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From Dain Sundstrom <>
Subject Re: ClassFinder questions/problems -- annotation processing
Date Tue, 06 Feb 2007 22:00:01 GMT

On Feb 6, 2007, at 12:49 PM, David Blevins wrote:

> On Feb 4, 2007, at 7:19 PM, Tim McConnell wrote:
>> Hi again Dave, after your recommendation below to do all the  
>> annotation discovery during the installModule phase of deployment  
>> ClassFinder is working much better for me. I do still have another  
>> scenario I'd appreciate some advice on. It seems that when an EJB  
>> EAR file (with embedded JAR and WAR files) gets deployed in  
>> Geronimo, there are two builders invoked: e.g.,  
>> TomcatModuleBuilder/AbstractWebModuleBuilder and EJBModuleBuilder  
>> such that the embedded JAR file is not added to the ClassPath/ 
>> ClassLoader when the WAR is deployed (I assume this is the way it  
>> should work since I haven't changed it--yet). So, if there are  
>> annotations in the WAR class files pointing to classes in the JAR  
>> file, we'll still encounter NoClassDefException(s). I can just add  
>> the JAR files in the EAR to the classpath of the WAR, which is  
>> what I've done to get around the problem, but I'm not sure this is  
>> the best alternative. Do you have any thoughts?? Thanks much
> Those should be added automatically via the deployment system.   
> Very puzzling.  Dain, did you see anything like this when you did  
> that hack for @EJB annotation support in Servlets?

Nope.  The WAR class loader is a child of the EAR class loader so the  
WAR should "see" all of the jars in the ear.  If that is not the  
case, then there is a bug.


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