* Related content settings define content relationships and associations for search results.
 */
public class ApiAdminRelatedcontentAction extends FessApiAdminAction {

    private static final Logger logger = LogManager.getLogger(ApiAdminRelatedcontentAction.class);

    // ===================================================================================

            } catch (final Exception e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to select a job by {}", id, e);
                }
                lastException = e;
                ThreadUtil.sleep(RandomUtils.nextLong(500, 5000));
            }
        }
        logger.warn("Failed to select a job by {}", id, lastException);
        return OptionalEntity.empty();

                if (statusCode >= 400 && statusCode < 500) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Failed to access Web API.", e);
                    }
                } else {
                    logger.warn("Failed to access Web API.", e);
                }
                message = e.getMessage();
            } else {

        if (logger.isDebugEnabled()) {
            smb1AuthList.forEach(smb1Auth -> logger
                    .debug("Smb1Authentication: " + smb1Auth.getServer() + ":" + smb1Auth.getPort() + " " + smb1Auth.getUsername()));
        }
        paramMap.put(Param.Client.FTP_AUTHENTICATIONS, ftpAuthList.toArray(new FtpAuthentication[ftpAuthList.size()]));
        if (logger.isDebugEnabled()) {

                if (logger.isDebugEnabled()) {
                    logger.debug("Loading KeyMatch Query: {}, Size: {}", keyMatch.getQuery(), keyMatch.getMaxSize());
                }
                getDocumentList(keyMatch).stream().map(doc -> {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Loaded KeyMatch doc: {}", doc);
                    }

        } catch (final InvalidQueryException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Invalid query: {}", body.q, e);
            }
            throwValidationErrorApi(e.getMessageCode());
        } catch (final ResultOffsetExceededException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Invalid offset: {}", body.offset, e);
            }

    // ===================================================================================
    //                                                                            Constant
    //
    private static final Logger logger = LogManager.getLogger(AdminWizardAction.class);

    // ===================================================================================

    @PreDestroy
    public void destroy() {
        for (final String sessionId : runningProcessMap.keySet()) {
            if (logger.isInfoEnabled()) {
                logger.info("Stopping process {}", sessionId);
            }
            if (destroyProcess(sessionId) == 0 && logger.isInfoEnabled()) {
                logger.info("Stopped process {}", sessionId);
            }
        }
    }

    /**

                    if (logger.isDebugEnabled()) {
                        logger.debug("Path {} matches the exclude path expression {} on {} of label.", path, excludedPaths, value);
                    }
                    return false;
                }
                if (logger.isDebugEnabled()) {

            final String sanitizedHtml = htmlSanitizer.sanitize(html);

            if (logger.isDebugEnabled()) {
                logger.debug("Rendered markdown. inputLength={}, outputLength={}", markdown.length(), sanitizedHtml.length());
            }

            return sanitizedHtml;
        } catch (final Exception e) {
            logger.warn("Failed to render markdown, returning escaped plain text. error={}", e.getMessage());