# Constant Field Values

## Contents

- org.apache.*

## org.apache.*

- org.apache.nutch.collection.CollectionManager
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DEFAULT_FILE_NAME`
  `"subcollections.xml"`
- org.apache.nutch.collection.Subcollection
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `TAG_BLACKLIST`
  `"blacklist"`
  `public static final String`
  `TAG_COLLECTION`
  `"subcollection"`
  `public static final String`
  `TAG_COLLECTIONS`
  `"subcollections"`
  `public static final String`
  `TAG_ID`
  `"id"`
  `public static final String`
  `TAG_KEY`
  `"key"`
  `public static final String`
  `TAG_NAME`
  `"name"`
  `public static final String`
  `TAG_WHITELIST`
  `"whitelist"`

- org.apache.nutch.crawl.CrawlDatum
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `FETCH_DIR_NAME`
  `"crawl_fetch"`
  `public static final String`
  `GENERATE_DIR_NAME`
  `"crawl_generate"`
  `public static final String`
  `PARSE_DIR_NAME`
  `"crawl_parse"`
  `public static final byte`
  `STATUS_DB_DUPLICATE`
  `0x7`
  `public static final byte`
  `STATUS_DB_FETCHED`
  `0x2`
  `public static final byte`
  `STATUS_DB_GONE`
  `0x3`
  `public static final byte`
  `STATUS_DB_MAX`
  `0x1f`
  `public static final byte`
  `STATUS_DB_NOTMODIFIED`
  `0x6`
  `public static final byte`
  `STATUS_DB_ORPHAN`
  `0x8`
  `public static final byte`
  `STATUS_DB_PARSE_FAILED`
  `0x9`
  `public static final byte`
  `STATUS_DB_REDIR_PERM`
  `0x5`
  `public static final byte`
  `STATUS_DB_REDIR_TEMP`
  `0x4`
  `public static final byte`
  `STATUS_DB_UNFETCHED`
  `0x1`
  `public static final byte`
  `STATUS_FETCH_GONE`
  `0x25`
  `public static final byte`
  `STATUS_FETCH_MAX`
  `0x3f`
  `public static final byte`
  `STATUS_FETCH_NOTMODIFIED`
  `0x26`
  `public static final byte`
  `STATUS_FETCH_REDIR_PERM`
  `0x24`
  `public static final byte`
  `STATUS_FETCH_REDIR_TEMP`
  `0x23`
  `public static final byte`
  `STATUS_FETCH_RETRY`
  `0x22`
  `public static final byte`
  `STATUS_FETCH_SUCCESS`
  `0x21`
  `public static final byte`
  `STATUS_INJECTED`
  `0x42`
  `public static final byte`
  `STATUS_LINKED`
  `0x43`
  `public static final byte`
  `STATUS_PARSE_FAILED`
  `0x45`
  `public static final byte`
  `STATUS_PARSE_META`
  `0x44`
  `public static final byte`
  `STATUS_SIGNATURE`
  `0x41`
- org.apache.nutch.crawl.CrawlDb
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CRAWLDB_ADDITIONS_ALLOWED`
  `"db.update.additions.allowed"`
  `public static final String`
  `CRAWLDB_PURGE_404`
  `"db.update.purge.404"`
  `public static final String`
  `CRAWLDB_PURGE_ORPHANS`
  `"db.update.purge.orphans"`
  `public static final String`
  `CURRENT_NAME`
  `"current"`
  `public static final String`
  `LOCK_NAME`
  `".locked"`
- org.apache.nutch.crawl.CrawlDbFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URL_FILTERING`
  `"crawldb.url.filters"`
  `public static final String`
  `URL_NORMALIZING`
  `"crawldb.url.normalizers"`
  `public static final String`
  `URL_NORMALIZING_SCOPE`
  `"crawldb.url.normalizers.scope"`
- org.apache.nutch.crawl.DeduplicationJob
  Modifier and Type
  Constant Field
  Value
  `protected static final String`
  `DEDUPLICATION_COMPARE_ORDER`
  `"deduplication.compare.order"`
  `protected static final String`
  `DEDUPLICATION_GROUP_MODE`
  `"deduplication.group.mode"`
- org.apache.nutch.crawl.FetchSchedule
  Modifier and Type
  Constant Field
  Value
  `public static final int`
  `SECONDS_PER_DAY`
  `86400`
  `public static final int`
  `STATUS_MODIFIED`
  `1`
  `public static final int`
  `STATUS_NOTMODIFIED`
  `2`
  `public static final int`
  `STATUS_UNKNOWN`
  `0`
- org.apache.nutch.crawl.Generator
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `GENERATE_UPDATE_CRAWLDB`
  `"generate.update.crawldb"`
  `public static final String`
  `GENERATOR_COUNT_MODE`
  `"generate.count.mode"`
  `public static final String`
  `GENERATOR_COUNT_VALUE_DOMAIN`
  `"domain"`
  `public static final String`
  `GENERATOR_COUNT_VALUE_HOST`
  `"host"`
  `public static final String`
  `GENERATOR_CUR_TIME`
  `"generate.curTime"`
  `public static final String`
  `GENERATOR_DELAY`
  `"crawl.gen.delay"`
  `public static final String`
  `GENERATOR_EXPR`
  `"generate.expr"`
  `public static final String`
  `GENERATOR_FETCH_DELAY_EXPR`
  `"generate.fetch.delay.expr"`
  `public static final String`
  `GENERATOR_FILTER`
  `"generate.filter"`
  `public static final String`
  `GENERATOR_HOSTDB`
  `"generate.hostdb"`
  `public static final String`
  `GENERATOR_MAX_COUNT`
  `"generate.max.count"`
  `public static final String`
  `GENERATOR_MAX_COUNT_EXPR`
  `"generate.max.count.expr"`
  `public static final String`
  `GENERATOR_MAX_NUM_SEGMENTS`
  `"generate.max.num.segments"`
  `public static final String`
  `GENERATOR_MIN_INTERVAL`
  `"generate.min.interval"`
  `public static final String`
  `GENERATOR_MIN_SCORE`
  `"generate.min.score"`
  `public static final String`
  `GENERATOR_NORMALISE`
  `"generate.normalise"`
  `public static final String`
  `GENERATOR_RESTRICT_STATUS`
  `"generate.restrict.status"`
  `public static final String`
  `GENERATOR_TOP_N`
  `"generate.topN"`
- org.apache.nutch.crawl.Injector
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URL_FILTER_NORMALIZE_ALL`
  `"crawldb.inject.filter.normalize.all"`
- org.apache.nutch.crawl.Injector.InjectMapper
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `EQUAL_CHARACTER`
  `"="`
  `public static final String`
  `TAB_CHARACTER`
  `"\t"`
  `public static final String`
  `URL_NORMALIZING_SCOPE`
  `"crawldb.url.normalizers.scope"`
- org.apache.nutch.crawl.LinkDb
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CURRENT_NAME`
  `"current"`
  `public static final String`
  `IGNORE_EXTERNAL_LINKS`
  `"linkdb.ignore.external.links"`
  `public static final String`
  `IGNORE_INTERNAL_LINKS`
  `"linkdb.ignore.internal.links"`
  `public static final String`
  `LOCK_NAME`
  `".locked"`
- org.apache.nutch.crawl.LinkDbFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URL_FILTERING`
  `"linkdb.url.filters"`
  `public static final String`
  `URL_NORMALIZING`
  `"linkdb.url.normalizer"`
  `public static final String`
  `URL_NORMALIZING_SCOPE`
  `"linkdb.url.normalizer.scope"`
- org.apache.nutch.crawl.MimeAdaptiveFetchSchedule
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `SCHEDULE_DEC_RATE`
  `"db.fetch.schedule.adaptive.dec_rate"`
  `public static final String`
  `SCHEDULE_INC_RATE`
  `"db.fetch.schedule.adaptive.inc_rate"`
  `public static final String`
  `SCHEDULE_MIME_FILE`
  `"db.fetch.schedule.mime.file"`
- org.apache.nutch.crawl.URLPartitioner
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `PARTITION_MODE_DOMAIN`
  `"byDomain"`
  `public static final String`
  `PARTITION_MODE_HOST`
  `"byHost"`
  `public static final String`
  `PARTITION_MODE_IP`
  `"byIP"`
  `public static final String`
  `PARTITION_MODE_KEY`
  `"partition.url.mode"`

- org.apache.nutch.fetcher.Fetcher
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CONTENT_REDIR`
  `"content"`
  `public static final int`
  `PERM_REFRESH_TIME`
  `5`
  `public static final String`
  `PROTOCOL_REDIR`
  `"protocol"`
- org.apache.nutch.fetcher.FetchItemQueues
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DEFAULT_ID`
  `"default"`
  `public static final String`
  `QUEUE_MODE_DOMAIN`
  `"byDomain"`
  `public static final String`
  `QUEUE_MODE_HOST`
  `"byHost"`
  `public static final String`
  `QUEUE_MODE_IP`
  `"byIP"`

- org.apache.nutch.hostdb.ReadHostDb
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `HOSTDB_DUMP_HEADER`
  `"hostdb.dump.field.header"`
  `public static final String`
  `HOSTDB_DUMP_HOMEPAGES`
  `"hostdb.dump.homepages"`
  `public static final String`
  `HOSTDB_DUMP_HOSTNAMES`
  `"hostdb.dump.hostnames"`
  `public static final String`
  `HOSTDB_FILTER_EXPRESSION`
  `"hostdb.filter.expression"`
- org.apache.nutch.hostdb.UpdateHostDb
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `HOSTDB_CHECK_FAILED`
  `"hostdb.check.failed"`
  `public static final String`
  `HOSTDB_CHECK_KNOWN`
  `"hostdb.check.known"`
  `public static final String`
  `HOSTDB_CHECK_NEW`
  `"hostdb.check.new"`
  `public static final String`
  `HOSTDB_CRAWLDATUM_PROCESSORS`
  `"hostdb.crawldatum.processors"`
  `public static final String`
  `HOSTDB_FORCE_CHECK`
  `"hostdb.force.check"`
  `public static final String`
  `HOSTDB_NUM_RESOLVER_THREADS`
  `"hostdb.num.resolvers.threads"`
  `public static final String`
  `HOSTDB_NUMERIC_FIELDS`
  `"hostdb.numeric.fields"`
  `public static final String`
  `HOSTDB_PERCENTILES`
  `"hostdb.percentiles"`
  `public static final String`
  `HOSTDB_PURGE_FAILED_HOSTS_THRESHOLD`
  `"hostdb.purge.failed.hosts.threshold"`
  `public static final String`
  `HOSTDB_RECHECK_INTERVAL`
  `"hostdb.recheck.interval"`
  `public static final String`
  `HOSTDB_STRING_FIELDS`
  `"hostdb.string.fields"`
  `public static final String`
  `HOSTDB_URL_FILTERING`
  `"hostdb.url.filter"`
  `public static final String`
  `HOSTDB_URL_LIMIT`
  `"hostdb.url.limit"`
  `public static final String`
  `HOSTDB_URL_NORMALIZING`
  `"hostdb.url.normalize"`
  `public static final String`
  `LOCK_NAME`
  `".locked"`

- org.apache.nutch.indexer.IndexerMapReduce
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `INDEXER_BINARY_AS_BASE64`
  `"indexer.binary.base64"`
  `public static final String`
  `INDEXER_DELETE`
  `"indexer.delete"`
  `public static final String`
  `INDEXER_DELETE_ROBOTS_NOINDEX`
  `"indexer.delete.robots.noindex"`
  `public static final String`
  `INDEXER_DELETE_SKIPPED`
  `"indexer.delete.skipped.by.indexingfilter"`
  `public static final String`
  `INDEXER_NO_COMMIT`
  `"indexer.nocommit"`
  `public static final String`
  `INDEXER_PARAMS`
  `"indexer.additional.params"`
  `public static final String`
  `INDEXER_SKIP_NOTMODIFIED`
  `"indexer.skip.notmodified"`
  `public static final String`
  `URL_FILTERING`
  `"indexer.url.filters"`
  `public static final String`
  `URL_NORMALIZING`
  `"indexer.url.normalizers"`
- org.apache.nutch.indexer.IndexingFilters
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `INDEXINGFILTER_ORDER`
  `"indexingfilter.order"`
- org.apache.nutch.indexer.NutchDocument
  Modifier and Type
  Constant Field
  Value
  `public static final byte`
  `VERSION`
  `0x2`
- org.apache.nutch.indexer.NutchIndexAction
  Modifier and Type
  Constant Field
  Value
  `public static final byte`
  `ADD`
  `0x0`
  `public static final byte`
  `DELETE`
  `0x1`
  `public static final byte`
  `UPDATE`
  `0x2`

- org.apache.nutch.indexer.feed.FeedIndexingFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `dateFormatStr`
  `"yyyyMMddHHmm"`

- org.apache.nutch.indexer.filter.MimeTypeIndexingFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `MIMEFILTER_REGEX_FILE`
  `"mimetype.filter.file"`

- org.apache.nutch.indexer.links.LinksIndexingFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `LINKS_INLINKS_HOST`
  `"index.links.inlinks.host.ignore"`
  `public static final String`
  `LINKS_ONLY_HOSTS`
  `"index.links.hosts.only"`
  `public static final String`
  `LINKS_OUTLINKS_HOST`
  `"index.links.outlinks.host.ignore"`

- org.apache.nutch.indexwriter.cloudsearch.CloudSearchConstants
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `BATCH_DUMP`
  `"batch.dump"`
  `public static final String`
  `ENDPOINT`
  `"endpoint"`
  `public static final String`
  `MAX_DOCS_BATCH`
  `"batch.maxSize"`
  `public static final String`
  `REGION`
  `"region"`

- org.apache.nutch.indexwriter.csv.CSVConstants
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CSV_CHARSET`
  `"charset"`
  `public static final String`
  `CSV_ESCAPECHARACTER`
  `"escapechar"`
  `public static final String`
  `CSV_FIELD_SEPARATOR`
  `"separator"`
  `public static final String`
  `CSV_FIELDS`
  `"fields"`
  `public static final String`
  `CSV_MAXFIELDLENGTH`
  `"maxfieldlength"`
  `public static final String`
  `CSV_MAXFIELDVALUES`
  `"maxfieldvalues"`
  `public static final String`
  `CSV_OUTPATH`
  `"outpath"`
  `public static final String`
  `CSV_QUOTECHARACTER`
  `"quotechar"`
  `public static final String`
  `CSV_VALUESEPARATOR`
  `"valuesep"`
  `public static final String`
  `CSV_WITHHEADER`
  `"header"`

- org.apache.nutch.indexwriter.dummy.DummyConstants
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DELETE`
  `"delete"`
  `public static final String`
  `PATH`
  `"path"`

- org.apache.nutch.indexwriter.elastic.ElasticConstants
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `BULK_CLOSE_TIMEOUT`
  `"bulk.close.timeout"`
  `public static final String`
  `EXPONENTIAL_BACKOFF_MILLIS`
  `"exponential.backoff.millis"`
  `public static final String`
  `EXPONENTIAL_BACKOFF_RETRIES`
  `"exponential.backoff.retries"`
  `public static final String`
  `HOSTS`
  `"host"`
  `public static final String`
  `INDEX`
  `"index"`
  `public static final String`
  `MAX_BULK_DOCS`
  `"max.bulk.docs"`
  `public static final String`
  `MAX_BULK_LENGTH`
  `"max.bulk.size"`
  `public static final String`
  `OPTIONS`
  `"options"`
  `public static final String`
  `PASSWORD`
  `"password"`
  `public static final String`
  `PORT`
  `"port"`
  `public static final String`
  `SCHEME`
  `"scheme"`
  `public static final String`
  `USE_AUTH`
  `"auth"`
  `public static final String`
  `USER`
  `"username"`

- org.apache.nutch.indexwriter.kafka.KafkaConstants
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `HOST`
  `"host"`
  `public static final String`
  `KEY_SERIALIZER`
  `"key.serializer"`
  `public static final String`
  `MAX_DOC_COUNT`
  `"max.doc.count"`
  `public static final String`
  `PORT`
  `"port"`
  `public static final String`
  `TOPIC`
  `"topic"`
  `public static final String`
  `VALUE_SERIALIZER`
  `"value.serializer"`

- org.apache.nutch.indexwriter.opensearch1x.OpenSearch1xConstants
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `BULK_CLOSE_TIMEOUT`
  `"bulk.close.timeout"`
  `public static final String`
  `EXPONENTIAL_BACKOFF_MILLIS`
  `"exponential.backoff.millis"`
  `public static final String`
  `EXPONENTIAL_BACKOFF_RETRIES`
  `"exponential.backoff.retries"`
  `public static final String`
  `HOSTS`
  `"host"`
  `public static final String`
  `INDEX`
  `"index"`
  `public static final String`
  `KEY_STORE_PASSWORD`
  `"key.store.password"`
  `public static final String`
  `KEY_STORE_PATH`
  `"key.store.path"`
  `public static final String`
  `KEY_STORE_TYPE`
  `"key.store.type"`
  `public static final String`
  `MAX_BULK_DOCS`
  `"max.bulk.docs"`
  `public static final String`
  `MAX_BULK_LENGTH`
  `"max.bulk.size"`
  `public static final String`
  `OPTIONS`
  `"options"`
  `public static final String`
  `PASSWORD`
  `"password"`
  `public static final String`
  `PORT`
  `"port"`
  `public static final String`
  `SCHEME`
  `"scheme"`
  `public static final String`
  `TRUST_STORE_PASSWORD`
  `"trust.store.password"`
  `public static final String`
  `TRUST_STORE_PATH`
  `"trust.store.path"`
  `public static final String`
  `TRUST_STORE_TYPE`
  `"trust.store.type"`
  `public static final String`
  `USER`
  `"username"`

- org.apache.nutch.indexwriter.solr.SolrConstants
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `AUTH_HEADER_NAME`
  `"auth.header.name"`
  `public static final String`
  `AUTH_HEADER_VALUE`
  `"auth.header.value"`
  `public static final String`
  `COLLECTION`
  `"collection"`
  `public static final String`
  `COMMIT_SIZE`
  `"commitSize"`
  `public static final String`
  `PASSWORD`
  `"password"`
  `public static final String`
  `SERVER_TYPE`
  `"type"`
  `public static final String`
  `SERVER_URLS`
  `"url"`
  `public static final String`
  `USE_AUTH`
  `"auth"`
  `public static final String`
  `USERNAME`
  `"username"`
  `public static final String`
  `WEIGHT_FIELD`
  `"weight.field"`

- org.apache.nutch.metadata.CreativeCommons
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `LICENSE_LOCATION`
  `"License-Location"`
  `public static final String`
  `LICENSE_URL`
  `"License-Url"`
  `public static final String`
  `WORK_TYPE`
  `"Work-Type"`
- org.apache.nutch.metadata.DublinCore
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CONTRIBUTOR`
  `"contributor"`
  `public static final String`
  `COVERAGE`
  `"coverage"`
  `public static final String`
  `CREATOR`
  `"creator"`
  `public static final String`
  `DATE`
  `"date"`
  `public static final String`
  `DESCRIPTION`
  `"description"`
  `public static final String`
  `FORMAT`
  `"format"`
  `public static final String`
  `IDENTIFIER`
  `"identifier"`
  `public static final String`
  `LANGUAGE`
  `"language"`
  `public static final String`
  `MODIFIED`
  `"modified"`
  `public static final String`
  `PUBLISHER`
  `"publisher"`
  `public static final String`
  `RELATION`
  `"relation"`
  `public static final String`
  `RIGHTS`
  `"rights"`
  `public static final String`
  `SOURCE`
  `"source"`
  `public static final String`
  `SUBJECT`
  `"subject"`
  `public static final String`
  `TITLE`
  `"title"`
  `public static final String`
  `TYPE`
  `"type"`
- org.apache.nutch.metadata.Feed
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `FEED`
  `"feed"`
  `public static final String`
  `FEED_AUTHOR`
  `"author"`
  `public static final String`
  `FEED_PUBLISHED`
  `"published"`
  `public static final String`
  `FEED_TAGS`
  `"tag"`
  `public static final String`
  `FEED_UPDATED`
  `"updated"`
- org.apache.nutch.metadata.HttpHeaders
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CLIENT_TRANSFER_ENCODING`
  `"Client-Transfer-Encoding"`
  `public static final String`
  `CONTENT_DISPOSITION`
  `"Content-Disposition"`
  `public static final String`
  `CONTENT_ENCODING`
  `"Content-Encoding"`
  `public static final String`
  `CONTENT_LANGUAGE`
  `"Content-Language"`
  `public static final String`
  `CONTENT_LENGTH`
  `"Content-Length"`
  `public static final String`
  `CONTENT_LOCATION`
  `"Content-Location"`
  `public static final String`
  `CONTENT_MD5`
  `"Content-MD5"`
  `public static final String`
  `CONTENT_TYPE`
  `"Content-Type"`
  `public static final String`
  `IF_MODIFIED_SINCE`
  `"If-Modified-Since"`
  `public static final String`
  `LAST_MODIFIED`
  `"Last-Modified"`
  `public static final String`
  `LOCATION`
  `"Location"`
  `public static final String`
  `TRANSFER_ENCODING`
  `"Transfer-Encoding"`
  `public static final String`
  `USER_AGENT`
  `"User-Agent"`
- org.apache.nutch.metadata.Nutch
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `ARG_CRAWLDB`
  `"crawldb"`
  `public static final String`
  `ARG_HOSTDB`
  `"hostdb"`
  `public static final String`
  `ARG_LINKDB`
  `"linkdb"`
  `public static final String`
  `ARG_SEEDDIR`
  `"url_dir"`
  `public static final String`
  `ARG_SEGMENTDIR`
  `"segment_dir"`
  `public static final String`
  `ARG_SEGMENTS`
  `"segment"`
  `public static final String`
  `CACHING_FORBIDDEN_ALL`
  `"all"`
  `public static final String`
  `CACHING_FORBIDDEN_CONTENT`
  `"content"`
  `public static final String`
  `CACHING_FORBIDDEN_KEY`
  `"caching.forbidden"`
  `public static final String`
  `CACHING_FORBIDDEN_NONE`
  `"none"`
  `public static final String`
  `CHAR_ENCODING_FOR_CONVERSION`
  `"CharEncodingForConversion"`
  `public static final String`
  `CRAWL_ID_KEY`
  `"storage.crawl.id"`
  `public static final String`
  `FETCH_EVENT_CONTENTLANG`
  `"content-language"`
  `public static final String`
  `FETCH_EVENT_CONTENTTYPE`
  `"content-type"`
  `public static final String`
  `FETCH_EVENT_FETCHTIME`
  `"fetchTime"`
  `public static final String`
  `FETCH_EVENT_SCORE`
  `"score"`
  `public static final String`
  `FETCH_EVENT_TITLE`
  `"title"`
  `public static final String`
  `FETCH_STATUS_KEY`
  `"_fst_"`
  `public static final String`
  `FETCH_TIME_KEY`
  `"_ftk_"`
  `public static final String`
  `FIXED_INTERVAL_KEY`
  `"fixedInterval"`
  `public static final String`
  `GENERATE_TIME_KEY`
  `"_ngt_"`
  `public static final String`
  `ORIGINAL_CHAR_ENCODING`
  `"OriginalCharEncoding"`
  `public static final String`
  `PROTO_STATUS_KEY`
  `"_pst_"`
  `public static final String`
  `REPR_URL_KEY`
  `"_repr_"`
  `public static final String`
  `ROBOTS_METATAG`
  `"robots"`
  `public static final String`
  `SCORE_KEY`
  `"nutch.crawl.score"`
  `public static final String`
  `SEGMENT_NAME_KEY`
  `"nutch.segment.name"`
  `public static final String`
  `SIGNATURE_KEY`
  `"nutch.content.digest"`
  `public static final String`
  `STAT_PROGRESS`
  `"progress"`
  `public static final String`
  `VAL_RESULT`
  `"result"`

- org.apache.nutch.metrics.LatencyTracker
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `SUFFIX_COUNT_TOTAL`
  `"_count_total"`
  `public static final String`
  `SUFFIX_P50_MS`
  `"_p50_ms"`
  `public static final String`
  `SUFFIX_P95_MS`
  `"_p95_ms"`
  `public static final String`
  `SUFFIX_P99_MS`
  `"_p99_ms"`
  `public static final String`
  `SUFFIX_SUM_MS`
  `"_sum_ms"`
- org.apache.nutch.metrics.NutchMetrics
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CLEANING_DELETED_DOCUMENTS_TOTAL`
  `"deleted_documents_total"`
  `public static final String`
  `CRAWLDB_GONE_RECORDS_REMOVED_TOTAL`
  `"gone_records_removed_total"`
  `public static final String`
  `CRAWLDB_ORPHAN_RECORDS_REMOVED_TOTAL`
  `"orphan_records_removed_total"`
  `public static final String`
  `CRAWLDB_URLS_FILTERED_TOTAL`
  `"urls_filtered_total"`
  `public static final String`
  `DEDUP_DOCUMENTS_MARKED_DUPLICATE_TOTAL`
  `"documents_marked_duplicate_total"`
  `public static final String`
  `DOMAIN_STATS_EMPTY_RESULT_TOTAL`
  `"empty_result_total"`
  `public static final String`
  `DOMAIN_STATS_FETCHED_TOTAL`
  `"fetched_total"`
  `public static final String`
  `DOMAIN_STATS_NOT_FETCHED_TOTAL`
  `"not_fetched_total"`
  `public static final String`
  `ERROR_INDEXING_TOTAL`
  `"errors_indexing_total"`
  `public static final String`
  `ERROR_NETWORK_TOTAL`
  `"errors_network_total"`
  `public static final String`
  `ERROR_OTHER_TOTAL`
  `"errors_other_total"`
  `public static final String`
  `ERROR_PARSING_TOTAL`
  `"errors_parsing_total"`
  `public static final String`
  `ERROR_PROTOCOL_TOTAL`
  `"errors_protocol_total"`
  `public static final String`
  `ERROR_SCORING_TOTAL`
  `"errors_scoring_total"`
  `public static final String`
  `ERROR_TIMEOUT_TOTAL`
  `"errors_timeout_total"`
  `public static final String`
  `ERROR_TOTAL`
  `"errors_total"`
  `public static final String`
  `ERROR_URL_TOTAL`
  `"errors_url_total"`
  `public static final String`
  `FETCHER_ABOVE_EXCEPTION_THRESHOLD_TOTAL`
  `"above_exception_threshold_total"`
  `public static final String`
  `FETCHER_BYTES_DOWNLOADED_TOTAL`
  `"bytes_downloaded_total"`
  `public static final String`
  `FETCHER_FILTERED_TOTAL`
  `"filtered_total"`
  `public static final String`
  `FETCHER_HIT_BY_THROUGHPUT_THRESHOLD_TOTAL`
  `"hit_by_throughput_threshold_total"`
  `public static final String`
  `FETCHER_HIT_BY_TIMELIMIT_TOTAL`
  `"hit_by_timelimit_total"`
  `public static final String`
  `FETCHER_HIT_BY_TIMEOUT_TOTAL`
  `"hit_by_timeout_total"`
  `public static final String`
  `FETCHER_HUNG_THREADS_TOTAL`
  `"hung_threads_total"`
  `public static final String`
  `FETCHER_LATENCY`
  `"fetch_latency"`
  `public static final String`
  `FETCHER_OUTLINKS_DETECTED_TOTAL`
  `"outlinks_detected_total"`
  `public static final String`
  `FETCHER_OUTLINKS_FOLLOWING_TOTAL`
  `"outlinks_following_total"`
  `public static final String`
  `FETCHER_REDIRECT_COUNT_EXCEEDED_TOTAL`
  `"redirect_count_exceeded_total"`
  `public static final String`
  `FETCHER_REDIRECT_DEDUPLICATED_TOTAL`
  `"redirect_deduplicated_total"`
  `public static final String`
  `FETCHER_REDIRECT_NOT_CREATED_TOTAL`
  `"redirect_not_created_total"`
  `public static final String`
  `FETCHER_ROBOTS_DEFER_VISITS_DROPPED_TOTAL`
  `"robots_defer_visits_dropped_total"`
  `public static final String`
  `FETCHER_ROBOTS_DENIED_MAXCRAWLDELAY_TOTAL`
  `"robots_denied_maxcrawldelay_total"`
  `public static final String`
  `FETCHER_ROBOTS_DENIED_TOTAL`
  `"robots_denied_total"`
  `public static final String`
  `GENERATOR_EXPR_REJECTED_TOTAL`
  `"expr_rejected_total"`
  `public static final String`
  `GENERATOR_HOSTS_AFFECTED_PER_HOST_OVERFLOW_TOTAL`
  `"hosts_affected_per_host_overflow_total"`
  `public static final String`
  `GENERATOR_INTERVAL_REJECTED_TOTAL`
  `"interval_rejected_total"`
  `public static final String`
  `GENERATOR_SCHEDULE_REJECTED_TOTAL`
  `"schedule_rejected_total"`
  `public static final String`
  `GENERATOR_SCORE_TOO_LOW_TOTAL`
  `"score_too_low_total"`
  `public static final String`
  `GENERATOR_STATUS_REJECTED_TOTAL`
  `"status_rejected_total"`
  `public static final String`
  `GENERATOR_URL_FILTERS_REJECTED_TOTAL`
  `"url_filters_rejected_total"`
  `public static final String`
  `GENERATOR_URLS_SKIPPED_PER_HOST_OVERFLOW_TOTAL`
  `"urls_skipped_per_host_overflow_total"`
  `public static final String`
  `GENERATOR_WAIT_FOR_UPDATE_TOTAL`
  `"wait_for_update_total"`
  `public static final String`
  `GROUP_CLEANING`
  `"nutch_cleaning"`
  `public static final String`
  `GROUP_COMMONCRAWL_DUMPER`
  `"nutch_commoncrawl_dumper"`
  `public static final String`
  `GROUP_CRAWLDB`
  `"nutch_crawldb"`
  `public static final String`
  `GROUP_CRAWLDB_FILTER`
  `"nutch_crawldb_filter"`
  `public static final String`
  `GROUP_DEDUP`
  `"nutch_dedup"`
  `public static final String`
  `GROUP_DOMAIN_STATS`
  `"nutch_domain_stats"`
  `public static final String`
  `GROUP_FETCHER`
  `"nutch_fetcher"`
  `public static final String`
  `GROUP_FETCHER_OUTLINKS`
  `"nutch_fetcher_outlinks"`
  `public static final String`
  `GROUP_GENERATOR`
  `"nutch_generator"`
  `public static final String`
  `GROUP_HOSTDB`
  `"nutch_hostdb"`
  `public static final String`
  `GROUP_INDEXER`
  `"nutch_indexer"`
  `public static final String`
  `GROUP_INJECTOR`
  `"nutch_injector"`
  `public static final String`
  `GROUP_PARSER`
  `"nutch_parser"`
  `public static final String`
  `GROUP_SITEMAP`
  `"nutch_sitemap"`
  `public static final String`
  `GROUP_WARC_EXPORTER`
  `"nutch_warc_exporter"`
  `public static final String`
  `GROUP_WEBGRAPH`
  `"nutch_webgraph"`
  `public static final String`
  `HOSTDB_CHECKED_HOSTS_TOTAL`
  `"checked_hosts_total"`
  `public static final String`
  `HOSTDB_EXISTING_KNOWN_HOST_TOTAL`
  `"existing_known_host_total"`
  `public static final String`
  `HOSTDB_EXISTING_UNKNOWN_HOST_TOTAL`
  `"existing_unknown_host_total"`
  `public static final String`
  `HOSTDB_FILTERED_RECORDS_TOTAL`
  `"filtered_records_total"`
  `public static final String`
  `HOSTDB_NEW_KNOWN_HOST_TOTAL`
  `"new_known_host_total"`
  `public static final String`
  `HOSTDB_NEW_UNKNOWN_HOST_TOTAL`
  `"new_unknown_host_total"`
  `public static final String`
  `HOSTDB_PURGED_UNKNOWN_HOST_TOTAL`
  `"purged_unknown_host_total"`
  `public static final String`
  `HOSTDB_REDISCOVERED_HOST_TOTAL`
  `"rediscovered_host_total"`
  `public static final String`
  `HOSTDB_SKIPPED_NOT_ELIGIBLE_TOTAL`
  `"skipped_not_eligible_total"`
  `public static final String`
  `HOSTDB_TOTAL_HOSTS_TOTAL`
  `"total_hosts_total"`
  `public static final String`
  `HOSTDB_URL_LIMIT_NOT_REACHED_TOTAL`
  `"url_limit_not_reached_total"`
  `public static final String`
  `INDEXER_DELETED_BY_INDEXING_FILTER_TOTAL`
  `"deleted_by_indexing_filter_total"`
  `public static final String`
  `INDEXER_DELETED_DUPLICATES_TOTAL`
  `"deleted_duplicates_total"`
  `public static final String`
  `INDEXER_DELETED_FAILED_PARSE_TOTAL`
  `"deleted_failed_parse_total"`
  `public static final String`
  `INDEXER_DELETED_GONE_TOTAL`
  `"deleted_gone_total"`
  `public static final String`
  `INDEXER_DELETED_REDIRECTS_TOTAL`
  `"deleted_redirects_total"`
  `public static final String`
  `INDEXER_DELETED_ROBOTS_NOINDEX_TOTAL`
  `"deleted_robots_noindex_total"`
  `public static final String`
  `INDEXER_INDEXED_TOTAL`
  `"indexed_total"`
  `public static final String`
  `INDEXER_LATENCY`
  `"index_latency"`
  `public static final String`
  `INDEXER_SKIPPED_BY_INDEXING_FILTER_TOTAL`
  `"skipped_by_indexing_filter_total"`
  `public static final String`
  `INDEXER_SKIPPED_NOT_MODIFIED_TOTAL`
  `"skipped_not_modified_total"`
  `public static final String`
  `INJECTOR_URLS_FILTERED_TOTAL`
  `"urls_filtered_total"`
  `public static final String`
  `INJECTOR_URLS_INJECTED_TOTAL`
  `"urls_injected_total"`
  `public static final String`
  `INJECTOR_URLS_INJECTED_UNIQUE_TOTAL`
  `"urls_injected_unique_total"`
  `public static final String`
  `INJECTOR_URLS_MERGED_TOTAL`
  `"urls_merged_total"`
  `public static final String`
  `INJECTOR_URLS_PURGED_404_TOTAL`
  `"urls_purged_404_total"`
  `public static final String`
  `INJECTOR_URLS_PURGED_FILTER_TOTAL`
  `"urls_purged_filter_total"`
  `public static final String`
  `LATENCY_KEY`
  `"__LATENCY__"`
  `public static final String`
  `PARSER_LATENCY`
  `"parse_latency"`
  `public static final String`
  `SITEMAP_EXISTING_ENTRIES_TOTAL`
  `"existing_sitemap_entries_total"`
  `public static final String`
  `SITEMAP_FAILED_FETCHES_TOTAL`
  `"failed_fetches_total"`
  `public static final String`
  `SITEMAP_FILTERED_FROM_HOSTNAME_TOTAL`
  `"filtered_sitemaps_from_hostname_total"`
  `public static final String`
  `SITEMAP_FILTERED_RECORDS_TOTAL`
  `"filtered_records_total"`
  `public static final String`
  `SITEMAP_FROM_HOSTNAME_TOTAL`
  `"sitemaps_from_hostname_total"`
  `public static final String`
  `SITEMAP_NEW_ENTRIES_TOTAL`
  `"new_sitemap_entries_total"`
  `public static final String`
  `SITEMAP_SEEDS_TOTAL`
  `"sitemap_seeds_total"`
  `public static final String`
  `WARC_MISSING_CONTENT_TOTAL`
  `"missing_content_total"`
  `public static final String`
  `WARC_MISSING_METADATA_TOTAL`
  `"missing_metadata_total"`
  `public static final String`
  `WARC_OMITTED_EMPTY_RESPONSE_TOTAL`
  `"omitted_empty_response_total"`
  `public static final String`
  `WARC_RECORDS_GENERATED_TOTAL`
  `"records_generated_total"`
  `public static final String`
  `WEBGRAPH_ADDED_LINKS_TOTAL`
  `"added_links_total"`
  `public static final String`
  `WEBGRAPH_REMOVED_LINKS_TOTAL`
  `"removed_links_total"`

- org.apache.nutch.microformats.reltag.RelTagParser
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `REL_TAG`
  `"Rel-Tag"`

- org.apache.nutch.net.URLFilters
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URLFILTER_ORDER`
  `"urlfilter.order"`
- org.apache.nutch.net.URLNormalizers
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `SCOPE_CRAWLDB`
  `"crawldb"`
  `public static final String`
  `SCOPE_DEFAULT`
  `"default"`
  `public static final String`
  `SCOPE_FETCHER`
  `"fetcher"`
  `public static final String`
  `SCOPE_GENERATE_HOST_COUNT`
  `"generate_host_count"`
  `public static final String`
  `SCOPE_INDEXER`
  `"indexer"`
  `public static final String`
  `SCOPE_INJECT`
  `"inject"`
  `public static final String`
  `SCOPE_LINKDB`
  `"linkdb"`
  `public static final String`
  `SCOPE_OUTLINK`
  `"outlink"`
  `public static final String`
  `SCOPE_PARTITION`
  `"partition"`

- org.apache.nutch.net.protocols.ProtocolLogUtil
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `HTTP_LOG_SUPPRESSION`
  `"http.log.exceptions.suppress.stack"`
- org.apache.nutch.net.protocols.Response
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CIPHER_SUITES`
  `"_cipher_suites_"`
  `public static final String`
  `FETCH_TIME`
  `"nutch.fetch.time"`
  `public static final String`
  `IP_ADDRESS`
  `"_ip_"`
  `public static final String`
  `PROTOCOL_VERSIONS`
  `"_protocol_versions_"`
  `public static final String`
  `REQUEST`
  `"_request_"`
  `public static final String`
  `RESPONSE_HEADERS`
  `"_response.headers_"`
  `public static final String`
  `TRUNCATED_CONTENT`
  `"http.content.truncated"`
  `public static final String`
  `TRUNCATED_CONTENT_REASON`
  `"http.content.truncated.reason"`

- org.apache.nutch.net.urlnormalizer.basic.BasicURLNormalizer
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `NORM_HOST_IDN`
  `"urlnormalizer.basic.host.idn"`
  `public static final String`
  `NORM_HOST_IDNA_2008`
  `"urlnormalizer.basic.host.idna2008"`
  `public static final String`
  `NORM_HOST_TRIM_TRAILING_DOT`
  `"urlnormalizer.basic.host.trim-trailing-dot"`

- org.apache.nutch.parse.HtmlParseFilters
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `HTMLPARSEFILTER_ORDER`
  `"htmlparsefilter.order"`
- org.apache.nutch.parse.ParseData
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DIR_NAME`
  `"parse_data"`
- org.apache.nutch.parse.ParserFactory
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DEFAULT_PLUGIN`
  `"*"`
- org.apache.nutch.parse.ParseSegment
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DELETE_FAILED_PARSE`
  `"parser.delete.failed.parse"`
  `public static final String`
  `SKIP_TRUNCATED`
  `"parser.skip.truncated"`
- org.apache.nutch.parse.ParseStatus
  Modifier and Type
  Constant Field
  Value
  `public static final byte`
  `FAILED`
  `0x2`
  `public static final short`
  `FAILED_EXCEPTION`
  `200`
  `public static final short`
  `FAILED_INVALID_FORMAT`
  `203`
  `public static final short`
  `FAILED_MISSING_CONTENT`
  `205`
  `public static final short`
  `FAILED_MISSING_PARTS`
  `204`
  `public static final short`
  `FAILED_TRUNCATED`
  `202`
  `public static final byte`
  `NOTPARSED`
  `0x0`
  `public static final byte`
  `SUCCESS`
  `0x1`
  `public static final short`
  `SUCCESS_REDIRECT`
  `100`
- org.apache.nutch.parse.ParseText
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DIR_NAME`
  `"parse_text"`

- org.apache.nutch.parse.feed.FeedParser
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CHARSET_UTF8`
  `"charset=UTF-8"`
  `public static final String`
  `TEXT_PLAIN_CONTENT_TYPE`
  `"text/plain; charset=UTF-8"`

- org.apache.nutch.parsefilter.naivebayes.NaiveBayesParseFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DICTFILE_MODELFILTER`
  `"parsefilter.naivebayes.wordlist"`
  `public static final String`
  `TRAINFILE_MODELFILTER`
  `"parsefilter.naivebayes.trainfile"`

- org.apache.nutch.protocol.Content
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DIR_NAME`
  `"content"`
- org.apache.nutch.protocol.ProtocolStatus
  Modifier and Type
  Constant Field
  Value
  `public static final int`
  `ACCESS_DENIED`
  `17`
  `public static final int`
  `BLOCKED`
  `23`
  `public static final int`
  `EXCEPTION`
  `16`
  `public static final int`
  `FAILED`
  `2`
  `public static final int`
  `GONE`
  `11`
  `public static final int`
  `MOVED`
  `12`
  `public static final int`
  `NOTFETCHING`
  `20`
  `public static final int`
  `NOTFOUND`
  `14`
  `public static final int`
  `NOTMODIFIED`
  `21`
  `public static final int`
  `PROTO_NOT_FOUND`
  `10`
  `public static final int`
  `REDIR_EXCEEDED`
  `19`
  `public static final int`
  `RETRY`
  `15`
  `public static final int`
  `ROBOTS_DENIED`
  `18`
  `public static final int`
  `SUCCESS`
  `1`
  `public static final int`
  `TEMP_MOVED`
  `13`
  `public static final int`
  `WOULDBLOCK`
  `22`

- org.apache.nutch.protocol.http.api.HttpBase
  Modifier and Type
  Constant Field
  Value
  `public static final int`
  `BUFFER_SIZE`
  `8192`

- org.apache.nutch.protocol.httpclient.HttpAuthenticationFactory
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `WWW_AUTHENTICATE`
  `"WWW-Authenticate"`

- org.apache.nutch.scoring.depth.DepthScoringFilter
  Modifier and Type
  Constant Field
  Value
  `public static final int`
  `DEFAULT_MAX_DEPTH`
  `1000`
  `public static final String`
  `DEPTH_KEY`
  `"_depth_"`
  `public static final String`
  `MAX_DEPTH_KEY`
  `"_maxdepth_"`

- org.apache.nutch.scoring.metadata.MetadataScoringFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `METADATA_CONTENT`
  `"scoring.content.md"`
  `public static final String`
  `METADATA_DATUM`
  `"scoring.db.md"`
  `public static final String`
  `METADATA_PARSED`
  `"scoring.parse.md"`

- org.apache.nutch.scoring.webgraph.LinkDatum
  Modifier and Type
  Constant Field
  Value
  `public static final byte`
  `INLINK`
  `0x1`
  `public static final byte`
  `OUTLINK`
  `0x2`
- org.apache.nutch.scoring.webgraph.LinkDumper
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DUMP_DIR`
  `"linkdump"`
- org.apache.nutch.scoring.webgraph.WebGraph
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `INLINK_DIR`
  `"inlinks"`
  `public static final String`
  `LOCK_NAME`
  `".locked"`
  `public static final String`
  `NODE_DIR`
  `"nodes"`
  `public static final String`
  `OLD_OUTLINK_DIR`
  `"outlinks/old"`
  `public static final String`
  `OUTLINK_DIR`
  `"outlinks/current"`
- org.apache.nutch.scoring.webgraph.WebGraph.OutlinkDb
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URL_FILTERING`
  `"webgraph.url.filters"`
  `public static final String`
  `URL_NORMALIZING`
  `"webgraph.url.normalizers"`

- org.apache.nutch.tools.CommonCrawlFormatWARC
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `MAX_WARC_FILE_SIZE`
  `"warc.file.size.max"`
  `public static final String`
  `TEMPLATE`
  `"${prefix}-${timestamp17}-${serialno}"`
- org.apache.nutch.tools.WARCUtils
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `COLONSP`
  `": "`
  `public static final String`
  `CONFORMS_TO`
  `"conformsTo"`
  `public static final String`
  `CRLF`
  `"\r\n"`
  `public static final String`
  `FORMAT`
  `"format"`
  `public static final String`
  `HOSTNAME`
  `"hostname"`
  `public static final String`
  `HTTP_HEADER_FROM`
  `"http-header-from"`
  `public static final String`
  `HTTP_HEADER_USER_AGENT`
  `"http-header-user-agent"`
  `public static final String`
  `IP`
  `"ip"`
  `public static final String`
  `OPERATOR`
  `"operator"`
  `public static final String`
  `ROBOTS`
  `"robots"`
  `public static final String`
  `SOFTWARE`
  `"software"`
  `protected static final String`
  `X_HIDE_HEADER`
  `"X-Crawler-"`

- org.apache.nutch.tools.arc.ArcSegmentCreator
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URL_VERSION`
  `"arc.url.version"`
- org.apache.nutch.tools.arc.ArcSegmentCreator.ArcSegmentCreatorMapper
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URL_VERSION`
  `"arc.url.version"`

- org.apache.nutch.urlfilter.automaton.AutomatonURLFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URLFILTER_AUTOMATON_FILE`
  `"urlfilter.automaton.file"`
  `public static final String`
  `URLFILTER_AUTOMATON_RULES`
  `"urlfilter.automaton.rules"`

- org.apache.nutch.urlfilter.fast.FastURLFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URLFILTER_FAST_FILE`
  `"urlfilter.fast.file"`
  `public static final String`
  `URLFILTER_FAST_MAX_LENGTH`
  `"urlfilter.fast.url.max.length"`
  `public static final String`
  `URLFILTER_FAST_PATH_MAX_LENGTH`
  `"urlfilter.fast.url.path.max.length"`
  `public static final String`
  `URLFILTER_FAST_QUERY_MAX_LENGTH`
  `"urlfilter.fast.url.query.max.length"`

- org.apache.nutch.urlfilter.ignoreexempt.ExemptionUrlFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DB_IGNORE_EXTERNAL_EXEMPTIONS_FILE`
  `"db.ignore.external.exemptions.file"`

- org.apache.nutch.urlfilter.regex.RegexURLFilter
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `URLFILTER_REGEX_FILE`
  `"urlfilter.regex.file"`
  `public static final String`
  `URLFILTER_REGEX_RULES`
  `"urlfilter.regex.rules"`

- org.apache.nutch.util.EncodingDetector
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `MIN_CONFIDENCE_KEY`
  `"encodingdetector.charset.min.confidence"`
  `public static final int`
  `NO_THRESHOLD`
  `-1`
- org.apache.nutch.util.JexlUtil
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `DISABLE_SANDBOX_KEY`
  `"nutch.jexl.disable.sandbox"`
- org.apache.nutch.util.NutchConfiguration
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `UUID_KEY`
  `"nutch.conf.uuid"`
- org.apache.nutch.util.SitemapProcessor
  Modifier and Type
  Constant Field
  Value
  `public static final String`
  `CURRENT_NAME`
  `"current"`
  `public static final String`
  `LOCK_NAME`
  `".locked"`
  `public static final String`
  `SITEMAP_ALWAYS_TRY_SITEMAPXML_ON_ROOT`
  `"sitemap.url.default.sitemap.xml"`
  `public static final String`
  `SITEMAP_OVERWRITE_EXISTING`
  `"sitemap.url.overwrite.existing"`
  `public static final String`
  `SITEMAP_REDIR_MAX`
  `"sitemap.redir.max"`
  `public static final String`
  `SITEMAP_SIZE_MAX`
  `"sitemap.size.max"`
  `public static final String`
  `SITEMAP_STRICT_PARSING`
  `"sitemap.strict.parsing"`
  `public static final String`
  `SITEMAP_URL_FILTERING`
  `"sitemap.url.filter"`
  `public static final String`
  `SITEMAP_URL_NORMALIZING`
  `"sitemap.url.normalize"`