@Component
@Qualifier("delegator")
@Scope(value = "simpleThreadScope", proxyMode = ScopedProxyMode.INTERFACES)
public class AsyncDelegator implements IAsyncDelegator {
    ....
}

@Controller
@RequestMapping("/*")
public class C2GWebController extends AbstractDeferredResultController {

    @Autowired
    @Qualifier("delegator")
    IAsyncDelegator delegator;

    ....
}

@Configuration
@EnableAspectJAutoProxy(proxyTargetClass = true)
@EnableLoadTimeWeaving(aspectjWeaving = EnableLoadTimeWeaving.AspectJWeaving.AUTODETECT)
@ComponentScan("com.digitaslbi.helios")
@EnableAsync
@RequestMapping
@EnableWebMvc
public class Config implements BeanFactoryAware {
    ....
}

Server version: Apache Tomcat/7.0.42
Server built:  Aug 4 2014 03:06:35
Server number:  7.0.42.0
OS Name:        Linux
OS Version:    3.10.0-123.el7.x86_64
Architecture:  amd64
JVM Version:    1.7.0_65-mockbuild_2014_07_14_06_04-b00
JVM Vendor:    Oracle Corporation