jpa + Spring 2.5 表插入不了数据

@Test
public void runtest() {

    ApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml");

    ProductService productService = (ProductService) ctx.getBean("productServiceImpl");

    ProductType type = new ProductType();

    type.setName("瑜伽用品");

    type.setNote("好产");

    type.setVisible(false);

    productService.save(type);


}