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From Reinhard Pötz <reinh...@apache.org>
Subject Re: [2.2] Spring class loading issue: WebAppClassLoader vs. ResourceStoreClassLoader
Date Fri, 20 Feb 2009 06:48:26 GMT
Andreas Hartmann wrote:
> Andreas Hartmann schrieb:
>> Hi Cocooners,
>>
>> in my C2.2 application, I have two modules "usecase" and "acusecases",
>> with acusecases depending on usecase. usecase is a block, acusecases
>> isn't.
>>
>> A bean in acusecases shall get a reference to another bean defined in
>> acusecases. The class of this bean is declared in usecase.
>>
>> Now I get the following exception:
>>
>> org.springframework.beans.TypeMismatchException: Failed to convert
>> property value of type [org.apache.lenya.cms.usecase.UsecaseView] to
>> required type [org.apache.lenya.cms.usecase.UsecaseView] for property
>> 'view'
>>
>> Since the class is the same, the classloader is the source of the
>> problem. Using the debugger I found out that the bean (from the
>> acusecases module) is loaded using a WebAppClassLoader, but the class
>> (from the usecase module) is loaded using a ResourceStoreClassLoader.
> 
> The issue could be resolved by removing the usecase block from
> rcl.properties. Apparently it's not possible to mix non-RCL projects
> with RCL-enabled blocks. Is this the case?

I suggest that you load "acusecases" by the reloading classloader too.
See
http://cocoon.apache.org/2.2/maven-plugins/maven-plugin/1.0/1298_1_1.html

%classes-dir=/path/to/acusecases/target/classes

Nonetheless I agree with Torsten that it should work the way you tried
and smells like a bug.

-- 
Reinhard Pötz                           Managing Director, {Indoqa} GmbH
                         http://www.indoqa.com/en/people/reinhard.poetz/

Member of the Apache Software Foundation
Apache Cocoon Committer, PMC member                  reinhard@apache.org
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