[英]can not inject interface in a managed bean
我正在使用Spring和PrimeFaces編寫Web應用程序。 我試圖在我的managedBean中注入接口,但是當我嘗試使用它時,它是null並且我得到一個異常。
這是datasource-config.xml
:
<context:component-scan base-package="com.myTest"/>
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName">
<value>java:comp/env/jdbc/testDS</value>
</property>
</bean>
<bean id="myTestService" class="com.myTest.service.MyTestService">
<property name="dataSource" ref="dataSource"/>
</bean>
我的managedBean類是這樣的:
@ManagedBean(name="myList")
@SessionScoped
public class MyListBean {
private LazyDataModel<Merchant> lazyModel;
@Autowired
@ManagedProperty(value = "#{myTestService}")
private MyTestServiceInterface myTestService;
public MyListBean (){
int a = myTestService.getRecordsCount() ;
}
public LazyDataModel<Merchant> getLazyModel() {
return lazyModel;
}
public void setLazyModel(LazyDataModel<Merchant> lazyModel) {
this.lazyModel= lazyModel;
}
public MyTestServiceInterface getMyTestService() {
return myTestService;
}
public void MyTestServiceInterface (MyTestServiceInterface myTestService) {
this.myTestService= myTestService;
}
}
myTestService
保持為null
。
我不得不添加這一行
faces-config.xml中
<el-resolver>org.springframework.web.jsf.el.SpringBeanFacesELResolver</el-resolver>
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