Hierarquia da função de segurança Spring não funciona usando o Java Config

Primeiro de tudo, eu sou novo no Java Spring Framework. Então me perdoe se eu não forneça informações suficientes. Eu tentei adicionar RoleHierarchy no meu aplicativo, mas ele não funcionou. Abaixo estão os códigos que eu tentei.

SecurityConfig.java

// These config is try to set up a user Role Hierarchy
@Bean
public RoleHierarchy roleHierarchy() {
  System.out.println("arrive public RoleHierarchy roleHierarchy()");
  RoleHierarchyImpl r = new RoleHierarchyImpl();
  r.setHierarchy("ROLE_ADMIN > ROLE_STAFF");
  r.setHierarchy("ROLE_STAFF > ROLE_USER");
  r.setHierarchy("ROLE_DEVELOPER > ROLE_USER");
  r.setHierarchy("ROLE_USER > ROLE_GUEST"); 
  return r;
}

@Bean
public AffirmativeBased defaultAccessDecisionManager(RoleHierarchy roleHierarchy){
  System.out.println("arrive public AffirmativeBased defaultAccessDecisionManager()");
  List<AccessDecisionVoter> decisionVoters = new ArrayList<>();

  // webExpressionVoter
  WebExpressionVoter webExpressionVoter = new WebExpressionVoter();
  DefaultWebSecurityExpressionHandler
      expressionHandler = new DefaultWebSecurityExpressionHandler();
  expressionHandler.setRoleHierarchy(roleHierarchy);
  webExpressionVoter.setExpressionHandler(expressionHandler);

  decisionVoters.add(webExpressionVoter);
  decisionVoters.add(roleHierarchyVoter(roleHierarchy));
  // return new AffirmativeBased(Arrays.asList((AccessDecisionVoter) webExpressionVoter));
  return new AffirmativeBased(decisionVoters);
}

@Bean
public RoleHierarchyVoter roleHierarchyVoter(RoleHierarchy roleHierarchy) {
  System.out.println("arrive public RoleHierarchyVoter roleHierarchyVoter");
  return new RoleHierarchyVoter(roleHierarchy);
}

@Override
protected void configure(HttpSecurity http) throws Exception {
  // skipping some codes
  http
    // skipping some codes
    .accessDecisionManager(defaultAccessDecisionManager(roleHierarchy()))
  // skipping some codes
}

MethodSecurityConfig.java

@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true, proxyTargetClass = true)
public class MethodSecurityConfig extends GlobalMethodSecurityConfiguration {

  @Inject
  private SecurityConfig securityConfig;

  @Override
  protected AuthenticationManager authenticationManager() throws Exception {
    return securityConfig.authenticationManagerBean();
  }

  @Override
  protected MethodSecurityExpressionHandler createExpressionHandler() {
    System.out.println("arrive protected MethodSecurityExpressionHandler createExpressionHandler()");
    DefaultMethodSecurityExpressionHandler d = new DefaultMethodSecurityExpressionHandler();
    d.setRoleHierarchy(securityConfig.roleHierarchy());
    return d;
  }

}

E eu tenho umUserDetailsServiceImpl implements UserDetailsService&nbsp;que fornecem oprincipal, Authentication&nbsp;eGrantedAuthority

Finalmente, tenho algumas APIs:

@PreAuthorize("hasRole('ROLE_STAFF')")
@RequestMapping(value = "/api/v1/contactUs", method = RequestMethod.GET)

@PreAuthorize("hasRole('ROLE_DEVELOPER')")
@RequestMapping(value = "/api/v1/system", method = RequestMethod.GET)

O problema agora é que, se eu entrar como ROLE_STAFF, ROLE_DEVELOPER, ROLE_ADMIN, obtive o seguinte resultado.

| API       | ROLE_STAFF | ROLE_DEVELOPER | ROLE_ADMIN |
|-----------|------------|----------------|------------|
| contactUs | 200        | 403            | 403        |
| system    | 403        | 200            | 403        |

Como você pode verROLE_STAFF&nbsp;eROLE_DEVELOPER&nbsp;funciona muito bem. Mas eu queroROLE_ADMIN&nbsp;como um super papel de ambos e não funcionou.

Para sua informação, estou usando o Spring-security 3.2.5.