import javax.transaction.UserTransaction;
public class TransactionExample {
public static void main(String[] args) {
try {
} catch (Exception e) {
}
}
}
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.2"
xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd">
<persistence-unit name="myPersistenceUnit" transaction-type="JTA">
<jta-data-source>jdbc/myDataSource</jta-data-source>
</persistence-unit>
</persistence>
