خطا در autowire کرد در اسپرینگ

[alphapersian]

تمامی متغیر هایی که با autowired ٬ inject شده اند null  هستند
کد ها به صورت زیر هست

کد: انتخاب همه

@Controller
@RequestMapping("/roles")
public class RolesController {

    @Autowired
    static RolesService rolesService;


    @RequestMapping("/add.do")
    public void saveRole(){
        Roles roles = new Roles();
        roles.setName("admin");

        rolesService.save(roles);
    }
}

کد: انتخاب همه

@Service
public class RolesService {


    @Autowired
    RolesDA rolesDA;


    public void save(Roles roles) {
        rolesDA.insert(roles);
    }

}

کد: انتخاب همه

@Transactional
@Repository
public class RolesDA {
    
    @PersistenceContext
    EntityManager entityManager  ;

    public void insert(Roles roles) {
        entityManager.persist(roles);
    }

    public void update(Roles roles) {
        entityManager.merge(roles);
    }
}

کد: انتخاب همه

@Entity
@Table(name = "roles")
public class Roles {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private long id;
    @Column
    private String name;
    @Temporal(TemporalType.TIMESTAMP)
    private Date insertDate;
    @Temporal(TemporalType.TIMESTAMP)
    private Date updateDate;
    @OneToMany(mappedBy = "roles")
    private List<UserRoles> userRoles;


    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Date getInsertDate() {
        return insertDate;
    }

    public void setInsertDate(Date insertDate) {
        this.insertDate = insertDate;
    }

    public Date getUpdateDate() {
        return updateDate;
    }

    public void setUpdateDate(Date updateDate) {
        this.updateDate = updateDate;
    }
}

کد: انتخاب همه

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">

    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>
            /WEB-INF/spring-servlet.xml
        </param-value>
    </context-param>

    <servlet>
        <servlet-name>spring</servlet-name>
        <servlet-class>
            org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>spring</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>
</web-app>

کد: انتخاب همه

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
	http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
	http://www.springframework.org/schema/context
	http://www.springframework.org/schema/context/spring-context-3.0.xsd
	http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
	http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">

    <!--SpringMVC-->
    <context:component-scan base-package="ir.thebigbang"/>
    <mvc:annotation-driven/>
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/"/>
        <property name="suffix" value=".jsp"/>
    </bean>

    <bean id="entityManagerFactoryBean" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="packagesToScan" value="ir.thebigbang"/><!--ToPackageAddress-->
        <property name="jpaVendorAdapter">
            <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"/>
        </property>
        <property name="jpaProperties">
            <props>
                <prop key="hibernate.hbm2ddl.auto">create-drop</prop>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
    </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/hibernate"/>
        <property name="username" value="root"/>
        <property name="password" value="ifj2p7T4g0"/>
    </bean>
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactoryBean"/>
    </bean>
    <tx:annotation-driven/>
    <mvc:annotation-driven/>
</beans>

[java2]

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