Pros & Cons: Hibernate vs. EJB 3

Question

What are the advantages and disadvantages of Hibernate & EJB3 relative to each other?

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Answer 1

JPA provides a subset of Hibernate functionality, but EJB3 provides other services that Hibernate does not address (e.g. Web services, EJBs, Timer service)

JPA offers the following benefits compared to Hibernate:

• Standardized API
• Vendor independence (can switch between Hibernate, TopLink, OpenEJB, etc.)

Hibernate offers the following benefits:

• Widely used
• De facto standard
• Direct support from Spring, Grails, etc.
• Possibly better tools support
• More features than JPA

What you can do is write your application in EJB using JPA and then when necessary use Hibernate-specific features. Or just use plain Hibernate for persistence if you don't care about standardization and vendor lock-in. Realistically, it's unlikely you will switch between Hibernate and another provider, but it does happen.