Hi, I'm new here...

I'm trying to use @EJB in Class UserDetailsServiceImpl - using Spring Security 3.1.3

for example:

Code:
@Service(value="userDetailsServiceImpl")
public class UserDetailsServiceImpl implements UserDetailsService , UsersService{
	
	@EJB
	private UsersDAO usersDAO;
	
	@Transactional(readOnly=true)
	@Override
	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
		return getFindByUserName(username);
	}

	@Override
	public Users getFindByUserName(String username) {
		return usersDAO.getFindByUserName(username);
	}
Error log

Code:
INFO: ERROR: org.springframework.web.context.ContextLoader - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userDetailsServiceImpl': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No matching bean of type [br.com.dentalclinic.dao.users.UsersDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@javax.ejb.EJB(beanName=, mappedName=, beanInterface=class java.lang.Object, description=, name=, lookup=)}
	at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessPropertyValues(CommonAnnotationBeanPostProcessor.java:301)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1073)


Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No matching bean of type [br.com.dentalclinic.dao.users.UsersDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@javax.ejb.EJB(beanName=, mappedName=, beanInterface=class java.lang.Object, description=, name=, lookup=)}
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:924)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:793)

Help me!!