db-context.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="
		http://www.springframework.org/schema/beans 
		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
		http://www.springframework.org/schema/tx
						http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

	<bean id="entityManagerFactory"
		class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<property name="persistenceUnitName" value="rotas-jpa" />
		<property name="jpaVendorAdapter">
			<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
				<property name="showSql" value="true" />
				<property name="generateDdl" value="true" />
				<property name="databasePlatform" value="org.hibernate.dialect.DerbyDialect" />
			</bean>
		</property>
	</bean>

	<tx:annotation-driven transaction-manager="transactionManager"
		proxy-target-class="false" />

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

	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
		<property name="driverClassName">
			<value>org.apache.derby.jdbc.EmbeddedDriver</value>
		</property>
		<property name="url">
			<value>jdbc:derby:derbydb;create=true</value>
		</property>
	</bean>

</beans>