thumbnailQueueThread.join(10000);
        } catch (final InterruptedException e) {
            logger.warn("Thumbnail thread timed out.", e);
        }
        generatorList.forEach(g -> {
            try {
                g.destroy();
            } catch (final Exception e) {
                logger.warn("Failed to stop thumbnail generator.", e);
            }
        });
    }

    /**

                    final File directory;
                    try {
                        directory = new File(resource.toURI());
                    } catch (final URISyntaxException e) {
                        logger.warn("Invalid URI for resource: url={}", resource, e);
                        continue;
                    }
                    if (directory.exists() && directory.isDirectory()) {

                    badWordService.exportCsv(writer);
                } catch (final Exception e) {
                    logger.warn("Failed to process a request.", e);
                    throwValidationError(messages -> messages.addErrorsFailedToDownloadBadwordFile(GLOBAL), this::asDownloadHtml);
                }

            try {
                duplicateHostService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }

            // we skip handleException above as we did output
            throw new InvokerException.ExitException(1);
        }

        // warn about deprecated options
        context.options().warnAboutDeprecatedOptions(context.invokerRequest.parserRequest(), context.logger::warn);
    }

    protected void pushCoreProperties(C context) throws Exception {
        System.setProperty(
                Constants.MAVEN_HOME,

            try {
                scheduledJobService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }

                    log.debug("NtlmHttpFilter: " + ntlm + " successfully authenticated against " + dc);
                }
            } catch (final SmbAuthException sae) {
                log.warn("NtlmHttpFilter: " + ntlm.getName() + ": 0x" + jcifs.util.Hexdump.toHexString(sae.getNtStatus(), 8) + ": " + sae);
                if (sae.getNtStatus() == NtStatus.NT_STATUS_ACCESS_VIOLATION) {
                    /*

                        + " (" + repository.getUrl() + "): " + e.getMessage();

                if (logger.isDebugEnabled()) {
                    logger.warn(msg, e);
                } else {
                    logger.warn(msg);
                }
            }
        }

        // if it already exists locally we were just trying to force it - ignore the update

log4j.rootLogger=WARN,STDOUT
log4j.appender.STDOUT=org.apache.log4j.ConsoleAppender
log4j.appender.STDOUT.ImmediateFlush=true
log4j.appender.STDOUT.layout=org.apache.log4j.PatternLayout
log4j.appender.STDOUT.layout.ConversionPattern=%-5p %d [%t] %m%n

                logger.warn("Could not add document: url field is missing or null");
                return;
            }

            final String url = dataMap.get(fessConfig.getIndexFieldUrl()).toString();
            final CrawlerClient client = crawlerClientFactory.getClient(url);
            if (client == null) {