java - Hibernate 2.1.6 or 3.x? -


we in process of revamping our persistence layer proprietary orm. of our developers familiar hibernate 2 , gotchas. decided stay hibernate (instead of switching jpa2 means new learning curve etc etc). questions stick 2.x version using (but simple selects , simple inserts only) or move 3.x?

after going through release docs, there seems around 1200+ defects fixed or enhancements made etc. enough me move 3.x. can enlighten on gaining if move 3.x or problems of staying 2.x.

thank you.

move 3.x if have chance. not because 2.x not maintained anymore, because 3.x contains lot of new features (which may need in future) , performance improvements. 1 more thing consider 2.x wasn't designed modern vms, so, 3.x contains optimizations newer jdbcs , newer vms. , didn't mentioned jpa (and annotations) support ;-)

i'd it's better spend 1 or 2 weeks "learning" jpa stick hibernate 2.x, has no future.


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