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EJB3 Pros and Cons

Posted on 2007-04-03
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Last Modified: 2013-11-24
What are the advantages and disadvantages of using EJB3 in not-too-big projects?
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Question by:kevorkgt
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Expert Comment

by:Ajay-Singh
ID: 18848325
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Author Comment

by:kevorkgt
ID: 18848850
The article compares two methods for migrating a Java service to EJB.
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Accepted Solution

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Mayank S earned 500 total points
ID: 18861393
>> advantages

Transaction management
Persistence/ Database relational mapping
Session/ state management (in case of stateful)
Creation/ passivation/ maintenance etc

All done by the container.

>> disadvantages

Heavy to use
Uses RMI so serialization/ de-serialization will happen (unless you use local interfaces)
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Author Comment

by:kevorkgt
ID: 18861484
Why is EJB "heavy to use"?
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LVL 30

Expert Comment

by:Mayank S
ID: 18862218
Because the containers will typically take more space for install, deal with databases for persisting the EJBs, RMI for serialization/ de-serialization when EJBs are called remotely, etc
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