jpa multi datasource_jpa mulity datasource

    <persistence-unit name="com.demo" >
	    <mapping-file>META-INF/orm.xml</mapping-file>		
        <properties>
           <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
           <property name="hibernate.hbm2ddl.auto" value="validation" />
           <property name="hibernate.format_sql" value="true"/>
           <property name="hibernate.show_sql" value="false"/>
        </properties>	 
    </persistence-unit>

	<bean id="emfDemo"
		class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<property name="dataSource" ref="dataSourceDemo" />
		<property name="jpaVendorAdapter">
			<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
				<property name="generateDdl" value="true" />
 				<property name="showSql" value="false" /> 
			</bean>
		</property>		
		<property name="loadTimeWeaver">
			<bean
				class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver" />
		</property>
		<property name="persistenceUnitName" value="com.demo" />
	</bean>

<filter-mapping>
		<filter-name>OpenEntityManagerInViewFilter1</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
 
 
	<filter>
		<filter-name>OpenEntityManagerInViewFilter2</filter-name>
		<filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class>
		<init-param>
			<param-name>entityManagerFactoryBeanName</param-name>
			<param-value>emfDemo</param-value>
		</init-param>
	</filter>

@PersistenceContext(unitName="emfDemo")
	public EntityManager entityManager;

        @GET
	@Path("/jpa/test")
	@Transactional
	public Response testJpaDemo(@QueryParam ("type") String type){
		this.getService().getDao().findAll();
		News news = this.getService().getDao().findOne(1L);
		News newsMaster = (News) entityManager.find(News.class,2L);
		logger.debug(news.getContent());
		logger.debug(newsMaster.getContent());
		News entity = new News();
		entity.setContent("main");
		this.getService().getDao().saveAndFlush(entity);
		
		News entityMaster = new News();
		entity.setContent("master");
		entityManager.persist(entityMaster);
		
		if(true)
		throw new GeneralException("", "test transaction");
		return Response.ok().build();
	}