@RequestMapping( value = "/book/add", method = RequestMethod.GET, produces = {APPLICATION_JSON}) public @ResponseBody String addBook() { Book book1 = new Book(); book1.setActive(true); book1.setAuthor("Sasha"); book1.setDescription(new Date().toString()); book1.setTitle("testBook"); bookRepository.addBook(book1); return "added book:" + book1.getTitle(); }