Java 全文搜索引擎，Apache Lucene 5.4.1 發布

Lucene 是apache軟件基金會一個開放源代碼的全文檢索引擎工具包，是一個全文檢索引擎的架構，提供了完整的查詢引擎和索引引擎，部分文本分析引擎。 Lucene的目的是為軟件開發人員提供一個簡單易用的工具包，以方便的在目標系統中實現全文檢索的功能，或者是以此為基礎建立起完整的全文檢索引擎。

Lucene 最初是由Doug Cutting所撰寫的，是一位資深全文索引/檢索專家，曾經是V-Twin搜索引擎的主要開發者，后來在Excite擔任高級系統架構設計師，目前從事 于一些INTERNET底層架構的研究。他貢獻出Lucene的目標是為各種中小型應用程式加入全文檢索功能。

Apache Lucene 5.4.1 發布，更新如下：

• Bug 修復   (9)

1. LUCENE-6918: LRUQueryCache.onDocIdSetEviction is only called when at least one DocIdSet is being evicted.
   (Adrien Grand)

2. LUCENE-6946: SortField.equals now takes the missingValue parameter into account.
   (Adrien Grand)

3. SOLR-7865: BlendedInfixSuggester was returning too many results
   (Arcadius Ahouansou via Mike McCandless)

4. LUCENE-6929: Fix SpanNotQuery rewriting to not drop the pre/post parameters.
   (Tim Allison via Adrien Grand)

5. LUCENE-6910: fix 'if ... > Integer.MAX_VALUE' check in (Binary|Numeric)DocValuesFieldUpdates.merge (https://scan.coverity.com/projects/5620 CID 119973 and CID 120081) (Christine Poerschke, Coverity Scan (via Rishabh Patel))

6. LUCENE-6950: Fix FieldInfos handling of UninvertingReader, e.g. do not hide the true docvalues update generation or other properties.
   (Ishan Chattopadhyaya via Robert Muir)

7. LUCENE-6948: Fix ArrayIndexOutOfBoundsException in PagedBytes$Reader.fill by removing an unnecessary long-to-int cast.
   (Michael Lawley via Christine Poerschke)

8. LUCENE-6970: Fixed off-by-one error in Lucene54DocValuesProducer that could potentially corrupt doc values.
   (Adrien Grand)

9. LUCENE-2229: Fix Highlighter's SimpleSpanFragmenter when multiple adjacent stop words following a span can unduly make the fragment way too long.
   (Elmer Garduno, Lukhnos Liu via David Smiley)

詳情請看：Changes.html#v5.4.1.bug_fixes

下載地址：5.4.1

來自： http://www.oschina.net//news/70127/lucene-5-4-1