what the heck is a JPA configuration?

Answer 1

You need to start at the beginning: Sun's JPA tutorial.

This might help as well.

You need to create the persistence.xml and put it in the META-INF directory for your project.

Hibernate is one concrete implementation for JPA, but there are others (e.g., JDO).

Answer 2

Replace the <jpaconfiguration /> with the <configuration /> tag, as detailed in Hibernate Tools docs:

<configuration
    configurationfile="hibernate.cfg.xml"
    propertyfile="hibernate.properties"
    entityresolver="EntityResolver classname"
    namingstrategy="NamingStrategy classname">

Answer 3

Just to give you high level prespective. JPA is standard persistence API provided by SUN.
You can use any persistence framework like Hibernate,TopLink,JDO etc as persistence provider with JPA.

So just to make things clear

Your code -----> JPA ----->Persistence Provider(Hibernate).

Its will be good practice to use JPA as it is standard library.

So what is your persistence provider information should only be known to JPA and not your code specific XML's.

This is how your persistence.xml will look like

<persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"&gt;
<persistence-unit name="QuarkFrameworkPU" transaction-type="RESOURCE_LOCAL">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
</persistence-unit>

And your Application context will look like (Dependent on JPA , no mention of Hibernate)

    <bean id="dataSource"
 class="org.springframework.jdbc.datasource.DriverManagerDataSource"
 p:driverClassName="com.mysql.jdbc.Driver" p:url="${db.url}" />




<!-- ADD PERSISTENCE SUPPORT HERE (jpa,etc) -->

<bean id="entityManagerFactory"
 class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
 <property name="persistenceUnitName" value="QuarkFrameworkPU" />
 <property name="dataSource" ref="dataSource" />
 <property name="jpaVendorAdapter">
  <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
   <property name="showSql" value="true" />
  </bean>
 </property>
</bean>

<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
 <property name="entityManagerFactory" ref="entityManagerFactory" />
 <property name="dataSource" ref="dataSource" />
</bean>

Answer 4

You need annotationconfiguration not jpaconfiguration.