configuring SharedEntityManagerBean in applicationContext.xml

applicationContext-with-sharedentitymanagerbean.xml

	<bean id="entityManagerFactory"
		class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
            ...
	</bean>

	<bean id="entityManager"  
	    class="org.springframework.orm.jpa.support.SharedEntityManagerBean">            
	    <property name="entityManagerFactory" ref="entityManagerFactory" />
	</bean>

More informations,
http://stackoverflow.com/questions/6202114/spring-persistencecontext-how-to-inject-manually-the-entity-manager-in-my-gener