try (BufferedReader reader =
                    new BufferedReader(new InputStreamReader(new GZIPInputStream(new ByteArrayInputStream(decode)), Constants.UTF_8))) {
                return ReaderUtil.readText(reader);
            } catch (final IOException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to decode {}", hash, e);
                }
            }
        }

                            .duplicateTermRemoved(replaceDuplication)
                            .spaceChars(spaceChars)
                            .execute();
                }
                return ReaderUtil.readText(reader);
            }
        } catch (final TikaException e) {
            throw e;
        } catch (final Exception e) {
            throw new ExtractException("Failed to read a content.", e);

        FileUtil.writeBytes(designJspFile.getAbsolutePath(), "ok".getBytes());
        fileList = systemHelper.refreshDesignJspFiles();
        assertEquals(1, fileList.size());
        assertEquals("ok", FileUtil.readText(fileList.get(0).toFile()));
    }

    public void test_updateSystemProperties() {
        final SystemHelper helper = new SystemHelper();

        if (indexMappings == null || !indexMappings.containsKey("properties")) {
            final AcknowledgedResponse putMappingResponse = fesenClient.get(c -> {
                final String source = FileUtil.readText("mapping/" + mappingName + ".json");
                return c.admin().indices().preparePutMapping(index).setSource(source, XContentType.JSON).execute();
            });
            if (putMappingResponse.isAcknowledged()) {