public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
final List<ServiceController<?>> controllers = new ArrayList<ServiceController<?>>();
final ServiceVerificationHandler verificationHandler = new ServiceVerificationHandler();
final PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
final String name = address.getLastElement().getValue();
final ServiceRegistry serviceRegistry = context.getServiceRegistry(false);
@SuppressWarnings("unchecked")
final ServiceController<Handler> controller = (ServiceController<Handler>) serviceRegistry.getService(LogServices.handlerName(name));
if (controller != null) {
@SuppressWarnings("unchecked")
final T handler = (T) controller.getValue();
final ModelNode level = LEVEL.resolveModelAttribute(context, model);
final ModelNode formatter = FORMATTER.resolveModelAttribute(context, model);