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From Rick McGuire <>
Subject Yoko core class files not usable with 1.4.2 JVM.
Date Mon, 17 Jul 2006 14:08:44 GMT
There was a lot of discussion when the project was starting up about 
whether yoko would require Java 5 or would still support Java 1.4.2.  
Geronimo definitely has a requirement for 1.4.2 support for the core ORB 
function, and I believe the consensus at the time was to support 1.4.2 
for the core orb, but it was ok to require Java 5 for the newer features 
(.e.g, XML bindings). 

I'm trying to get the current builds working with Geronimo, and I've 
just hit a major roadblock due to using Java 5 to build the Yoko code.  
When I try to use the Yoko classes from Geronimo, I'm getting class 
compatibility errors:

class file has wrong version 49.0, should be 48.0
Please remove or make sure it appears in the correct subdirectory of the 
import org.apache.yoko.orb.CosNaming.tnaming.TransientNameService;

I believe this is occurring because the builds are specifying a 1.5 
language level for all files.  Is this a fixable problem, or is Geronimo 
going to be precluded from using Yoko until it can be Java 5 only?


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