try {
                insert(urlQueue);
            } catch (final Exception e) {
                logger.warn("Failed to restore " + urlQueue, e);
            }
        }));
    }

    /**
     * Clears the cache.
     */
    public void clearCache() {
        sessionCache.clear();
    }

                }
            } catch (final LdapConfigurationException e) {
                logger.warn("LDAP configuration error: {}", e.getMessage(), e);
            } catch (final LdapOperationException e) {
                logger.warn("LDAP connection failed: {}", e.getMessage(), e);
            } catch (final Exception e) {
                logger.warn("Unexpected error during LDAP validation: {}", e.getMessage(), e);
            }
        }

        if (bulkRequestBuilder != null) {
            final BulkResponse response = bulkRequestBuilder.execute().actionGet(requestTimeout);
            if (response.hasFailures()) {
                logger.warn("Failed to update scores: {}", response.buildFailureMessage());
            }
            bulkRequestBuilder = null;
        }
    }

    /**
     * Gets the priority of this score booster.

set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.log.name=%APP_NAME%
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.log.path=%FESS_HOME%\logs
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dfess.log.level=warn
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dlasta.env=web
set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Dtomcat.config.path=tomcat_config.properties

REM External opensearch cluster

                                .collect(Collectors.toList());
                    } catch (final Exception e) {
                        logger.warn("Failed to parse passwords for " + url, e);
                        list = Collections.emptyList();
                    }
                    configPasswordMap.put(value, list);
                }

            final String typeDesc = useReading ? "reading " : "";
            if (logger.isDebugEnabled()) {
                logger.warn("Failed to analyze {}{}text: field={}, lang={}, textSize={}", lastPrefix, typeDesc, field, lang, buf.length(),
                        e);
            } else {
                logger.warn("Failed to analyze {}{}text: field={}, lang={}, textSize={}, error={}", lastPrefix, typeDesc, field, lang,

                    return defaultValue;
                }

                return convertObj(paramValue, clazz);
            } catch (final Exception e) {
                logger.warn("Could not load init parameters: " + key + " from " + initParamMap, e);
            }
        }
        return defaultValue;
    }

    /**
     * Converts an object to the specified class type.

                final File file = dfos.getFile();
                try {
                    Files.delete(file.toPath());
                } catch (final IOException e) {
                    logger.warn("Failed to delete {}.", file.getAbsolutePath(), e);
                }
            }
        }

    }

    /**
     * Detects the MIME type of the content.
     *

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

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

                // memoryRegister.deregisterMemory();

                log.debug("DiSNI memory region invalidated");
            } catch (Exception e) {
                log.warn("Error invalidating DiSNI memory region", e);
            } finally {
                memoryRegister = null;
                valid = false;
            }
        }
    }

    @Override