Bom dia pessoal,
To querendo usar o Spring pra ficar responsavel por gerenciar os meus DAO’s e to tomando uma surra.
Quando coloco o DAO no meu bean
com a anotação @Inject, o DAO sempre fica nulo.
To usando JSF + Spring + Hibernate
Segue abaixo as classes
applicationContext.xml
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:security="http://www.springframework.org/schema/security"
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-3.0.xsd
http://www.springframework.org/schema/security
http://www.springframework.org/schema/security/spring-security-3.0.3.xsd">
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" name="dataSource">
<property name="driverClassName" value="org.postgresql.Driver"/>
<property name="url" value="jdbc:postgresql://localhost:5432/bdxxx"/>
<property name="username" value="xxx"/>
<property name="password" value="xxx"/>
</bean>
<bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />
</property>
</bean>
<context:component-scan base-package="br.com"/>
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager"/>
<bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />
<security:http use-expressions="true" auto-config="true">
<security:intercept-url pattern="/view/pages/user/**" access="isAuthenticated()"/>
<security:intercept-url pattern="/view/pages/**" access="permitAll"/>
<security:form-login login-page="/view/pages/base.jsf" default-target-url="/view/pages/base.jsf" always-use-default-target="true"/>
</security:http>
<security:authentication-manager alias="authenticationManager">
<security:authentication-provider user-service-ref="userDetailService"/>
</security:authentication-manager>
</beans>web.xml
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>jpaFilter</filter-name>
<filter-class>org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter</filter-class>
<init-param>
<param-name>entityManagerFactoryBeanName</param-name>
<param-value>entityManagerFactory</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>jpaFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.jsf</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>faces-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<faces-config
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
version="2.0">
<application>
<el-resolver>org.springframework.web.jsf.el.SpringBeanFacesELResolver</el-resolver>
</application>
</faces-config>hibernate.cfg.xml
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Atualiza as tabelas ao não apagando os dados. Se houver tabela nova deve ser utilizado a opção create -->
<property name="hbm2ddl.auto">create</property>
<property name="hibernate.connection.driver_class">org.postgresql.Driver</property>
<property name="hibernate.connection.url">jdbc:postgresql://localhost:5432/xxx</property>
<property name="hibernate.connection.username">xxx</property>
<property name="hibernate.connection.password">xxx</property>
<property name="hibernate.show_sql">true</property>
<property name="hibernate.format_sql">true</property>
<property name="hibernate.dialect">org.hibernate.dialect.PostgreSQLDialect</property>
<mapping class="br.com.queuau.domain.Usuario"></mapping>
<mapping class="br.com.queuau.domain.Role"></mapping>
</session-factory>
</hibernate-configuration>BaseDAO
package br.com.queuau.dao;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.hibernate.Session;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;
@Repository("baseDao")
public class BaseDAO<T> {
@PersistenceContext()
EntityManager entityManager;
@Autowired(required=false)
private Class<T> classe;
public BaseDAO() {
}
public BaseDAO(Class<T> classe) {
this.classe = classe;
}
@Transactional(rollbackFor=Exception.class)
public void salva(T pojo) {
entityManager.persist(pojo);
}
public EntityManager getEntityManager(){
return entityManager;
}
public Session getSession(){
return (Session)entityManager.getDelegate();
}
public Class<T> getClasse() {
return classe;
}
}UsuarioDAO
package br.com.queuau.dao;
import org.springframework.stereotype.Repository;
import br.com.queuau.domain.Usuario;
@Repository("usuarioDAO")
public class UsuarioDAO extends BaseDAO<Usuario> {
public UsuarioDAO() {
super(Usuario.class);
}
}UsuarioBean
package br.com.queuau.bean;
import java.util.List;
import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ViewScoped;
import javax.inject.Inject;
import br.com.queuau.dao.UsuarioDAO;
import br.com.queuau.domain.Usuario;
@ManagedBean(name="usuarioBean")
@ViewScoped
public class UsuarioBean {
private Usuario usuario = new Usuario();
private @Inject UsuarioDAO usuarioDAO;
@PostConstruct
public void initialize(){
System.out.println("");
}
public void save(){
List<Usuario> list = usuarioDAO.pesquisaTodos();
System.out.println("");
}
public Usuario getUsuario() {
return usuario;
}
public void setUsuario(Usuario usuario) {
this.usuario = usuario;
}
}Já pesquisei em tudo que é lugar, mas até agra nada 
Se alguém puder me ajudar
Abraços