Java 在我的控制器上使用@Autowired时,无此项定义异常
我在春天吃豆子有问题。当我尝试在我的服务器上运行此操作时,会出现以下错误:Java 在我的控制器上使用@Autowired时,无此项定义异常,java,spring,hibernate,model-view-controller,Java,Spring,Hibernate,Model View Controller,我在春天吃豆子有问题。当我尝试在我的服务器上运行此操作时,会出现以下错误: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'rio.antelodel.david.ejercicios_programacion.Model.DAO.PersonaDAO' available 这些是我的课程: @Controller public class PersonaC
org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'rio.antelodel.david.ejercicios_programacion.Model.DAO.PersonaDAO' available
这些是我的课程:
@Controller
public class PersonaController {
@Autowired
private PersonaDAO personaDAO;
@RequestMapping("/persona")
public ModelAndView getPersonasList () {
...
}
}
这是我的名字
@Repository
public class PersonaDAO extends AHibernateDAO < Persona > {
public Persona find (String key) {
return getCurrentSession().get(getCurrentClass(), key);
}
}
@存储库
公共类PersonaDAO扩展了AHibernateDAO{
公共角色查找(字符串键){
返回getCurrentSession().get(getCurrentClass(),键);
}
}
这是我的spring上下文文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:c="http://www.springframework.org/schema/c"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd">
<context:annotation-config/>
<tx:annotation-driven transaction-manager="txManager"/>
<bean id = "txManager" class = "org.springframework.orm.hibernate5.HibernateTransactionManager">
<property name = "sessionFactory" ref = "sessionFactory" />
</bean>
<bean id= "dataSource" class= "org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name = "driverClassName" value = "com.mysql.cj.jdbc.Driver"/>
<property name = "url" value = "jdbc:mysql://localhost:3306/gestion_ejercicios_programacion?useSSL=false&serverTimezone=UTC"/>
<property name = "username" value = "root"/>
<property name = "password" value = "mysqlpass"/>
</bean>
<bean id = "sessionFactory" class = "org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<property name = "dataSource" ref = "dataSource"/>
<property name = "packagesToScan" value = "rio.antelodel.david.ejercicios_programacion."/>
<property name = "hibernateProperties">
<props>
<prop key = "dialect">org.hibernate.dialect.Derbydialect</prop>
</props>
</property>
</bean>
<bean id = "personaController" class = "rio.antelodel.david.ejercicios_programacion.Controller.PersonaController" />
<bean id = "alumnoDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.AlumnoDAO" />
<bean id = "archivoDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.ArchivoDAO" />
<bean id = "categoriaDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.CategoriaDAO" />
<bean id = "dificultadAlumnoEjercicioDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.DificultadAlumnoEjercicioDAO" />
<bean id = "dificultadDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.DificultadDAO" />
<bean id = "ejercicioDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.EjercicioDAO" />
<bean id = "ejercicioIdeaDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.EjercicioIdeaDAO" />
<bean id = "personaDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.PersonaDAO" />
<bean id = "practicaDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.PracticaDAO" />
<bean id = "practicaEvaluacionDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.PracticaEvaluacionDAO" />
<bean id = "profesorDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.ProfesorDAO" />
<bean id = "pruebaEvaluacionDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.PruebaEvaluacionDAO" />
<bean id = "titulacionDAO" class = "rio.antelodel.david.ejercicios_programacion.Model.DAO.TitulacionDAO" />
</beans>
org.hibernate.dialogue.derbydialogue
我已经测试并确保错误在控制器中的@Autowired行中
问题是,我的bean是在我的上下文文件中定义的,如果我在本地运行一个刚刚得到bean的主类(PersonaDAO pDAO=context.getBean(PersonaDAO.class);),它工作得非常好,所以我的应用程序只会在需要时识别bean。感谢您的帮助您正在用XML和
上下文:注释配置重新定义相同的bean,例如@Controller
和@Repository
bean应该自动扫描。只使用一种机制来注册bean。您正在用XML和上下文:注释配置重新定义相同的bean,例如@Controller
和@Repository
bean应该自动扫描。仅使用一种机制来注册bean。您正在通过XML和注释配置重新定义相同的bean,例如@Controller
和@Repository
应自动扫描。只使用一个。非常感谢,修复了我尝试的问题,我不得不等待如果这是新的,使用Spring引导和Spring数据JPA;您可以删除除控制器之外的所有内容。您正在通过XML和注释配置重新定义相同的bean,例如@controller
和@Repository
应自动扫描。只使用一个。非常感谢,修复了我尝试的问题,我不得不等待如果这是新的,使用Spring引导和Spring数据JPA;您可以消除除控制器之外的所有内容。