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Extended Persistence

 
Deepika Joshi
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Extended Persistence context can not be propagated with the Tx, which is obtained from app-managed entity manager.
CORRECT

http://www.coderanch.com/t/443273/EJB-Certification-SCBCD/certification/PersistanceContext-Extended-Scope
Can someone help to understand what is meant be above statement.

Thanks.

Source - Whizlab ques.
 
Ralph Jaus
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What exactly is unclear about it ?
 
Deepika Joshi
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thanks for replying.

I am not able to understand following

Extended Persistence context can not be propagated with the Tx, which is obtained from app-managed entity manager.
What it means?


 
Ralph Jaus
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You can find a rough explanation in the following link (Tx propagation in the Whizzlabs question means the same as Tx Assocaition in the link).

In order to learn the whole (complex) concept of tx propagation, I suggest reading the corresponding section in Pro EJB 3 or in JPA spec (section 5.6).
 
Deepika Joshi
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thanks a lot....
 
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