tempFile = File.createTempFile("test", ".tmp", Curl.tmpDir);

        // Write test content to file
        try (FileOutputStream fos = new FileOutputStream(tempFile)) {
            fos.write(testContent.getBytes("UTF-8"));
        }

        ContentCache cache = new ContentCache(tempFile);

        try (InputStream stream = cache.getInputStream()) {
            assertNotNull(stream);

            assertNull(responseData.getMetaDataMap().get("label"));
        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = s3Client.doHead("s3://fess/dir1/dir2/")) {

            assertNull(responseData.getMetaDataMap().get("label"));
        }
        try (final ResponseData responseData = gcsClient.doHead("gcs://fess/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = gcsClient.doHead("gcs://fess/dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = gcsClient.doHead("gcs://fess/dir1/dir2/")) {

        // Create a temporary file with test data
        File tempFile = File.createTempFile("test-", ".tmp");
        try (FileOutputStream fos = new FileOutputStream(tempFile)) {
            fos.write("Test data".getBytes());
        }

        // Read from TemporaryFileInputStream
        try (TemporaryFileInputStream stream = new TemporaryFileInputStream(tempFile)) {
            assertEquals('T', stream.read());

        when(crawlerContainer.getComponent("sitemapsHelper")).thenReturn(sitemapsHelper);
        try {
            when(sitemapsHelper.parse(any(InputStream.class))).thenReturn(sitemapSet);
        } catch (Exception e) {
            fail("Should not throw exception in test setup");
        }

        // Execute and verify ChildUrlsException is thrown
        try {
            processor.process(responseData);

    }

    @Override
    public synchronized void insert(final ProtwordsItem item) {
        try (ProtwordsUpdater updater = new ProtwordsUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final ProtwordsItem item) {
        try (ProtwordsUpdater updater = new ProtwordsUpdater(item)) {
            reload(updater);
        }
    }

    }

    @Override
    public synchronized void insert(final KuromojiItem item) {
        try (KuromojiUpdater updater = new KuromojiUpdater(item)) {
            reload(updater);
        }
    }

    @Override
    public synchronized void update(final KuromojiItem item) {
        try (KuromojiUpdater updater = new KuromojiUpdater(item)) {
            reload(updater);
        }
    }

         */
        @Override
        public void close() {
            try {
                writer.flush();
            } catch (final IOException e) {
                // ignore
            }
            CloseableUtil.closeQuietly(writer);

            if (isCommit) {
                try {
                    dictionaryManager.store(CharMappingFile.this, newFile);
                } finally {

        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir1/")) {
            assertNull(responseData);
        }
        try (final ResponseData responseData = storageClient.doHead("storage://fess/dir1/dir2/")) {

        }
    }

    /**
     * Test that try-with-resources handles null InputStream correctly.
     * Verifies that null InputStream doesn't cause NullPointerException during close.
     */
    @Test
    public void testTryWithResources_nullInputStreamSafety() {
        // This test demonstrates that try-with-resources handles null safely
        try (InputStream is = null) {
            if (is == null) {