. Zammetti
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Omnytex Technologies
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