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By developerslane
via javarevisited.blogspot.in
Published: Apr 14 2014 / 10:39

If you have used Hibernate with JPA and using annotation to declare your entity bean then you might have seen this confusing error called "org.hibernate.MappingException: Unknown entity". This error message is so misleading that you could easily lose anywhere between few minutes to few hours looking at wrong places.
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