Java Reference
In-Depth Information
Click on New in the Persistence Unit window. In the New Persistence Unit
window, specify a persistence unit name ( em ), and specify a JTA Datasource Name ,
which is the datasource we created earlier. When we use a JTA datasource with
transaction type JTA (the default), the transactions are managed by the EJB container.
The em persistence unit gets added to the Persistence Unit window. Click on Next .
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