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Nested Transaction in JTA

 
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JTA does not accept nested transactions. Here i have a snippet of code which describes a Flat Transaction .



Please tell what is a Nested Transaction.
 
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Suppose that you already have a JTA (or resource local) transaction on a business method. And if you attempt to start another transaction, without committing/rollingback the existing transaction, you are going to start a nested transaction. As Java EE doesn't support this, an exception will be thrown. In other words, you cannot start another transaction, within the scope of an active transaction.

Devaka.
 
Steve James
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You mean to say like this :

 
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