[RESOLVIDO] Problema no ActionContext.getContext().getSession() do Struts 2

public class AuditoriaListener implements RevisionListener {

	@Override
	public void newRevision(Object arg0) {
		AuditoriaRevEntity auditoriaRevEntity = (AuditoriaRevEntity) arg0;

//		Map<String, Object> sessao = ActionContext.getContext().getSession();
//		Usuario usuarioLogado = (Usuario) sessao.get("usuarioLogado");
//		auditoriaRevEntity.setLogin(usuarioLogado.getLogin());
		
		auditoriaRevEntity.setLogin("usuário logado");
	}
}

ActionContext context = ActionContext.getContext();		
Map<String, Object> session = context.getSession();

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.hibernate.envers.RevisionListener;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

public class AuditoriaListener implements RevisionListener{
	
	public void newRevision(Object revisionEntity) {
		
		String ip = getRequest().getRemoteAddr().toString();
		Usuario usuario = (Usuario)getSession().getAttribute("usuarioLogado");
		
		Revisao revisao = (Revisao) revisionEntity;
		revisao.setIp(ip);
		revisao.setUsuario(usuario.getPessoa().getMatricula());
	}
	
    private HttpServletRequest getRequest() {
        ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        return requestAttributes.getRequest();
    }

    private HttpSession getSession() {
        return getRequest().getSession();
    }
	
}

public class AuthenticationContextFilter implements AfterConsequenceFilter {
	private ThreadLocal<Object> userThreadLocal = new ThreadLocal<Object>();
 
	@Override
	public String filter(InvocationChain chain) throws Exception {
		Context context =  chain.getAction().getSession();
		userThreadLocal.set(BaseLoginAction.getUserSession(context));
		return chain.invoke();
	}
	
	@Override
	public void afterConsequence(Action action, Consequence c,boolean conseqExecuted, boolean actionExecuted, String result) {
		userThreadLocal.set(null);
	}

	@Override
	public void destroy() {
	}
	
	public Object getUserSession() {
		return userThreadLocal.get();
	}

}

/**
 * Listener do Hibernate Envers, que registra o usuário logado.
 * A Classe de auditoria da aplicação (anotada com @RevisionEntity) deve extender {@link AuditRevisionEntity} para que possa 
 * ser setado o usuário logado, no momento da alteração de alguma entidade.
 * 
 * @author Ricardo JL Rufino
 * @serial 1.2.2
 * @date 09/04/2011
 */
public class AuditRevisionListener implements RevisionListener {
	
	private static final Logger logger = LoggerFactory.getLogger(AuditRevisionListener.class);

	@Override
	public void newRevision(Object revisionEntity) {
		
		if( ! (revisionEntity instanceof AuditRevisionEntity)) throw new AuditException("Class annoted with @RevisionEntity shold extend AuditRevisionEntity !");
		
		if(ApplicationManager.getInstance() == null){
			logger.warn("ApplicationManager not initialized !");
			return;
		}
		
		List<Filter> filters = ApplicationManager.getInstance().getGlobalFilters();
		for (Filter filter : filters) {
			if(filter instanceof AuthenticationContextFilter ){
				AuthenticationContextFilter contextFilter = (AuthenticationContextFilter) filter;
				
				// Entidade usada pra identificar quem fez a alteração no Objeto.
				AuditRevisionEntity entity = (AuditRevisionEntity) revisionEntity;
				
				Object object = contextFilter.getUserSession();
				
				try {
					if(object != null){
						long id = Long.parseLong(InjectionUtils.getProperty(object, Identity.USER_ID_PROPERTY));
						entity.setUserID(id);
					}
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		}
	}

}

package tarefas.interceptor;

import tarefas.modelo.Usuario;

import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.Interceptor;

public class AutorizadorInterceptor implements Interceptor {

	/**
	 * 
	 */
	private static final long serialVersionUID = 5019156825527658895L;
	private static final ThreadLocal<Usuario> userThreadLocal = new ThreadLocal<Usuario>();

	@Override
	public void destroy() {
		userThreadLocal.set(null);
	}

	@Override
	public void init() {
		// TODO Auto-generated method stub

	}

	@Override
	public String intercept(ActionInvocation invocation) throws Exception {

		Usuario usuarioLogado = (Usuario) invocation.getInvocationContext().getSession().get("usuarioLogado");
		if (usuarioLogado == null) {
			return "naoLogado";
		}

		userThreadLocal.set(usuarioLogado);
		return invocation.invoke();
	}

	public static Usuario getUserSession() {
		return userThreadLocal.get();
	}
}

package tarefas.auditoria;

import org.hibernate.envers.RevisionListener;

import tarefas.interceptor.AutorizadorInterceptor;
import tarefas.modelo.Usuario;

public class AuditoriaListener implements RevisionListener {

	@Override
	public void newRevision(Object arg0) {
		AuditoriaRevEntity auditoriaRevEntity = (AuditoriaRevEntity) arg0;

		Usuario usuarioLogado = AutorizadorInterceptor.getUserSession();

		auditoriaRevEntity.setLogin(usuarioLogado.getLogin());
	}
}