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Question about Transactions and EJBs

 
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Hi all.
I created EJB 1 that calls EJB 2 that calls EJB 3.
if EJB 3 transactions are Required. Is there any contraint as far as what transaction properties do EJB 2 and 1 have to have?
 
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No. A method marked as "Required" will cause a new transaction to be started if it's not in a transaction already.
If the method is called from within an existing transaction, then it will use this existing transaction and not start a new one.
 
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