assertNotNull(deserialized.getCause());
        assertEquals(original.getCause().getMessage(), deserialized.getCause().getMessage());
        assertEquals(original.getCause().getClass(), deserialized.getCause().getClass());
    }

    /**
     * Test throwing and catching the exception
     */
    public void test_throwAndCatch() {
        try {

     */
    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        RequestData other = (RequestData) obj;
        return method == other.method && Objects.equals(url, other.url)

        } catch (final OfficeException e) {
            throw new CrawlerSystemException("Failed to start officeManager.", e);
        }
        if (logger.isDebugEnabled()) {
            logger.debug(officeManager.getClass().getSimpleName() + " is started.");
        }
    }

    /**
     * Destroys the extractor by stopping the office manager.
     *
     * @throws CrawlerSystemException if the office manager fails to stop

        } else {
            extractorMap.put(key, new Extractor[] { extractor });
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Loaded {} : {}", key, extractor.getClass().getName());
        }
    }

    /**
     * Adds an extractor to the factory for all keys in the provided list.
     *
     * @param keyList the list of keys to associate with the extractor

                    requestDataSet.add(RequestDataBuilder.newRequestData().get().url(sitemap.getLoc()).build()); // TODO priority
                }
            }
            throw new ChildUrlsException(requestDataSet, this.getClass().getName() + "#process");
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

                    logger.debug("Using {} for detected MIME type {}, not {}", extractor.getClass().getName(), detectedMimeType, mimeType);
                }
            } else if (logger.isDebugEnabled()) {
                logger.debug("Using {} for MIME type {}", extractor.getClass().getName(), mimeType);
            }

            if (maxContentLength < 0) {

                        }
                    }
                }
                throw new ChildUrlsException(requestDataSet, this.getClass().getName() + "#getResponseData");
            } else {
                responseData.setHttpStatusCode(Constants.NOT_FOUND_STATUS_CODE);
                responseData.setCharSet(charset);

    private String getDefaultMappings() throws IOException {
        final StringBuilder mappingSource = new StringBuilder();
        try (BufferedReader br = new BufferedReader(new InputStreamReader(
                this.getClass().getClassLoader().getResourceAsStream("suggest_indices/suggest/mappings-default.json")))) {

            String line;
            while ((line = br.readLine()) != null) {
                mappingSource.append(line);

        final StringBuilder sb = new StringBuilder();
        try (BufferedReader br =
                new BufferedReader(new InputStreamReader(this.getClass().getClassLoader().getResourceAsStream(getSuggestAnalyzerPath())))) {

            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
        }

         * and the destroyer function if present.
         */
        protected void destroy() {
            final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(instance.getClass());
            for (final String methodName : beanDesc.getMethodNames()) {
                final MethodDesc methodDesc = beanDesc.getMethodDescNoException(methodName);
                if (methodDesc != null) {