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yet another Spring-JPA-Hibernate config question

 
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Greetings all,

I have decided to upgrade a functioning standalone desktop Java/Spring3x/Hibernate3x/Maven/MySQL5x/Eclipse app from using Hibernate for my ORM to JPA2.

Here's what I've got so far

src/main/resources/ApplicationContext.xml


/src/main/resources/persistenceB.xml


ActivityCodeDAOImpl


and a simple test program


The test program belches on this line with the message


Now I know my persistence file isn't in the standard place but it =seems= to be getting found at least - changing the value of

to some other directory where the file is not will cause a FileNotFound error. So maybe there's some flaw in pu2 that causes IAE error?

I've structured my configuration this way for I plan to add support for multiple databases via multiple EntityFactories and DataSources.

So can anyone spot what I've done wrong/not done right? And are there any improvements to be made? What's the 'best-practices' zen of achieving multiple database transaction management with JPA2/Hibernate ?

TIA,

Still-learning Steve
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