Raible's Wiki: AppFuseSupport

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* I get an "Could not synchronize database state with session" when I try to run test-dao.

;:''If a class with a natural key does not declare a version or timestamp property. It's more dificult to get saveOrUpdate() and cascades to work correctly. You might use a custom Hibernate Interceptor as discussed in this chapter. (On the other hand, if you're happy to use explicit save() and explicit update() instead of saveOrUpdate() and cascades, Hibernate doesn't need to be able to distinguish between transient and detached instances; so you can safely ignore this advice.)

Composite natural keys extend the same ideas.

{Hibernate in Action: pag.:333} ''

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