ExecutionListener listener = new ExecutionEventLogger(context.invokerRequest.messageBuilderFactory());
        if (context.eventSpyDispatcher != null) {
            listener = context.eventSpyDispatcher.chainListener(listener);
        }
        return new LoggingExecutionListener(listener, determineBuildEventListener(context));
    }

        ExecutionListener executionListener = new ExecutionEventLogger(messageBuilderFactory);
        if (eventSpyDispatcher != null) {
            return eventSpyDispatcher.chainListener(executionListener);
        } else {
            return executionListener;
        }
    }

    private String determineReactorFailureBehaviour(final CommandLine commandLine) {