* </pre>
 */
public class CrawlingAccessException extends CrawlerSystemException {

    private static final long serialVersionUID = 1L;

    /**
     * Log level constant for debug messages.
     */
    public static final String DEBUG = "DEBUG";

    /**
     * Log level constant for info messages.
     */
    public static final String INFO = "INFO";

    /**
     * Log level constant for warning messages.
     */

                logger.debug("Interrupt {}", runningThread);
            }
            runningThread.interrupt();
            ThreadUtil.sleepQuietly(1000L);
            count++;
        }
    }

    /**
     * Stops the timeout target by setting the running flag to false.
     */
    public void stop() {
        if (logger.isDebugEnabled()) {
            logger.debug("Timeout target has been stopped.");

        if (logger.isDebugEnabled()) {
            if (urlQueue != null && urlQueue.getUrl() != null) {
                logger.debug("{} is not a target url. ({})", urlQueue.getUrl(), threadCheckCount);
            } else {
                logger.debug("The url is null. ({})", threadCheckCount);
            }
        }
    }

    /**
     * Processes crawling exception log events.
     *

                            if (logger.isTraceEnabled()) {
                                logger.trace(msg);
                            } else if (logger.isDebugEnabled()) {
                                logger.debug(msg);
                            } else if (logger.isWarnEnabled()) {
                                logger.warn(msg);
                            } else if (logger.isErrorEnabled()) {

            logger.debug("Delete elevateword. {} elevateword: {}", arraySettings.arraySettingsIndexName, elevateWord);
        }
        arraySettings.delete(ELEVATE_WORD_SETTINGD_KEY, elevateWord);
    }

    /**
     * Delete all elevate words.
     */
    public void deleteAll() {
        if (logger.isDebugEnabled()) {

            if (cause != null && "VersionConflictEngineException".equals(cause.getClass().getSimpleName())) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Failed to insert {}", urlQueue, e);
                }
                return;
            }
            throw e;
        }
    }

    /**

- Configure appropriate JVM heap settings
- Monitor index sizes and optimize mappings
- Use streaming for large data imports

### Debug Logging

Enable debug logging for detailed troubleshooting:

```java
// Add to your logging configuration
logger.debug.org.codelibs.fess.suggest=DEBUG
```

## Contributing

1. Fork the repository
2. Create a feature branch: `git checkout -b feature/amazing-feature`

        this.analyzer = analyzer;
        index = settings.getAsString(SuggestSettings.DefaultKeys.INDEX, StringUtil.EMPTY);
        this.threadPool = threadPool;

        if (logger.isDebugEnabled()) {
            logger.debug("Create suggester instance for {}", index);
        }
    }

    /**
     * Creates a new SuggestRequestBuilder for querying suggestions.
     * @return A SuggestRequestBuilder instance.
     */

            } catch (final Exception e) {
                logger.debug("tikaConfig component is not found.", e);
            }
        }

        if (tikaConfig == null) {
            tikaConfig = TikaConfig.getDefaultConfig();
        }

        if (logger.isDebugEnabled()) {
            final Parser parser = tikaConfig.getParser();
            logger.debug("supportedTypes: {}", parser.getSupportedTypes(new ParseContext()));

                return false;
            }
            return true;
        } catch (final Exception e) {
            // Log the exception at debug level because an invalid URI is not critical and can be ignored.
            logger.debug("Invalid URI: {}", path, e);
        }
        return false;
    }