#vulnerable code 
                                private R getRequestResponseResult(final Message message) {
        final Integer status = MessageHelper.getApplicationProperty(
                message.getApplicationProperties(),
                MessageHelper.APP_PROPERTY_STATUS,
                Integer.class);
        final String payload = MessageHelper.getPayload(message);
        final CacheDirective cacheDirective = CacheDirective.from(MessageHelper.getCacheDirective(message));

        return getResult(status, payload, cacheDirective);
    } 
                            #location 9 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                private R getRequestResponseResult(final Message message) {

        final Integer status = MessageHelper.getApplicationProperty(
                message.getApplicationProperties(),
                MessageHelper.APP_PROPERTY_STATUS,
                Integer.class);
        if (status == null) {
            return null;
        } else {
            final String payload = MessageHelper.getPayload(message);
            final CacheDirective cacheDirective = CacheDirective.from(MessageHelper.getCacheDirective(message));

            return getResult(status, payload, cacheDirective);
        }
    }