La jerarquía de roles de Spring Security no funciona con Java Config

En primer lugar, soy nuevo en Java Spring Framework. Así que perdóname si no proporcioné suficiente información. Intenté agregar RoleHierarchy a mi aplicación pero no funcionó. Debajo están los códigos que he probado.

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;
  }

}

Y tengo unUserDetailsServiceImpl implements UserDetailsService&nbsp;que proporcionan elprincipal, Authentication&nbsp;yGrantedAuthority

Finalmente tengo algunas API:

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

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

El problema ahora es que si inicio sesión como ROLE_STAFF, ROLE_DEVELOPER, ROLE_ADMIN, obtengo el siguiente resultado.

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

Como puedes verROLE_STAFF&nbsp;yROLE_DEVELOPER&nbsp;funciona bien Pero yo quieroROLE_ADMIN&nbsp;como un súper papel de ambos y no funcionó.

FYI, estoy usando spring-security 3.2.5.