Werner,
Thanks, that's probably the problem then. I am using Tomcat 3.2.1. I apologise for
impugning Castor's
class loader!
I did indicate this in the subject field of the email, but I can see that the subject
was way too long!
I would like to add that this is a very erudite and helpful list. Thanks again.
Patrick
Werner Guttmann wrote:
> Patrick,
>
> Your email does not indicate which version of Tomcat you are using, hence I am
>assuming that you are
> using Tomcat 3.2.x. Now, as far as I know the issue below is a result of a "faulty"
>classloader
> implementation in Tomcat 3.2.x and earlier.
>
> I've seen emails indicating that with Tomcat 3.3.x this will be resolved. You might
>want to have a
> look at the latest Tomcat 3.3.x (beta?) release and its documentation. Allegedly,
>from Tomcat 3.3
> onwards, Tomcat will ignore the (system) CLASSPATH completely, but will offer a more
>sophisticated
> classloader mechanism.
>
> Hope this helps
> Werner
>
> Patrick van Kann wrote:
>
> > First, thanks for Castor. Aside from the problem below, I would have no
> > hesitation in deploying Castor for any project.
> >
> > Ihave written a servlet application that uses Castor 0.9.3 and have come
> > across a very subtle problem that I can't resolve.
> >
> > The problem is that unless every single jar used in the app (including
> > the castor, jdbc2 extensions, database driver) has to be on the current
> > shells environment classpath (or in tomcat/lib) for the application to
> > work. This in itself is a problem. Supposedly, it should be fine to
> > include all the jars just in the web applications WEB-INF/lib where it
> > should all be added to the classpath when you start the server. But not
> > only do you need to add all the castor jars, you also need to add all
> > the other classes (like the JavaBeans for the web app itself!) to the
> > classpath or you get the following.
> >
> > org.exolab.castor.mapping.MappingException: Could not find the class
> > com.fc.fortunecookie.beans.Employee
> > at
> >
>org.exolab.castor.mapping.loader.MappingLoader.createDescriptor(MappingLoader.java:300)
> >
> > at
> >
>org.exolab.castor.jdo.engine.JDOMappingLoader.createDescriptor(JDOMappingLoader.java:147)
> >
> > at
> > org.exolab.castor.mapping.loader.MappingLoader.loadMapping(MappingLoader.java:211)
> >
> > at
> >
>org.exolab.castor.jdo.engine.JDOMappingLoader.loadMapping(JDOMappingLoader.java:294)
> >
> > at
> > org.exolab.castor.mapping.Mapping.getResolver(Mapping.java:278)
> > at
> >
>org.exolab.castor.jdo.engine.DatabaseRegistry.loadDatabase(DatabaseRegistry.java:289)
> >
> > at org.exolab.castor.jdo.JDO.getDatabase(JDO.java:538)
> > at com.fc.initialiser.Initialiser.init(Initialiser.java:88)
> > at
> > org.apache.tomcat.core.ServletWrapper.doInit(ServletWrapper.java:317)
> > at org.apache.tomcat.core.Handler.init(Handler.java:215)
> > at
> > org.apache.tomcat.core.ServletWrapper.init(ServletWrapper.java:296)
> > at
> >
>org.apache.tomcat.context.LoadOnStartupInterceptor.contextInit(LoadOnStartupInterceptor.java:130)
> >
> > at
> > org.apache.tomcat.core.ContextManager.initContext(ContextManager.java:491)
> >
> > at
> > org.apache.tomcat.core.ContextManager.init(ContextManager.java:453)
> > at org.apache.tomcat.startup.Tomcat.execute(Tomcat.java:195)
> > at org.apache.tomcat.startup.Tomcat.main(Tomcat.java:235)
> >
> > This class is iin a jar in the webapps WEB-INF/lib directory (and
> > therefore should be in the classpath automatically). Why can't Castor
> > find it? And why does Castor only work when either explicitly added to
> > the environment classpath in the shell where I am starting tomcat OR in
> > the Tomcat/lib directory (which amounts to the same).
> >
> > Or am I a total squid?
> >
> > Patrick
> >
> > -----------------------------------------------------------
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> > [EMAIL PROTECTED] with a subject of:
> > unsubscribe castor-dev
>
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