.pluginTypes("org.codelibs.opensearch.extension.ExtensionPlugin"));
        runner.ensureYellow();
    }

    @AfterClass
    public static void afterClass() throws Exception {
        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        try {
            runner.admin().indices().prepareDelete("_all").execute().actionGet();

     * Destroys the HTTP client.
     */
    @PreDestroy
    public void destroy() {
        if (httpClient != null) {
            try {
                httpClient.close();
            } catch (final IOException e) {
                logger.error("Failed to close httpClient.", e);
            }
        }
    }

    /**
     * Extracts text from the input stream using the API endpoint.
     *

        oos.writeObject(testRule);
        oos.close();

        // Deserialize
        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        ObjectInputStream ois = new ObjectInputStream(bais);
        TestAbstractRule deserializedRule = (TestAbstractRule) ois.readObject();
        ois.close();

        // Verify

        } catch (final Exception e) {
            throw new ExtractException("Could not extract a content.", e);
        } finally {
            if (lhaFile != null) {
                try {
                    lhaFile.close();
                } catch (final IOException e) {
                    // ignore
                }
            }
            FileUtil.deleteInBackground(tempFile);
        }

                        .pluginTypes("org.codelibs.opensearch.extension.ExtensionPlugin"));
        runner.ensureYellow();
    }

    @AfterClass
    public static void afterClass() throws Exception {
        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        try {
            runner.admin().indices().prepareDelete("_all").execute().actionGet();

                        .pluginTypes("org.codelibs.opensearch.extension.ExtensionPlugin"));
        runner.ensureYellow();
    }

    @AfterClass
    public static void afterClass() throws Exception {
        runner.close();
        runner.clean();
    }

    @Before
    public void before() throws Exception {
        try {
            runner.admin().indices().prepareDelete("_all").execute().actionGet();

            oos.writeObject(original);
            oos.close();

            // Deserialize
            ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
            ObjectInputStream ois = new ObjectInputStream(bais);
            CrawlerStatus deserialized = (CrawlerStatus) ois.readObject();
            ois.close();

            // Verify - enum instances are singletons

            }
        }
        smbAuthenticationHolder = holder;
    }

    @Override
    public void close() throws Exception {
        smbAuthenticationHolder = null;
        if (cifsContext != null) {
            cifsContext.close();
        }
    }

    /*
     * (non-Javadoc)
     *
     * @see org.codelibs.fess.crawler.client.CrawlerClient#doGet(java.lang.String)

            connectionMonitorTask.cancel();
        }
        if (httpClient != null) {
            try {
                httpClient.close();
            } catch (final IOException e) {
                logger.error("Failed to close httpClient.", e);
            }
            httpClient = null;
            if (clientConnectionManager != null) {
                clientConnectionManager.shutdown();
            }
        }

        oos.writeObject(original);
        oos.close();

        // Deserialize
        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        ObjectInputStream ois = new ObjectInputStream(bais);
        CrawlerSystemException deserialized = (CrawlerSystemException) ois.readObject();
        ois.close();

        // Verify
        assertNotNull(deserialized);