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的Spring bean我的Spring bean如下:未能調用從門戶
@Service("bookService")
public class BookServiceImpl implements BookService {
@Autowired
@Qualifier("bookDao")
private BookDao bookDao;
我有一個portlet試圖訪問它,如下圖所示:
62 public BookService getBookService() {
63 ApplicationContext springCtx = PortletApplicationContextUtils.getWebApplicationContext(getPortletContext());
64 return (BookService)springCtx.getBean("bookService");
}
but i have the below nullpointer exception:
java.lang.NullPointerException
at chapter09.code.listing.base.BookCatalogPortlet.getBookService(BookCatalogPortlet.java:64)
at chapter09.code.listing.base.BookCatalogPortlet.init(BookCatalogPortlet.java:59)
請讓我知道,如果我錯過了一些事情 源提供@http://portletsinaction.googlecode.com/svn/trunk/ch9_BookCatalogSpringJdbc/
enter code here
您能否提供您嘗試部署的項目的鏈接?另外,請從下次開始嘗試正確設置問題的格式。謝謝 – 2012-08-16 07:06:04