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Nutch Change Log
(trunk) Current Development:
* NUTCH-1440 reconfigure non-existent stopwords_en.txt in schema-solr4.xml (shekhar sharma via lewismc)
* NUTCH-1439 Define boost field as type float in schema-solr4.xml (shekhar sharma via lewismc)
* NUTCH-1433 Upgrade to Tika 1.2 (jnioche)
* NUTCH-1388 Optionally maintain custom fetch interval despite AdaptiveFetchSchedule (markus)
* NUTCH-1430 Freegenerator records overwrite CrawlDB records with AdaptiveFetchSchedule (markus)
* NUTCH-1087 Deprecate crawl command and replace with example script (jnioche)
* NUTCH-1306 Add option to not commit and clarify existing solr.commit.size (ferdy)
* NUTCH-1405 Allow to overwrite CrawlDatum's with injected entries (markus)
* NUTCH-1412 Upgrade commons lang (markus)
* NUTCH-1251 SolrDedup to use proper Lucene catch-all query (Arkadi Kosmynin via markus)
* NUTCH-1407 BasicIndexingFilter to optionally add domain field (markus)
* NUTCH-1408 RobotRulesParser main doesn't take URL's (markus)
* NUTCH-1300 Indexer to filter normalize URL's (markus)
* NUTCH-1330 WebGraph OutlinkDB to preserve back up (markus)
* NUTCH-1319 HostNormalizer plugin (markus)
* NUTCH-1386 Headings filter not to add empty values (markus)
* NUTCH-1356 ParseUtil use ExecutorService instead of manually thread handling (ferdy via markus)
* NUTCH-1352 Improve regex urlfilters/normalizers synchronization (ferdy via markus)
* NUTCH-1024 Dynamically set fetchInterval by MIME-type (markus)
* NUTCH-1364 Add a counter in Generator for malformed urls (lewismc)
* NUTCH-1262 Map `duplicating` content-types to a single type (markus)
* NUTCH-1385 More robust plug-in order properties in nutch-site.xml (Andy Xue via markus)
* NUTCH-1336 Optionally not index db_notmodified pages (markus)
* NUTCH-1346 Follow outlinks to ignore external (markus)
* NUTCH-1320 IndexChecker and ParseChecker choke on IDN's (markus)
* NUTCH-1351 DomainStatistics to aggregate by TLD (markus)
* NUTCH-1381 Allow to override default subcollection field name (markus)
* NUTCH-XX Commit to add configuration for separation of ant distribution targets (lewismc + jnioche)
Release 1.5.1 - 07/10/2012
* NUTCH-1404 Nutch script fails to find job file in deploy mode (sidabatra, jnioche)
* NUTCH-1415 release packages to contain top level folder apache-nutch-x.x (snagel via lewismc)
* NUTCH-1400 Remove developer -core option for bin/nutch (jnioche)
* NUTCH-1384 Typo in ParseSegment's run-method (Matthias Agethle via markus)
* NUTCH-1398 Upgrade to Hadoop 1.0.3 (jnioche)
Release 1.5 - 04/15/2012
* NUTCH-1208 Don't include KEYS file in bin distribution (jnioche)
* NUTCH-1234 Upgrade to Tika 1.1 (jnioche, markus)
* NUTCH-809 Parse-metatags plugin (jnioche)
* NUTCH-1310 Nutch to send HTTP-accept header (markus)
* NUTCH-1305 Domain(blacklist)URLFilter to trim entries (markus)
* NUTCH-1307 Improve formatting of ant targets for clearer project help (lewismc)
* NUTCH-1299 LinkRank inverter to ignore records without Node (markus)
* NUTCH-1258 MoreIndexingFilter should be able to read Content-Type from both parse metadata and content metadata (jnioche, markus)
* NUTCH-1293 IndexingFiltersChecker to store detected content type in crawldatum metadata (markus)
* NUTCH-1291 Fetcher to stringify exception on // unexpected exception (markus)
* NUTCH-965 Skip parsing for truncated documents (alexis, lewismc, ferdy)
* NUTCH-1210 DomainBlacklistFilter (markus)
* NUTCH-1193 Incorrect url transform to lowercase: parameter solr (Eduardo dos Santos Leggiero via lewismc)
* NUTCH-1272 Wrong property name for index-static in nutch-default.xml (Daniel Baur via jnioche)
* NUTCH-1259 Store detected content-type in crawldatum metadata (jnioche, markus)
* NUTCH-1266 Subcollection to optionally write to configured fields (markus)
* NUTCH-1005 Parse headings plugin (markus)
* NUTCH-1264 Configurable indexing plugin index-metadata (jnioche)
* NUTCH-1242 Allow disabling of URL Filters in ParseSegment (Edward Drapkin via markus)
* NUTCH-1256 WebGraph to dump host + score (markus)
* NUTCH-1260 Fetcher should log fetching of redirects (Sebastian Nagel via markus)
* NUTCH-1255 Change ivy.xml of all plugins to remove "nutch.root" property (ferdy)
* NUTCH-1248 Generator to select on status (markus)
* NUTCH-1177 Generator to select on retry interval (markus)
* NUTCH-1246 Upgrade to Hadoop 1.0.0 (jnioche)
* NUTCH-1139 Indexer to delete gone documents (markus)
* NUTCH-1244 CrawlDBDumper to filter by regex (markus)
* NUTCH-1237 Improve javac arguements for more verbose ouput (lewismc)
* NUTCH-1236 Add link to site documentation to download older versions of Nutch (lewismc)
* NUTCH-1146 Prevent generation of _SUCCESS files in output (jnioche)
* NUTCH-1232 Remove site field from index-basic (markus)
* NUTCH-1239 Webgraph should remove deleted pages from segment input (markus)
* NUTCH-1238 Fetcher throughput threshold must start before feeder finished (markus)
* NUTCH-1138 remove LogUtil from trunk and nutch gora (lewismc)
* NUTCH-1231 Upgrade to Tika 1.0 (markus)
* NUTCH-1230 MimeType API deprecated and breaks with Tika 1.0 (markus)
* NUTCH-1235 Upgrade to new Hadoop 0.20.205.0 (markus)
* NUTCH-1217 Update NOTICE.txt to drop some copyrights (lewismc)
* NUTCH-1129 Add freegenerator, domainstats and crawldbscanner to log4j (markus)
* NUTCH-1184 Fetcher to parse and follow Nth degree outlinks (markus)
* NUTCH-1221 Migrate DomainStatistics to MapReduce API (markus)
* NUTCH-1216 Add trivial comment to lib/native/README.txt (lewismc)
* NUTCH-1214 DomainStats tool should be named for what it's doing (markus)
* NUTCH-1213 Pass additional SolrParams when indexing to Solr (ab)
* NUTCH-1211 URLFilterChecker command line help doesn't inform user of
STDIN requirements (mattmann)
* NUTCH-1209 Output from ParserChecker Url missing a newline (mattmann)
* NUTCH-1207 ParserChecker to output signature (markus)
* NUTCH-1090 InvertLinks should inform when ignoring internal links (Marek Backmann via markus)
* NUTCH-1174 Outlinks are not properly normalized (markus)
* NUTCH-1203 ParseSegment to show number of milliseconds per parse (markus)
* NUTCH-1185 Decrease solr.commit.size to 250 (markus)
* NUTCH-1180 UpdateDB to backup previous CrawlDB (markus)
* NUTCH-1173 DomainStats doesn't count db_not_modified (markus)
* NUTCH-1155 Host/domain limit in generator is generate.max.count+1 (markus)
* NUTCH-1061 Migrate MoreIndexingFilter from Apache ORO to java.util.regex (markus)
* NUTCH-1178 Incorrect CSV header CrawlDatumCsvOutputFormat (markus)
* NUTCH-1142 Normalization and filtering in WebGraph (markus)
* NUTCH-1153 LinkRank not to log all keys and not to write Hadoop _SUCCESS file (markus)
Release 1.4 - 11/4/2011
* NUTCH-1195 Add Solr 4x (trunk) example schema (ab)
* NUTCH-1192 Add '/runtime' to svn ignore (ferdy)
* NUTCH-1097 application/xhtml+xml should be enabled in plugin.xml of parse-html; allow multiple mimetypes for plugin.xml (Ferdy via lewismc)
* NUTCH-797 Fix parse-tika and parse-html to use relative URL resolution per RFC-3986
(Robert Hohman, ab)
* NUTCH-1154 Upgrade to Tika 0.10. NOTE: Tika's new RTF parser may ignore more
text in malformed documents than previously - see TIKA-748 for details. (ab)
* NUTCH-1109 Add Sonar targets to Ant build.xml (lewismc)
* NUTCH-1152 Upgrade SolrJ to version 3.4.0 (ab)
* NUTCH-1136 Ant pmd target is broken (lewismc)
* NUTCH-1058 Upgrade Solr schema to version 1.4 (markus)
* NUTCH-1137 LinkDB invertlinks other options ignored when using -dir option (Sebastian Nagel, markus)
* NUTCH-1141 Configurable Fetcher queue depth (jnioche)
* NUTCH-1091 Remove commons logging dependency from Nutch branch and trunk (lewismc)
* NUTCH-672 allow unit tests to be run from bin/nutch (Todd Lipton via lewismc)
* NUTCH-937 Put plugins in classes/plugins in job file (Claudio Martella, Ferdy Galema, jnioche)
* NUTCH-623 Change plugin source directory "languageidentifier" to "language-identifier" (lewismc)
* NUTCH-1074 topN is ignored with maxNumSegments and generate.max.count (Robert Thomson via markus)
* NUTCH-1078 Upgrade all instances of commons logging to slf4j (with log4j backend) (lewismc)
* NUTCH-1115 Option to disable fixing embedded URL parameters in DomContentUtils (markus)
* NUTCH-1114 Attr file missing in domain filter (markus)
* NUTCH-1067 Configure minimum throughput for fetcher (markus)
* NUTCH-1102 Fetcher to rely on fetcher.parse directive (markus)
* NUTCH-1110 UpdateDB must not write _success file (markus)
* NUTCH-1105 Max content length option for index-basic (markus)
* NUTCH-940 static field plugin (Claudio Martella via lewismc)
* NUTCH-914 Implement Apache Project Branding Requirements (lewismc)
* NUTCH-1095 remove i18n from Nutch site to archive and legacy secton of wiki (lewismc)
* NUTCH-1101 Option to purge db_gone records with updatedb (markus)
* NUTCH-1096 Empty (not null) ContentLength results in failure of fetch (Ferdy Galema via jnioche)
* NUTCH-1073 Rename parameters 'fetcher.threads.per.host.by.ip' and 'fetcher.threads.per.host' (jnioche)
* NUTCH-1089 Short compressed pages caused exception in protocol-httpclient (Simone Frenzel via jnioche)
* NUTCH-1085 Nutch script does not require HADOOP_HOME (jnioche)
* NUTCH-1075 Delegate language identification to Tika (jnioche)
* NUTCH-1049 Add classes to bin/nutch script (markus)
* NUTCH-1051 Export WebGraph node scores for Solr.ExternalFileField (markus)
* NUTCH-1083 ParserChecker implements Tools (jnioche)
* NUTCH-1082 IndexingFiltersChecker utility does not list multi valued fields (markus)
* NUTCH-1004 Do not index empty values for title field (markus)
* NUTCH-914 Implement Apache Project Branding Requirements (lewismc via jnioche)
* NUTCH-1069 Readlinkdb broken on Hadoop > 0.20 (markus)
* NUTCH-1044 Redirected URLs and possibly all of their outlinked URLs have invalid scores (jnioche)
* NUTCH-1028 Log urls when parsing (markus)
* NUTCH-1065 New mvn.template (lewismc)
* NUTCH-1072 Display number and size of queues in Fetcher status (jnioche)
* NUTCH-1071 Crawldb update displays total number of URLs per status (jnioche)
* NUTCH-1045 MimeUtil to rely on default config provided by Tika (jnioche)
* NUTCH-1057 Fetcher thread time out configurable (markus)
* NUTCH-1037 Option to deduplicate anchors prior to indexing (markus)
* NUTCH-1050 Add segmentDir option to WebGraph (markus)
* NUTCH-1055 upgrade package.html file in language identifier plugin (lewismc)
* NUTCH-1059 Remove convdb command from /bin/nutch (lewismc)
* NUTCH-1019 Edit comment in org.apache.nutch.crawl.Crawl to reflect removal of legacy (lewismc)
* NUTCH-1023 Trivial error in error message for org.apache.nutch.crawl.LinkDbReader (lewismc)
* NUTCH-1043 Add pattern for filtering .js in default url filters (jnioche)
* NUTCH-1054 LinkDB optional during indexing (jnioche)
* NUTCH-1029 Readdb throws EOFException (markus)
* NUTCH-1036 Solr jobs should increment counters in Reporter (markus)
* NUTCH-987 Support HTTP auth for Solr communication (markus)
* NUTCH-1027 Degrade log level of `can't find rules for scope` (markus)
* NUTCH-783 IndexingFiltersChecker utility (jnioche via markus)
* NUTCH-1030 WebgraphDB program requires manually added directories (markus)
* NUTCH-1011 Normalize duplicate slashes in URL's (markus)
* NUTCH-993 NullPointerException at FetcherOutputFormat.checkOutputSpecs (Christian Guegi via jnioche)
* NUTCH-1013 Migrate RegexURLNormalizer from Apache ORO to java.util.regex (markus)
* NUTCH-1016 Strip UTF-8 non-character codepoints and add logging for SolrWriter (markus)
* NUTCH-1012 Cannot handle illegal charset $charset (markus)
* NUTCH-1022 Upgrade version number of Nutch agent in conf (markus)
* NUTCH-295 Description for fetcher.threads.fetch property (kubes via markus)
* NUTCH-1000 Add option not to commit to Solr (markus)
* NUTCH-1006 MetaEquiv with single quotes not accepted (markus)
* NUTCH-1010 ContentLength not trimmed (markus)
Release 1.3 - 6/4/2011
* NUTCH-995 Generate POM file using the Ivy makepom task (mattmann, jnioche, Gabriele Kahlout)
* NUTCH-1003 task 'package' does not reflect the new organisation of the code (jnioche)
* NUTCH-994 Fine tune Solr schema (markus)
* NUTCH-997 IndexingFitlers to store Date objects instead of Strings (jnioche)
* NUTCH-996 Indexer adds solr.commit.size+1 docs (markus)
* NUTCH-983 Upgrade SolrJ to 3.1 (markus, jnioche)
* NUTCH-989 Index-basic plugin and Solr schema now use date fieldType for tstamp field (markus)
* NUTCH-888 Remove parse-rss and add tests for rss to parse-tika (jnioche)
* NUTCH-991 SolrDedup must issue a commit (markus)
* NUTCH 986 SolrDedup fails due to date incorrect format (markus)
* NUTCH-977 SolrMappingReader uses hardcoded configuration parameter name for mapping file (markus)
* NUTCH-976 Rename properties solrindex.* to solr.* (markus)
* NUTCH-890 Fix IllegalAccessError with slf4j used in Solrj (markus)
* NUTCH-891 Subcollection plugin won't require blacklist any more (markus)
* NUTCH-972 CrawlDbMerger doesn't break on non-existent input (Gabriele Kahlout via jnioche)
* NUTCH-967 Upgrade to Tika 0.9 (jnioche)
* NUTCH-975 Fix missing/wrong headers in source files (markus)
* NUTCH-963 Add support for deleting Solr documents with STATUS_DB_GONE in CrawlDB (Claudio Martella, markus)
* NUTCH-825 Publish nutch artifacts to central maven repository (mattmann, jnioche)
* NUTCH-962 max. redirects not handled correctly: fetcher stops at max-1 redirects (Sebastian Nagel via ab)
* NUTCH-921 Reduce dependency of Nutch on config files (ab)
* NUTCH-876 Remove remaining robots/IP blocking code in lib-http (ab)
* NUTCH-872 Change the default fetcher.parse to FALSE (ab)
* NUTCH-564 External parser supports encoding attribute (Antony Bowesman, mattmann)
* NUTCH-964 Upgraded Xerces to 2.91, ERROR conf.Configuration - Failed to set setXIncludeAware (markus)
* NUTCH-927 Fetcher.timelimit.mins is invalid when depth is greater than 1 (Wade Lau via jnioche)
* NUTCH-824 Crawling - File Error 404 when fetching file with an hexadecimal character in the file name (Michela Becchi via jnioche)
* NUTCH-954 Strict application of Content-Length limit for http protocols (Alexis Detreglode via jnioche)
* NUTCH-950 DomainURLFilter throws NPE on bogus urls (Alexis Detreglode via jnioche)
* NUTCH-935 basicurlnormalizer removes unnecessary /./ in URLs (Stondet via markus)
* NUTCH-912 MoreIndexingFilter does not parse docx and xlsx date formats (Markus Jelsma, jnioche)
* NUTCH-886 A .gitignore file for Nutch (dogacan)
* NUTCH-930 Remove remaining dependencies on Lucene API (ab)
* NUTCH-883 Remove unused parameters from nutch-default.xml (jnioche)
* NUTCH-936 LanguageIdentifier should not set empty lang field on NutchDocument (Markus Jelsma via jnioche)
* NUTCH-787 ScoringFilters should not override the injected score (jnioche)
* NUTCH-949 Conflicting ANT jars in classpath (jnioche)
* NUTCH-863 Benchmark and a testbed proxy server (ab)
* NUTCH-844 Improve NutchConfiguration (ab)
* NUTCH-845 Native hadoop libs not available through maven (ab)
* NUTCH-843 Separate the build and runtime environments (ab)
* NUTCH-821 Use ivy in nutch builds (Enis Soztutar, jnioche)
* NUTCH-837 Remove search servers and Lucene dependencies (ab)
* NUTCH-836 Remove deprecated parse plugins (jnioche)
* NUTCH-939 Added -dir command line option to SolrIndexer (Claudio Martella via ab)
* NUTCH-948 Remove Lucene dependencies (ab)
Release 1.2 - 09/18/2010
* NUTCH-901 Make index-more plug-in configurable (Markus Jelsma via mattmann)
* NUTCH-908 Infinite Loop and Null Pointer Bugs in Searching (kubes via mattmann)
* NUTCH-906 Nutch OpenSearch sometimes raises DOMExceptions (Asheesh Laroia via ab)
* NUTCH-862 HttpClient null pointer exception (Sebastian Nagel via ab)
* NUTCH-905 Configurable file protocol parent directory crawling (Thorsten Scherler, mattmann, ab)
* NUTCH-877 Allow setting of slop values for non-quote phrase queries on query-basic plugin (kubes via jnioche)
* NUTCH-716 Make subcollection index filed multivalued (Dmitry Lihachev via jnioche)
* NUTCH-878 ScoringFilters should not override the injected score
* NUTCH-870 Injector should add the metadata before calling injectedScore (jnioche via mattmann)
* NUTCH-858 No longer able to set per-field boosts on lucene documents (ab)
* NUTCH-869 Add parse-html back (jnioche)
* NUTCH-871 MoreIndexingFilter missing date format (Max Lynch via mattmann)
* NUTCH-696 Timeout for Parser (ab, jnioche)
* NUTCH-857 DistributedBeans should not close their RPC counterparts (kubes)
* NUTCH-855 ScoringFilter and IndexingFilter: To allow for the propagation of URL Metatags
and their subsequent indexing (Scott Gonyea via mattmann)
* NUTCH-677 Segment merge filering based on segment content (Marcin Okraszewski via mattmann)
* NUTCH-774 Retry interval in crawl date is set to 0 (Reinhard Schwab via mattmann)
* NUTCH-697 Generate log output for solr indexer and dedup (Dmitry Lihachev, Jeroen van Vianen via mattmann)
* NUTCH-850 SolrDeleteDuplicates needs to clone the SolrRecord objects (jnioche)
* NUTCH-838 Add timing information to all Tool classes (Jeroen van Vianen, mattmann)
* NUTCH-835 Document deduplication failed using MD5Signature (Sebastian Nagel via ab)
* NUTCH-831 Allow configuration of how fields crawled by Nutch are stored / indexed /
tokenized (Jeroen van Vianen via mattmann)
* NUTCH-278 Fetcher-status might need clarification: kbit/s instead of kb/s shown (Alex McLintock via mattmann)
* NUTCH-833 Website is still Lucene branded (mattmann, Alex McLintock)
* NUTCH-832 Website menu has lots of broken links - in particular the API docs (Alex McLintock via mattmann)
Release 1.1 - 2010-06-06
* NUTCH-819 Included Solr schema.xml and solrindex-mapping.xml don't play together (ab)
* NUTCH-818 Bugfix : Parse-tika uses minorCodes instead of majorCodes in ParseStatus (jnioche)
* NUTCH-816 Add zip target to build.xml (mattmann)
* NUTCH-732 Subcollection plugin not working (Filipe Antunes, ab)
* NUTCH-815 Invalid blank line before If-Modified-Since header (Pascal Dimassimo via ab)
* NUTCH-814 SegmentMerger bug (Rob Bradshaw, ab)
* NUTCH-812 Crawl.java incorrectly uses the Generator API resulting in NPE (Phil Barnett via mattmann and ab)
* NUTCH-810 Upgrade to Tika 0.7 (jnioche)
* NUTCH-785 Copy metadata from origin URL when redirecting in Fetcher + call scfilters.initialScore on newly created URL (jnioche)
* NUTCH-779 Mechanism for passing metadata from parse to crawldb (jnioche)
* NUTCH-784 CrawlDBScanner (jnioche)
* NUTCH-762 Generator can generate several segments in one parse of the crawlDB (jnioche)
* NUTCH-740 Configuration option to override default language for fetched pages (Marcin Okraszewski via jnioche)
* NUTCH-803 Upgrade to Hadoop 0.20.2 (ab)
* NUTCH-787 Upgrade Lucene to 3.0.1. (Dawid Weiss via ab)
* NUTCH-796 Zero results problems difficult to troubleshoot due to lack of logging (ab)
* NUTCH-801 Remove RTF and MP3 parse plugins (jnioche)
* NUTCH-798 Upgrade to SOLR1.4 and its dependencies (jnioche)
* NUTCH-799 SOLRIndexer to commit once all reducers have finished (jnioche)
* NUTCH-782 Ability to order htmlparsefilters (jnioche)
* NUTCH-719 fetchQueues.totalSize incorrect in Fetcher (Steven Denny via jnioche)
* NUTCH-790 Some external javadoc links are broken (siren)
* NUTCH-766 Tika parser (jnioche via mattmann)
* NUTCH-786 Improvement to the list of suffix domains (jnioche)
* NUTCH-775 Enhance searcher interface (siren)
* NUTCH-781 Update Tika to v0.6 (jnioche)
* NUTCH-269 CrawlDbReducer: OOME because no upper-bound on inlinks count (stack + jnioche)
* NUTCH-655 Injecting Crawl metadata (jnioche)
* NUTCH-658 Use counters to report fetching and parsing status (jnioche)
* NUTCH-777 Upgrading to jetty6 broke unit tests (mattmann)
* NUTCH-767 Update Tika to v0.5 for the MimeType detection (Julien Nioche via ab)
* NUTCH-769 Fetcher to skip queues for URLS getting repeated exceptions
(Julien Nioche via ab)
* NUTCH-768 - Upgrade Nutch 1.0 to use Hadoop 0.20.1, also upgrades Xerces to
version 2.9.1. (kubes)
* NUTCH-712 ParseOutputFormat should catch java.net.MalformedURLException
coming from normalizers (Julien Nioche via ab)
* NUTCH-741 Job file includes multiple copies of nutch config files
(Kirby Bohling via ab)
* NUTCH-739 SolrDeleteDuplications too slow when using hadoop (Dmitry Lihachev via ab)
* NUTCH-738 Close SegmentUpdater when FetchedSegments is closed
(Martina Koch, Kirby Bohling via ab)
* NUTCH-746 NutchBeanConstructor does not close NutchBean upon contextDestroyed,
causing resource leak in the container. (Kirby Bohling via ab)
* NUTCH-772 Upgrade Nutch to use Lucene 2.9.1 (ab)
* NUTCH-760 Allow field mapping from Nutch to Solr index (David Stuart, ab)
* NUTCH-761 Avoid cloning CrawlDatum in CrawlDbReducer (Julien Nioche, ab)
* NUTCH-753 Prevent new Fetcher from retrieving the robots twice (Julien Nioche via ab)
* NUTCH-773 - Some minor bugs in AbstractFetchSchedule (Reinhard Schwab via ab)
* NUTCH-765 - Allow Crawl class to call Either Solr or Lucene Indexer (kubes)
* NUTCH-735 - crawl-tool.xml must be read before nutch-site.xml when
invoked using crawl command (Susam Pal via dogacan)
* NUTCH-721 - Fetcher2 Slow (Julien Nioche via dogacan)
* NUTCH-702 - Lazy Instanciation of Metadata in CrawlDatum (Julien Nioche via dogacan)
* NUTCH-707 - Generation of multiple segments in multiple runs returns only 1 segment
(Michael Chen, ab)
* NUTCH-730 - NPE in LinkRank if no nodes with which to create the WebGraph
(Dennis Kubes via ab)
* NUTCH-731 - Redirection of robots.txt in RobotRulesParser (Julien Nioche via ab)
* NUTCH-757 - RequestUtils getBooleanParameter() always returns false
(Niall Pemberton via ab)
* NUTCH-754 - Use GenericOptionsParser instead of FileSystem.parseArgs() (Julien
Nioche via ab)
* NUTCH-756 - CrawlDatum.set() does not reset Metadata if it is null (Julien Nioche
via ab)
* NUTCH-679 - Fetcher2 implementing Tool (Julien Nioche via ab)
* NUTCH-758 - Set subversion eol-style to "native" (Niall Pemberton via ab)
Release 1.0 - 2009-03-23
1. NUTCH-474 - Fetcher2 crawlDelay and blocking fix (Dogacan Guney via ab)
2. NUTCH-443 - Allow parsers to return multiple Parse objects.
(Dogacan Guney et al, via ab)
3. NUTCH-393 - Indexer should handle null documents returned by filters.
(Eelco Lempsink via ab)
4. NUTCH-456 - Parse msexcel plugin speedup (Heiko Dietze via siren)
5. NUTCH-446 - RobotRulesParser should ignore Crawl-delay values of other
bots in robots.txt (Dogacan Guney via siren)
6. NUTCH-482 - Remove redundant plugin lib-log4j (siren)
7. NUTCH-483 - Remove redundant commons-logging jar from ontology plugin
(siren)
8. NUTCH-161 - Change Plain text parser to
use parser.character.encoding.default property for fall back encoding
(KuroSaka TeruHiko, siren)
9. NUTCH-61 - Support for adaptive re-fetch interval and detection of
unmodified content. (ab)
10. NUTCH-392 - OutputFormat implementations should pass on Progressable.
(cutting via ab)
11. NUTCH-495 - Unnecessary delays in Fetcher2 (dogacan)
12. NUTCH-443 - allow parsers to return multiple Parse object, this will speed
up the rss parser (dogacan via mattmann). This update is a fix and semantics
change from the original patch for NUTCH-443. The original patch did not tell
the Indexer to read crawl_parse too so that it can pickup sub-urls' fetch
datums. This patch addresses that issue. Now, if Fetcher gets a null content,
instead of pushing an empty content, it filters the null content.
13. NUTCH-485 - Change HtmlParseFilter 's to return ParseResult object instead of
Parse object. (Gal Nitzan via dogacan)
14. NUTCH-489 - URLFilter-suffix management of the url path when the url contains
some query parameters. (Emmanuel Joke via dogacan)
15. NUTCH-502 - Bug in SegmentReader causes infinite loop.
(Ilya Vishnevsky via dogacan)
16. NUTCH-444 Possibly use a different library to parse RSS feed for improved
performance and compatibility. This patch introduced a new plugin, feed,
that includes an index filter and a parse plugin for feeds that uses ROME.
There was discussion to remove parse-rss, in light of the feed plugin,
however, this patch does not explicitly remove parse-rss. (dogacan, mattmann)
17. NUTCH-471 - Fix synchronization in NutchBean creation.
(Enis Soztutar via dogacan)
18. Upgrade to Lucene 2.2.0 and Hadoop 0.12.3. (ab)
19. NUTCH-468 - Scoring filter should distribute score to all outlinks at
once. (dogacan)
20. NUTCH-504 - NUTCH-443 broke parsing during fetching. (dogacan)
21. NUTCH-497 - Extreme Nested Tags causes StackOverflowException in
DomContentUtils...Spider Trap. (kubes)
22. NUTCH-434 - Replace usage of ObjectWritable with something based on
GenericWritable. (dogacan)
23. NUTCH-499 - Refactor LinkDb and LinkDbMerger to reuse code. (dogacan)
24. NUTCH-498 - Use Combiner in LinkDb to increase speed of linkdb generation.
(Espen Amble Kolstad via dogacan)
25. NUTCH-507 - lib-lucene-analyzers jar defintion is wrong in plugin.xml.
(Emmanuel Joke via dogacan)
26. NUTCH-503 - Generator exits incorrectly for small fetchlists.
(Vishal Shah via dogacan)
27. NUTCH-505 - Outlink urls should be validated. (dogacan)
28. NUTCH-510 - IndexMerger delete working dir. (Enis Soztutar via dogacan)
29. NUTCH-513 - suffix-urlfilter.txt does not have a template. (dogacan)
30. NUTCH-515 - Next fetch time is set incorrectly. (dogacan)
30. NUTCH-506 - Nutch should delegate compression to Hadoop. (dogacan)
31. NUTCH-517 - build encoding should be UTF-8. (Enis Soztutar via dogacan).
32. NUTCH-518 - Fix OpicScoringFilter to respect scoring filter chaining.
(Enis Soztutar via dogacan)
33. NUTCH-516 - Next fetch time is not set when it is a
CrawlDatum.STATUS_FETCH_GONE. (Emmanuel Joke via dogacan)
34. NUTCH-525 - DeleteDuplicates generates ArrayIndexOutOfBoundsException
when trying to rerun dedup on a segment. (Vishal Shah via dogacan)
35. NUTCH-514 - Indexer should only index pages with fetch status SUCCESS.
(dogacan) Note: There is a bigger problem, i.e how to deal
with redirected pages, and this issue can be considered as a band-aid
for the time being. See NUTCH-273 and NUTCH-353 for more details.
36. NUTCH-533 - LinkDbMerger: url normalized is not updated in the key and
inlinks list. (Emmanuel Joke via dogacan)
37. NUTCH-535 -ParseData's contentMeta accumulates unnecessary values during
parse. (dogacan)
38. NUTCH-522 - Use URLValidator in the Injector. (Emmanuel Joke, dogacan)
39. NUTCH-536 - Reduce number of warnings in nutch core. (dogacan)
40. NUTCH-439 - Top Level Domains Indexing / Scoring. Also adds
domain-related utilities. (Enis Soztutar via dogacan)
41. NUTCH-544 - Upgrade Carrot2 clustering plugin to the newest stable
release (2.1). (Dawid Weiss via dogacan)
42. NUTCH-545 - Configuration and OnlineClusterer get initialized in every
request. (Dawid Weiss via dogacan)
43. NUTCH-532 - CrawlDbMerger: wrong computation of last fetch time.
(Emmanuel Joke via dogacan)
44. NUTCH-550 - Parse fails if db.max.outlinks.per.page is -1. (dogacan)
45. NUTCH-546 - file URL are filtered out by the crawler. (dogacan)
46. NUTCH-554 - Generator throws IOException on invalid urls.
(Brian Whitman via ab)
47. NUTCH-529 - NodeWalker.skipChildren doesn't work for more than 1 child.
(Emmanuel Joke via dogacan)
48. NUTCH-25 - needs 'character encoding' detector.
(Doug Cook, dogacan, Marcin Okraszewski, Renaud Richardet via dogacan)
49. NUTCH-508 - ${hadoop.log.dir} and ${hadoop.log.file} are not propagated
to the tasktracker. (Mathijs Homminga, Emmanuel Joke via dogacan)
50. NUTCH-562 - Port mime type framework to use Tika mime detection framework.
(mattmann)
51. NUTCH-488 - Avoid parsing uneccessary links and get a more relevant outlink
list. (Emmanuel Joke, Marcin Okraszewski via kubes)
52. NUTCH-501 - Implement a different caching mechanism for objects cached in
configuration. (dogacan)
53. NUTCH-552 - Upgrade Nutch to Hadoop 0.15.x. (kubes)
54. NUTCH-565 - Arc File to Nutch Segments Converter. (kubes)
55. NUTCH-547 - Redirection handling: YahooSlurp's algorithm.
(dogacan, kubes via dogacan)
56. NUTCH-548 - Move URLNormalizer from Outlink to ParseOutputFormat.
(Emmanuel Joke via dogacan)
57. NUTCH-538 - Delete unused classes under o.a.n.util. (dogacan)
58. NUTCH-494 - FindBugs: CrawlDbReader and DeleteDuplicates. (dogacan)
59. NUTCH-574 - Including inlink anchor text in index can create irrelevant
search results. Created index-anchor plugin, removed functionality from
index-basic plugin. For backwards compatibility, add index-anchor plugin to
nutch-site.xml plugin.includes. (kubes)
60. NUTCH-581 - DistributedSearch does not update search servers added to
search-servers.txt on the fly. (Rohan Mehta via kubes)
61. NUTCH-586 - Add option to run compiled classes without job file
(enis via ab)
62. NUTCH-559 - NTLM, Basic and Digest Authentication schemes for web/proxy
server. (Susam Pal via dogacan)
63. NUTCH-534 - SegmentMerger: add -normalize option (Emmanuel Joke via ab)
64. NUTCH-528 - CrawlDbReader: add some new stats + dump into a CSV format
(Emmanuel Joke via ab)
65. NUTCH-597 - NPE in Fetcher2 (Remco Verhoef via ab)
66. NUTCH-584 - urls missing from fetchlist (Ruslan Ermilov, ab)
67. NUTCH-580 - Remove deprecated hadoop api calls (FS) (siren)
68. NUTCH-587 - Upgrade to Hadoop 0.15.3 (kubes)
69. NUTCH-604 - Upgrade to Lucene 2.3.0 (ab)
70. NUTCH-602 - Allow configurable number of handlers for search servers
(hartbecke via kubes)
71. NUTCH-607 - Update build.xml to include tika jar when building war (kubes)
72. NUTCH-608 - Upgrade nutch to use released apache-tika-0.1-incubating (mattmann)
73. NUTCH-606 - Refactoring of Generator, run all urls through checks (kubes)
74. NUTCH-605 - Change deprecated configuration methods for Hadoop (kubes)
75. NUTCH-603 - Add more default url normalizations (kubes)
76. NUTCH-611 - Upgrade Nutch to use Hadoop 0.16 (kubes)
77. NUTCH-44 - Too many search results, limits max results returned from a
single search. (Emilijan Mirceski and Susam Pal via kubes)
78. NUTCH-567 - Proper (?) handling of URIs in TagSoup. TagSoup library is
updated to 1.2 version. (dogacan)
79. NUTCH-613 - Empty summaries and cached pages (kubes via ab)
80. NUTCH-612 - URL filtering was disabled in Generator when invoked
from Crawl (Susam Pal via ab)
81. NUTCH-601 - Recrawling on existing crawl directory (Susam Pal via ab)
82. NUTCH-575 - NPE in OpenSearchServlet (John H. Lee via ab)
83. NUTCH-126 - Fetching https does not work with a proxy (Fritz Elfert via ab)
84. NUTCH-615 - Redirected URL-s fetched without setting fetchInterval.
Guard against reprUrl being null. (Emmanuel Joke, ab)
85. NUTCH-616 - Reset Fetch Retry counter when fetch is successful (Emmanuel
Joke, ab)
86. NUTCH-220 - Upgrade to PDFBox 0.7.3 (ab)
87. NUTCH-223 - Crawl.java uses Integer.MAX_VALUE (Jeff Ritchie via ab)
88. NUTCH-598 - Remove deprecated use of ToolBase. Use generics in Hadoop API.
(Emmanuel Joke, dogacan, ab)
89. NUTCH-620 - BasicURLNormalizer should collapse runs of slashes with a
single slash. (Mark DeSpain via ab)
90. NUTCH-500 - Add hadoop masters configuration file into conf folder.
(Emmanuel Joke via kubes)
91. NUTCH-596 - ParseSegments parse content even if its not
CrawlDatum.STATUS_FETCH_SUCCESS (dogacan)
92. NUTCH-618 - Tika error "Media type alias already exists" (mattmann,kubes)
93. NUTCH-634 - Upgrade Nutch to Hadoop 0.17.1 (Michael Gottesman, Lincoln
Ritter, ab)
94. NUTCH-641 - IndexSorter inorrectly copies stored fields (ab)
95. NUTCH-645 - Parse-swf unit test failing (ab)
96. NUTCH-642 - Unit tests fail when run in non-local mode (ab)
97. NUTCH-639 - Change LuceneDocumentWrapper visibility from
private to _public_ (Guillaume Smet via dogacan)
98. NUTCH-651 - Remove bin/{start|stop}-balancer.sh from svn
tracking. (dogacan)
99. NUTCH-375 - Add support for Content-Encoding: deflated
(Pascal Beis, ab)
100. NUTCH-633 - ParseSegment no longer allow reparsing.
(dogacan)
101. NUTCH-653 - Upgrade to hadoop 0.18. (dogacan)
102. NUTCH-621 - Nutch needs to declare it's crypto usage (mattmann)
103. NUTCH-654 - urlfilter-regex's main does not work.
(dogacan)
104. NUTCH-640 - confusing description "set it to Integer.MAX_VALUE".
(dogacan)
105. NUTCH-662 - Upgrade Nutch to use Lucene 2.4. (kubes)
106. NUTCH-663 - Upgrade Nutch to use Hadoop 0.19 (kubes)
107. NUTCH-647 - Resolve URLs tool (kubes)
108. NUTCH-665 - Search Load Testing Tool (kubes)
109. NUTCH-667 - Input Format for working with Content in Hadoop Streaming
(kubes)
110. NUTCH-635 - LinkAnalysis Tool for Nutch. (kubes)
111. NUTCH-646 - New Indexing Framework for Nutch. (kubes)
112. NUTCH-668 - Domain URL Filter. (kubes)
113. NUTCH-594 - Serve Nutch search results in multiple formats including
XML and JSON. (kubes)
114. NUTCH-442 - Integrate Solr/Nutch. (dogacan, original version by siren)
115. NUTCH-652 - AdaptiveFetchSchedule#setFetchSchedule doesn't calculate
fetch interval correctly. (dogacan)
116. NUTCH-627 - Minimize host address lookup (Otis Gospodnetic)
117. NUTCH-678 - Hadoop 0.19 requires an update of jets3t.
(julien nioche via dogacan)
118. NUTCH-681 - parse-mp3 compilation problem.
(Wildan Maulana via dogacan)
119. NUTCH-676 - MapWritable is written inefficiently and confusingly.
(dogacan)
120. NUTCH-579 - Feed plugin only indexes one post per feed due to identical
digest. (dogacan)
121. NUTCH-571 - parse-mp3 plugin doesn't always index album of mp3.
(Joseph Chen, dogacan)
122. NUTCH-682 - SOLR indexer does not set boost on the document.
(julien nioche via dogacan)
123. NUTCH-279 - Additions to urlnormalizer-regex (Stefan Neufeind, ab)
124. NUTCH-671 - JSP errors in Nutch searcher webapp (Edwin Chu via ab)
125. NUTCH-643 - ClassCastException in PDF parser (Guillaume Smet, ab)
126. NUTCH-636 - Httpclient plugin https doesn't work on IBM JRE
(Curtis d'Entremont, ab)
127. NUTCH-683 - NUTCH-676 broke CrawlDbMerger. (dogacan)
128. NUTCH-631 - MoreIndexingFilter fails with NoSuchElementException
(Stefan Will, siren)
129. NUTCH-691 - Update jakarta poi jars to the most relevant version
(Dmitry Lihachev via siren)
130. NUTCH-563 - Include custom fields in BasicQueryFilter
(Julien Nioche via siren)
131. NUTCH-695 - Incorrect mime type detection by MoreIndexingFilter plugin
(Dmitry Lihachev via siren)
132. NUTCH-694 - Distributed Search Server fails (siren)
133. NUTCH-626 - Fetcher2 breaks out the domain with db.ignore.external.links
set at cross domain redirects (Remco Verhoef, dogacan via siren)
134. NUTCH-247 - Robot parser to restrict (kubes, siren)
135. NUTCH-698 - CrawlDb is corrupted after a few crawl cycles (dogacan
via siren)
136. NUTCH-699 - Add an "official" solr schema for solr integration (dogacan,
Dmitry Lihachev via siren)
137. NUTCH-703 - Upgrade to Hadoop 0.19.1 (ab)
138. NUTCH-419 - Unavailable robots.txt kills fetch (Carsten Lehmann,
Doug Cook via ab)
139. NUTCH-700 - Neko1.9.11 goes into a loop (Julien Nioche, siren)
140. NUTCH-669 - Consolidate code for Fetcher and Fetcher2 (siren)
141. NUTCH-711 - Indexer failing after upgrade to Hadoop 0.19.1 (ab)
142. NUTCH-684 - Dedup support for Solr. (dogacan)
143. NUTCH-715 - Subcollection plugin doesn't work with default
subcollections.xml file (Dmitry Lihachev via siren)
144. NUTCH-722 - Nutch contains JAI jars that we cannot redistribute
Release 0.9 - 2007-04-02
1. Changed log4j confiquration to log to stdout on commandline
tools (siren)
2. NUTCH-344 - Fix for thread blocking issue (Greg Kim via siren)
3. NUTCH-260 - Update hadoop version to 0.5.0 (Renaud Richardet,
siren)
4. Optionally skip pages with abnormally large values of Crawl-Delay
(Dennis Kubes via ab)
5. Change readdb -stats to use CombiningCollector (ab)
6. NUTCH-348 - Fix Generator to select highest scoring pages (Chris
Schneider and Stefan Groschupf via ab)
7. NUTCH-347 - Adjust plugin build script not to emit warnings when copying
dependant jars (siren)
8. NUTCH-338 - Remove the text parser as an option for parsing PDF files
in parse-plugins.xml (Chris A. Mattmann via siren)
9. NUTCH-105 - Network error during robots.txt fetch causes file to
be ignored (Greg Kim via siren)
10. NUTCH-367 - DistributedSearch thown ClassCastException (siren)
11. NUTCH-332 - Fix the problem of doubling scores caused by links pointing
to the current page (e.g. anchors). (Stefan Groschupf via ab)
12. NUTCH-365 - Flexible URL normalization (ab)
13. NUTCH-336 - Differentiate between newly discovered pages and newly
injected pages (Chris Schneider via ab) NOTE: this changes the
scoring API, filter implementations need to be updated.
14. NUTCH-337 - Fetcher ignores the fetcher.parse value (Stefan Groschupf
via ab)
15. NUTCH-350 - Urls blocked by http.max.delays incorrectly marked as GONE
(Stefan Groschupf via ab)
16. NUTCH-374 - when http.content.limit be set to -1 and
Response.CONTENT_ENCODING is gzip or x-gzip , it can not fetch any thing
(King Kong via pkosiorowski)
17. NUTCH-383 - upgrade to Hadoop 0.7.1 and Lucene 2.0.0. (ab)
****************************** WARNING !!! ********************************
* This upgrade breaks data format compatibility. A tool 'convertdb' *
* was added to migrate existing CrawlDb-s to the new format. Segment data *
* can be partially migrated using 'mergesegs', however segments will *
* require re-parsing (and consequently re-indexing). *
****************************** WARNING !!! ********************************
18. NUTCH-371 - DeleteDuplicates now correctly implements both parts of
the algorithm. (ab)
19. NUTCH-391 - ParseUtil logs file contents to log file when it cannot
find parser (siren)
20. NUTCH-379 - ParseUtil does not pass through the content's URL to the
ParserFactory (Chris A. Mattmann via siren)
21. NUTCH-361, NUTCH-136 - When jobtracker is 'local' generate only one
partition. (ab)
22. NUTCH-399 - Change CommandRunner to use concurrent api from jdk (siren)
23. NUTCH-395 - Increase fetching speed (siren)
24. NUTCH-388 - nutch-default.xml has outdated example for urlfilter.order
(reported by Jared Dunne)
25. NUTCH-404 - Fix LinkDB Usage - implementation mismatch (siren)
26. NUTCH-403 - Make URL filtering optional in Generator (siren)
27. NUTCH-405 - Content object is not properly initialized in map method
of ParseSegment (siren)
28. NUTCH-362 - Remove parse-text from unsupported filetypes in
parse-plugins.xml (siren)
29. NUTCH-305 - Update crawl and url filter lists to exclude
jpeg|JPEG|bmp|BMP, suffix-urlfilter.txt (contributed by Stefan
Neufeind) is also updated (siren)
30. NUTCH-406 - Metadata tries to write null values (mattmann)
31. NUTCH-415 - Generator should mark selected records in CrawlDb.
Due to increased resource consumption this step is optional.
Application-level locking has been added to prevent concurrent
modification of databases. (ab)
32. NUTCH-416 - CrawlDatum status and CrawlDbReducer refactoring. It is
now possible to correctly update CrawlDb from multiple segments.
Introduce new status codes for temporary and permanent
redirection. (ab)
33. NUTCH-322 - Fix Fetcher to store redirected pages and to store
protocol-level status. This also should fix NUTCH-273. (ab)
34. Change default Fetcher behavior not to follow redirects immediately.
Instead Fetcher will record redirects as new pages to be added to CrawlDb.
This also partially addresses NUTCH-273. (ab)
35. Detect and report when Generator creates 0-sized segments. (ab)
36. Fix Injector to preserve already existing CrawlDatum if the seed list
being injected also contains such URL. (ab)
37. NUTCH-425, NUTCH-426 - Fix anchors pollution. Continue after
skipping bad URLs. (Michael Stack via ab)
38. NUTCH-325 - UrlFilters.java throws NPE in case urlfilter.order contains
Filters that are not in plugin.includes (Stefan Groschupf, siren)
39. NUTCH-421 - Allow predeterminate running order of indexing filters
(Alan Tanaman, siren)
40. When indexing pages with redirection, drop all intermediate pages and
index only the final page. (ab)
41. Upgrade to Hadoop 0.10.1. (ab)
42. NUTCH-420 - Fix a bug in DeleteDuplicates where results depended on the
order in which IndexDoc-s are processed. (Dogacan Guney via ab)
43. NUTCH-428 - NullPointerException thrown when agent name is not
configured properly. Changed to throw RuntimeException instead.
(siren)
44. NUTCH-430 - Integer overflow in HashComparator.compare (siren)
45. NUTCH-68 - Add a tool to generate arbitrary fetchlists. (ab)
46. NUTCH-433 - java.io.EOFException in newer nightlies in mergesegs
or indexing from hadoop.io.DataOutputBuffer (siren)
47. NUTCH-339 - Fetcher2: a queue-based fetcher implementation. (ab)
48. NUTCH-390 - Javadoc warnings (mattmann)
49. NUTCH-449 - Make junit output format configurable. (nigel via cutting)
50. NUTCH-432 - Fix a bug where platform name with spaces would break the
bin/nutch script. (Brian Whitman via ab)
51. Upgrade to Hadoop 0.11.2 and Lucene 2.1.0 release. (ab)
52. NUTCH-167 - Observation of robots "noarchive" directive. (ab)
53. NUTCH-384 - Protocol-file plugin does not allow the parse plugins
framework to operate properly (Heiko Dietze via mattmann)
54. NUTCH-233 - Wrong regular expression hangs reduce process forever (Stefan
Groschupf via kubes)
55. NUTCH-436 - Incorrect handling of relative paths when the embedded URL
path is empty (kubes)
56. Upgrade to Hadoop 0.12.1 release. (ab)
57. NUTCH-246 - Incorrect segment size being generated due to time
synchronization issue (Stefan Groschupf via ab)
58. Upgrade to Hadoop 0.12.2 release. (ab)
59. NUTCH-333 - SegmentMerger and SegmentReader should use NutchJob. (Michael
Stack and Dogacan Guney via kubes)
Release 0.8 - 2006-07-25
0. Totally new architecture, based on hadoop
[http://lucene.apache.org/hadoop] (cutting)
1. NUTCH-107 - Typo in plugin/urlfilter-*/plugin.xml. (Stephen Cross).
2. NUTCH-108 - Log hosts that exceed generate.max.per.host.
(Rod Taylor via cutting)
3. NUTCH-88 - Enhance ParserFactory plugin selection policy
(jerome)
4. NUTCH-124 - Protocol-httpclient does not follow redirects when
fetching robots.txt (cutting)
5. NUTCH-130 - Be explicit about target JVM when building (1.4.x?)
(stack@archive.org, cutting)
6. NUTCH-114 - Getting number of urls and links from crawldb
(Stefan Groschupf via ab)
7. NUTCH-112 - Link in cached.jsp page to cached content is an
absolute link (Chris A. Mattmann via jerome)
8. NUTCH-135 - Http header meta data are case insensitive in the
real world (Stefan Groschupf via jerome)
9. NUTCH-145 - Build of war file fails on Chinese (zh) .xml files due
to UTF-8 BOM (KuroSaka TeruHiko via siren)
10. NUTCH-121 - SegmentReader for mapred (Rod Taylor via ab)
11. Added support for OpenSearch (cutting)
12. NUTCH-142 - NutchConf should use the thread context classloader
(Mike Cannon-Brookes via pkosiorowski)
13. NUTCH-160 - Use standard Java Regex library rather than
org.apache.oro.text.regex (Rod Taylor via cutting)
14. NUTCH-151 - CommandRunner can hang after the main thread exec is
finished and has inefficient busy loop (Paul Baclace via cutting)
15. NUTCH-174 - Problem encountered with ant during compilation
16. NUTCH-190 - ParseUtil drops reason for failed parse
(stack@archive.org via ab)
17. NUTCH-169 - Remove static NutchConf (Marko Bauhardt via ab)
18. NUTCH-194 - Nutch-169 introduced two tiny bugs (Marko Bauhardt via ab)
19. NUTCH-178 - in search.jsp must be session creation "false"
(YourSoft via siren)
20. NUTCH-200 - OpenSearch Servlet ist broken
(Marko Bauhardt via siren)
21. NUTCH-81 - Webapp only works when deployed in root
(AJ Banck, Michael Nebel via siren)
22. NUTCH-139 - Standard metadata property names in the ParseData
metadata (Chris A. Mattmann, jerome)
23. NUTCH-192 - Meta data support for CrawlDatum
(Stefan Groschupf via ab)
24. NUTCH-52 - Parser plugin for MS Excel files
(Rohit Kulkarni via jerome)
25. NUTCH-53 - Parser plugin for Zip files
(Rohit Kulkarni via jerome)
26. NUTCH-137 - footer is not displayed in search result page
(KuroSaka TeruHiko via siren)
27. NUTCH-118 - FAQ link points to invalid URL
(Steve Betts via siren)
28. NUTCH-184 - Serbian (sr, Cyrilic) and Serbo-Croatian (sh, Latin)
translation (Ivan Sekulovic via siren)
29. NUTCH-211 - FetchedSegments leave readers open (Stefan Groschupf
via cutting)
30. NUTCH-140 - Add alias capability in parse-plugins.xml file that
allows mimeType->extensionId mapping (Chris A. Mattmann via jerome)
31. NUTCH-214 - Added Links to web site to search mailling list
(Jake Vanderdray via jerome)
32. NUTCH-204 - Multiple field values in HitDetails
(Stefan Groschupf via jerome)
33. NUTCH-219 - file.content.limit & ftp.content.limit should be changed
to -1 to be consistent with http (jerome)
34. NUTCH-221 - Prepare nutch for upcoming lucene 2.0 (siren)
35. NUTCH-91 - Empty encoding causes exception (Michael Nebel via
pkosiorowski)
36. NUTCH-228 - Clustering plugin descriptor broken (Dawid Weiss via
jerome)
37. NUTCH-229 - Improved handling of plugin folder configuration
(Stefan Groschupf via ab)
38. NUTCH-206 - Search server throws InstantiationException (ab)
39. NUTCH-203 - ParseSegment throws InstantiationException (Marko Bauhardt
via ab)
40. NUTCH-3 - Multi values of header discarded (Stefan Groschupf via ab)
41. Update to lucene 1.9.1 (cutting)
42. NUTCH-235 - Duplicate Inlink values (ab)
43. NUTCH-234 - Clustering extension code cleanups and a real
JUnit test case for the current implementation (Dawid Weiss via ab)
44. NUTCH-210 - Context.xml file for Nutch web application
(Chris A. Mattmann via jerome)
45. NUTCH-231 - Invalid CSS entries (AJ Banck via jerome)
46. NUTCH-232 - Search.jsp has multiple search forms creating
invalid html / incorrect focus function (jerome)
47. NUTCH-196 - lib-xml and lib-log4j plugins (ab, jerome)
48. NUTCH-244 - Inconsistent handling of property values
boundaries / unable to set db.max.outlinks.per.page to
infinite (jerome)
49. NUTCH-245 - DTD for plugin.xml configuration files
(Chris A. Mattmann via jerome)
50. NUTCH-250 - Generate to log truncation caused by
generate.max.per.host (Rod Taylor via cutting)
51. NUTCH-125 - OpenOffice Parser plugin (ab)
52. Switch from using java.io.File to org.apache.hadoop.fs.Path.
(cutting)
53. NUTCH-240 - Scoring API: extension point, scoring filters and
an OPIC plugin (ab)
54. NUTCH-134 - Summarizer doesn't select the best snippets (jerome)
55. NUTCH-268 - Generator and lib-http use different definitions of
"unique host" (ab)
56. NUTCH-280 - Url query causes NullPointerException (Grant Glouser
via siren)
57. NUTCH-285 - LinkDb Fails rename doesn't create parent directories
(Dennis Kubes via ab)
58. NUTCH-201 - Add support for subcollections
(siren)
59. NUTCH-298 - If a 404 for a robots.txt is returned a NPE is thrown
(Stefan Groschupf via jerome)
60. NUTCH-275 - Fetcher not parsing XHTML-pages at all (jerome)
61. NUTCH-301 - CommonGrams loads analysis.common.terms.file for each query
(Stefan Groschupf via jerome)
62. NUTCH-110 - OpenSearchServlet outputs illegal xml characters
(stack@archive.org via siren)
63. NUTCH-292 - OpenSearchServlet: OutOfMemoryError: Java heap space
(Stefan Neufeind via siren)
64. NUTCH-307 - Wrong configured log4j.properties (jerome)
65. NUTCH-303 - Logging improvements (jerome)
66. NUTCH-308 - Maximum search time limit (ab)
67. NUTCH-306 - DistributedSearch.Client liveAddresses concurrency
problem (Grant Glouser via siren)
68. Update to hadoop-0.4 (Milind Bhandarkar, cutting)
69. NUTCH-317 - Clarify what the queryLanguage argument of
Query.parse(...) means (jerome)
70. Added alternative experimental web gui in contrib containing
extensions like subcollection, keymatch, user preferences,
caching, implemented mainly using tiles and jstl (siren)
71. NUTCH-320 DmozParser does not output list of urls to stdout
but to a log file instead. Original functionality restored.
72. NUTCH-271 - Add ability to limit crawling to the set of initially
injected hosts (db.ignore.external.links) (Philippe Eugene,
Stefan Neufeind via ab)
73. NUTCH-293 - Support for Crawl-Delay (Stefan Groschupf via ab)
74. NUTCH-327 - Fixed logging directory on cygwin (siren)
Release 0.7 - 2005-08-17
1. Added support for "type:" in queries. Search results are limited/qualified
by mimetype or its primary type or sub type. For example,
(1) searching with "type:application/pdf" restricts results
to pages which were identified to be of mimetype "application/pdf".
(2) with "type:application", nutch will return pages of
primary type "application".
(3) with "type:pdf", only pages of sub type "pdf" will be listed.
(John Xing, 20050120)
2. Added support for "date:" in queries. Last-Modified is indexed.
Search results are restricted by lower and upper date (inclusive)
as date:yyyymmdd-yyyymmdd. For example, date:20040101-20041231
only returns pages with Last-Modified in year 2004.
(John Xing, 20050122)
3. Add URLFilter plugin interface and convert existing url filters into
plugins. (John Xing, 20050206)
4. Add UpdateSegmentsFromDb tool, which updates the scores and
anchors of existing segments with the current values in the web
db. This is used by CrawlTool, so that pages are now only fetched
once per crawl. (Doug Cutting, 20050221)
5. Moved code into org.apache.nutch sub-packages. Changed license to
Apache 2.0. Removed jar files whose licenses do not permit
redistribution by Apache. Disabled compilation of plugins which
require these libraries. (Doug Cutting 20050301)
6. Index host and title in separate fields. Host was indexed
previously only as a part of the URL. Title was indexed as an
anchor. Now boosts for matching these fields may be adjusted
separately from boosts for matching anchors and url. Also: move
site indexing to index-basic plugin to minimize the number of
times the URL needs to be parsed; and, stop using anchor analyzer
for anything but anchors. (Piotr Kosiorowski via Doug Cutting
20050323)
7. Add servlet Cached.java that serves cached Content of any mime type.
Slightly modified are web.xml and cached.jsp.
(John Xing, 20050401)
8. Add skipCompressedByteArray() to WritableUtils.java.
(John Xing, 20050402)
9. Fixes to jsp and static web pages. These now use relative links,
so that the Nutch webapp file can be used in places other than at
the root. Also fixed links to the about and help pages. Bug #32.
(Jerome Charron via cutting, 20050404)
10. Added some features to DistributedSearch: new segments can be added
to searchservers without restarting the frontend, defective search
servers are not queried until tey come back online, watchdog keeps
an eye for your searchservers and writes simple statistics.
(Sami Siren, 20050407)
11. Fix for bug #4 - Unbalanced quote in query eats all resources.
(Piotr Kosiorowski, Sami Siren, 20050407)
12. Close Issue #33 - MIME content type detector (using magic char sequences).
(Jerome Charron and Hari Kodungallur via John Xing, 20050416)
13. Add a servlet that implements A9's OpenSearch RSS web service.
(cutting, 20050418)
14. Remove references to link analysis from tutorial, and enable
scoring by link count when generating fetchlists and searching.
(cutting, 20040419)
15. Make query boosts for host, title, anchor and phrase matches
configurable. (Piotr Kosiorowski via cutting, 20050419)
16. Add support for sorting search results and search-time deduping by
fields other than site.
17. Automatically convert range queries into cached range filters.
This improves the performance and scalability of, e.g., date range
searching.
18. Several methods have been renamed due to misspellings. The old
methods have been deprecated and will be removed before the 1.0
release.
Release 0.6
1. Added clustering-carrot2 plugin, together with introduction of clustering
api and modification to search jsp. (Dawid Weiss via John Xing, 20040809)
2. Make a number of changes to NDFS (Nutch Distributed File System)
to fix bugs, add admin tools, etc.
Also, modify all command line tools so you can indicate whether to
use NDFS or the local filesystem. If you indicate nothing, then
it defaults to the local fs.
I've used this to do a 35m page crawl via NDFS, distributed over a
dozen machines. (Mike Cafarella)
3. Add support for BASE tags in HTML. Outlinks are now correctly
extracted when a BASE tag is present. (cutting)
4. Fix two bugs in result pagination. When the last hit on a page
was the last hit overall, the "next" button was sometimes shown
when the "show all" button should be shown instead. Also, in
certain cases, the "show all" button would be shown when the
"next" button should have been shown. (cutting)
5. Add config parameter "indexer.max.tokens" that determines the
maximum number of tokens indexed per field. (Andy Hedges via cutting)
6. Add parser for mp3 files. (Andy Hedges via cutting)
7. Add RegexUrlNormalizer. This is useful for things like stripping
out session IDs from URLs. To use it, add values for
urlnormalizer.class and urlnormalizer.regex.file to your
nutch-site.xml. The RegexUrlNormalizer class extends the
BasicUrlNormalizer, and does basic normalization as well.
(Luke Baker via cutting)
8. Added Swedish translation (Stefan Verzel via Sami Siren, 20040910)
9. Added Polish translation (Andrzej Bialecki, 20040911)
10. Added 3 more language profiles to language identifier (ru,hu,pl).
Other changes to language identifier: Porfiles converted to utf8,
added some test cases, changed the similarity calculation.
(Sami Siren, 20040925)
11. Added plugin parse-rtf (Andy Hedges via John Xing, 20040929)
12. Added plugin index-more and more.jsp (John Xing, 20041003)
13. Added "View as Plain Text" feature. A new op OP_PARSETEXT is introduced
in DistributedSearch.java. text.jsp is added. (John Xing, 20041006)
14. Fixed a bug that fails cached.jsp, explain.jsp, anchors.jsp and text.jsp
(but not search.jsp) with NullPointerException in distributed search.
It seems that this bug appears after "hits per site" stuff is added.
The fix is done in Hit.java, making sure String site is never null.
Hope this fix not have bad effetct on "hits per site" code.
(John Xing, 20041006)
15. Fixed a bug that fails fullyDelete() in FileUtil.java for
LocalFileSystem.java. This bug also exposes possible incompleteness
of NDFSFile.java, where a few methods are not supported, including
delete(). Nothing changed in NDFSFile.java though. Leave it for future
improvement (John Xing, 20041022).
16. Introduced option -noParsing to Fetcher.java and added ParseSegment.java.
A new status code CANT_PARSE is added to FetcherOutput.java.
Without option -noParsing , no change in fetcher behavior. With
option -noParsing, fetcher does crawls only, no parsing is carried out.
Then, ParseSegment.java should be used to parse in separate pass.
(John Xing, 20041025)
17. Added ontology plugin. Currently it is used for query refinement, as
examplified in refine-query-init.jsp and refine-query.jsp. By default,
query refinement is disabled in search.jsp. Please check
./src/plugin/ontology/README.txt for further description.
Ontology plugin certainly can be used for many other things.
(Michael J. Pan via John Xing, 20041129)
18. Changed fetcher.server.delay to be a float, so that sub-second
delays can be specified. (cutting)
19. Added plugin.includes config parameter that determines which
plugins are included. By default now only http, html and basic
indexing and search plugins are enabled, rather than all plugins.
This should make default performance more predictable and reliable
going forward. (cutting)
20. Cleaned up some filesystem code, including:
- Replaced BufferedRandomAccessFile with two simpler utilties,
NFSDataInputStream and NFSDataOutputStream.
- Fixed the bug where SequenceFiles were no longer flushed when
created, so that, when fetches crashed, segments were
unreadable. Now segments are always readable after crashes.
Only the contents of the last buffer is lost.
- Simplified the FSOutputStream API to not include seek(). We
should never need that functionality.
- Simplified LocalFileSystem's implementations of FSInputStream
and FSOutputStream and optimized FSInputStream.seek().
(cutting)
21. Fixed BasicUrlNormalizer to better handle relative urls. The file
part of a URL is normalized in the following manner:
1. "/aa/../" will be replaced by "/" This is done step by step until
the url doesn´t change anymore. So we ensure, that
"/aa/bb/../../" will be replaced by "/", too
2. leading "/../" will be replaced by "/"
(Sven Wende via cutting)
22. Fix Page constructors so that next fetch date is less likely to be
misconstrued as a float. This patches a problem in WebDBInjector,
where new pages were added to the db with nextScore set to the
intended nextFetch date. This, in turn, confused link analysis.
23. In ndfs code, replace addLocalFile(), putToLocalFile() with
copyFromLocalFile(), moveFromLocalFile(), copyToLocalFile() and
moveToLocalFile(). (John Xing, 20041217)
24. Added new config parameter fetcher.threads.per.host. This is used
by the Http protocol. When this is one behavior is as before.
When this is greater than one then multiple threads are permitted
to access a host at once. Note that fetcher.server.delay is no
longer consistently observed when this is greater than one.
(Luke Baker via Doug Cutting)
Release 0.5
1. Changed plugin directory to be a list of directories.
2. Permit Plugin to be the default plugin implementation.
3. Added pluggable interface for network protocols in new package
net.nutch.protocol. Moved http code from core into a plugin.
4. Added pluggable interface for content parsing in new package
net.nutch.parse. Moved html parsing code from core into a
plugin.
5. Fixed a bug in NutchAnalysis where 16-bit characters were not
processed correctly.
6. Fixed bug #971731: random summaries on result page.
(Daniel Naber via cutting)
7. Made Nutch logo transparent. (Daniel Naber via cutting)
8. Added file protocol plugin. (John Xing via cutting)
9. Added ftp protocol plugin. (John Xing via cutting)
10. Added pdf and msword parser plugins. (John Xing via cutting)
11. Added pluggable indexing interface. By default, url, content,
anchors and title are indexed, as before, but now one can easily
alter this to, e.g., index metadata. A demonstration is provided
which extracts and indexes Creative Commons license urls. (cutting)
12. Add language identification plugin.
The process of identification is as follows:
1. html (html only, HTML 4.0 "lang" attribute)
2. meta tags (html only, http-equiv, dc.language)
3. http header (Content-Language)
4. if all above fail "statistical analysis"
1 & 2 are run during the fetching phase and 3 & 4 are run on
indexing phase.
Currently supported languages (in "statistical analysis") are
da,de,el,en,es,fi,fr,it,nl,sv and pt. The corpus used was grabbed
from http://www.isi.edu/~koehn/europarl/ and the profiles were
build with tool supplied in patch.
After indexing the language can be found from field named "lang"
It's not 100% accurate but it's a start.
(Sami Siren)
13. Added SegmentMergeTool and "mergesegs" command, to remove
duplicated or otherwise not used content from several segments and
joining them together into a single new segment. The tool also
optionally performs several other steps required for proper
operation of Nutch - such as indexing segments, deleting
duplicates, merging indices, and indexing the new single segment.
(Andrzej Bialecki)
14. Add the ability to retrieve ParseData of a search hit. ParseData
contains many valuable properties of a search hit.
This is required (among others) to properly display the cached
content because it's not possible to determine the character
encoding from the output of the getContent() method (which returns
byte[]). The symptoms are that for HTML pages using non-latin1 or
non-UTF8 encodings the cached preview will almost certainly look
broken. Using the attached patch it is possible to determine the
character encoding from the ParseData (for HTTP: Content-Type
metadata), and encode the content accordingly. (Andrzej Bialecki)
15. Add a pluggable query interface. By default, the content, anchor
and url fields are searched as before. A sample plugin indexes
the host name and adds a "site:" keyword to query parsing.
16. Added support for "lang:" in queries. For example, searching with
"lang:en" restricts results to pages which were identified to
be in English.
17. Automatically optimize field queries to use cached Lucene filters.
This makes, for example, searches restricted by languages or sites
that are very common much faster.
18. Improved charset handling in jsp pages. (jshin by cutting)
19. Permit topic filtering when injecting DMOZ pages. (jshin by cutting)
20. When parsing crawled pages, interpret charset specifications in
html meta tags. (jshin by cutting)
21. Added support for "cc:licensed" in queries, which searches for documents
released under Creative Commons licenses. Attributes of the
license may also be queried, with, e.g., "cc:by" for
attribution-required licenses, "cc:nc" for non-commercial
licenses, etc.
22. Relative paths named in plugin.folders are now searched for on the
classpath. This makes, e.g., deployment in a war file much simpler.
23. Modifications to Fetcher.java.
1. Make sure it works properly with regard to creation and initialization
of plugin instances. The problem was that multiple threads race to
startUp() or shutDown() plugin instances. It was solved by synchronizing
certain codes in PluginRepository.java and Extension.java.
(Stefan Groschupf via John Xing)
2. Added code to explictly shutDown() plugins. Otherwise FetcherThreads
may never return (quit) if there are still data or other structures
(e.g., persistent socket connections) associated with plugins. (John Xing)
3. Fixed one type of Fetcher "hang" problems by monitoring named
FetcherThreads. If all FetcherThreads are gone (finished),
Fetcher.java is considered done. The problem was: there could be
runaway threads started by external libs via FetcherThreads.
Those threads never return, thus keep Fetcher from exiting normally.
(John Xing)
24. Eliminate excessive hits from sites. This is done efficiently by
adding the site name to Hit instances, and, when needed,
re-querying with too-frequent sites prohibited in the query.
Release 0.4
1. Http class refactored. (Kevin Smith via Tom Pierce)
2. Add Finnish translation. (Sampo Syreeni via Doug Cutting)
3. Added Japanese translation. (Yukio Andoh via Doug Cutting)
4. Updated Dutch translation. (Ype Kingma via Doug Cutting)
5. Initial version of Distributed DB code. (Mike Cafarella)
6. Make things more tolerant of crashed fetcher output files.
(Doug Cutting)
7. New skin for website. (Frank Henze via Doug Cutting)
8. Added Spanish translation. (Diego Basch via Doug Cutting)
9. Add FTP support to fetcher. (John Xing via Doug Cutting)
10. Added Thai translation. (Pichai Ongvasith via Doug Cutting)
11. Added Robots.txt & throttling support to Fetcher.java. (Mike
Cafarella)
12. Added nightly build. (Doug Cutting)
13. Default all link scores to 1.0. (Doug Cutting)
14. Permit one to keep internal links. (Doug Cutting)
15. Fixed dedup to select shortest URL. (Doug Cutting)
16. Changed index merger so that merged index is written to named
directory, rather than to a generated name in that directory.
(Doug Cutting)
17. Disable coordination weighting of query clauses and other minor
scoring improvements. (Doug Cutting)
18. Added a new command, crawl, that constructs a database, injects a
url file and performs a few rounds of generate/fetch/updatedb.
This simplifies use for intranet sites. Changed some defaults to
be more intranet friendly. (Doug Cutting)
19. Fixed a bug where Fetcher.java didn't construct correct relative
links when a page was redirected. (Doug Cutting)
20. Fixed a query parser problem with lookahead over plusses and minuses.
(Doug Cutting)
21. Add support for HTTP proxy servers. (Sami Siren via Doug Cutting)
22. Permit searching while fetching and/or indexing.
(Sami Siren via Doug Cutting)
23. Fix a bug when throttling is disabled. (Sami Siren via Doug Cutting)
24. Updated Bahasa Malaysia translation. (Michael Lim via Doug Cutting)
25. Added Catalan translation. (Xavier Guardiola via Doug Cutting)
26. Added brazilian portuguese translation.
(A. Moreir via Doug Cutting)
27. Added a french translation. (Julien Nioche via Doug Cutting)
28. Updated to Lucene 1.4RC3. (Doug Cutting)
29. Add capability to boost by link count & use it in crawl tool.
(Doug Cutting)
30. Added plugin system. (Stefan Groschupf via Doug Cutting)
31. Add this change log file, for recording significant changes to
Nutch. Populate it with changes from the last few months.
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