if (logger.isDebugEnabled()) {
                logger.debug("tikaExtractor is not found: {}", e.getMessage().replace('\n', ' '));
            }
        } catch (final Exception e) {
            logger.warn("Failed to initiaize TikaExtractor.", e);
        }
    }

    /**
     * Processes and normalizes a document title.
     * Applies text normalization using configured space characters and returns

                try {
                    final String encoded = serializeParameters(parameters);
                    if (encoded.length() > fessConfig.getCookieSearchParameterMaxLengthAsInteger()) {
                        logger.warn("Encoded search parameters exceed the maximum cookie length: {} > {}. Skipping cookie storage.",
                                encoded.length(), fessConfig.getCookieSearchParameterMaxLengthAsInteger());
                        return;

            return null;
        });
        try (InputStream inputStream = form.stopwordsFile.getInputStream()) {
            file.update(inputStream);
        } catch (final IOException e) {
            logger.warn("Failed to process a request.", e);
            throwValidationErrorApi(messages -> messages.addErrorsFailedToUploadStopwordsFile(GLOBAL));
        }

                    // Remove failed handle
                    handles.remove(path);
                    guidToHandle.remove(info.getCreateGuid());
                    removePersistedHandle(info);
                    log.warn("Reconnection failed, removed handle for: {}", path);
                }
            }
        } finally {
            lock.writeLock().unlock();
        }
    }

    /**
     * Release a handle

                                            <la:option value="ERROR">ERROR</la:option>
                                            <la:option value="WARN">WARN</la:option>
                                            <la:option value="INFO">INFO</la:option>
                                            <la:option value="DEBUG">DEBUG</la:option>

            switch (entry.severity) {
            case CRITICAL:
            case ERROR:
                auditLog.error(jsonStr);
                break;
            case WARNING:
                auditLog.warn(jsonStr);
                break;
            default:
                auditLog.info(jsonStr);
            }
        } catch (Exception e) {
            log.error("Failed to serialize audit entry to JSON", e);

            bufferIndex += 2;

            // Validate known algorithms
            if (!isValidCompressionAlgorithm(this.compressionAlgorithms[i])) {
                log.warn("Unknown compression algorithm: 0x{}", Integer.toHexString(this.compressionAlgorithms[i]));
            }
        }

        return bufferIndex - start;
    }

    @Override
    public int size() {

                        if (file != null) {
                            return file;
                        }
                    }
                } catch (final Exception e) {
                    logger.warn("Failed to load {}", fileMap, e);
                }
                return null;
            }).filter(file -> file != null).toArray(n -> new DictionaryFile<?>[n]);
        } catch (final IOException e) {

            if (ne == null) {
                doClose();
                return n;
            }
            this.next = ne;
        } catch (final CIFSException e) {
            log.warn("Enumeration failed", e);
            this.next = null;
            try {
                doClose();
            } catch (final CIFSException e1) {
                log.debug("Failed to close enum", e);
            }

        if (StringUtil.isNotBlank(value)) {
            try {
                readInterval = Long.parseLong(value);
            } catch (final NumberFormatException e) {
                logger.warn("Invalid read interval: {}", value);
            }
        }
        return readInterval;
    }

    /**
     * Sleep for the specified interval.
     * @param interval The interval.
     */