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Apache Lucene open-source search software
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Kaival Parikh 6df6cb093c
LUCENE-10611: Fix Heap Error in HnswGraphSearcher (#958) 
The HNSW graph search does not consider that visitedLimit may be reached in the
upper levels of graph search itself

This occurs when the pre-filter is too restrictive (and its count sets the
visitedLimit). So instead of switching over to exactSearch, it tries to pop
from an empty heap and throws an error.

We can check if results are incomplete after searching in upper levels, and
break out accordingly. This way it won't throw heap errors, and gracefully
switch to exactSearch instead
 		2022-06-16 12:01:54 -07:00
.github Refine contribution guide and pull request template (#916) 2022-05-24 14:56:37 +09:00
buildSrc fail clearly on too-new JDK (#819) 2022-04-21 09:22:26 -04:00
dev-docs Update dev-docs (#919) 2022-05-23 11:13:07 +03:00
dev-tools Fix path to backcompat indexes in release wizard 2022-05-25 12:17:32 +01:00
gradle Try to fix the gradle compilation in idea (#945) 2022-06-09 11:14:10 +02:00
help LUCENE-10532: remove @Slow annotation (#832) 2022-05-09 23:03:55 -04:00
lucene LUCENE-10611: Fix Heap Error in HnswGraphSearcher (#958) 2022-06-16 12:01:54 -07:00
.asf.yaml titles for github 2021-03-10 12:51:06 +01:00
.dir-locals.el LUCENE-9322: Add Lucene90 codec, including VectorFormat 2020-10-18 07:49:36 -04:00
.git-blame-ignore-revs LUCENE-9570: code reformatting [record rev]. 2021-01-05 13:44:42 +01:00
.gitattributes LUCENE-10305: Ensure line endings of versions.props is LF 2021-12-11 10:10:44 +09:00
.gitignore LUCENE-9920: Remove binary gradle-wrapper.jar from the repository 2021-04-10 16:08:39 +02:00
.hgignore LUCENE-2792: add FST impl 2010-12-12 15:36:08 +00:00
.lift.toml Disable liftbot, we have our own tools 2022-05-05 22:27:57 +02:00
CONTRIBUTING.md Refine contribution guide and pull request template (#916) 2022-05-24 14:56:37 +09:00
LICENSE.txt LUCENE-10163 Move LICENSE and NOTICE file to top level (#388) 2021-10-18 01:24:11 +02:00
NOTICE.txt LUCENE-10613: Clean up outdated NOTICE.txt information concerning morfologik 2022-06-13 19:50:54 +02:00
README.md Fix incorrect docs in README.md: it must be java 17 exactly, java 18 does not work (#818) 2022-04-20 11:07:24 -04:00
build.gradle LUCENE-10535: upgrade com.palantir.consistent-versions to 2.10.0 2022-04-26 08:31:15 +02:00
gradlew fail clearly on too-new JDK (#819) 2022-04-21 09:22:26 -04:00
gradlew.bat Fix JVM error branch logic. (#835) 2022-04-25 14:33:56 +02:00
settings.gradle LUCENE-10328: Module path for compiling and running tests is wrong (#571) 2022-01-05 20:42:02 +01:00
versions.lock LUCENE-8930: script testing in the distribution (#550) 2022-01-20 00:09:15 +09:00
versions.props LUCENE-8930: script testing in the distribution (#550) 2022-01-20 00:09:15 +09:00

README.md

Apache Lucene

Lucene Logo

Apache Lucene is a high-performance, full-featured text search engine library written in Java.

Build Status

Online Documentation

This README file only contains basic setup instructions. For more comprehensive documentation, visit:

Building

Basic steps:

  1. Install OpenJDK 17 (exactly this version).
  2. Clone Lucene's git repository (or download the source distribution).
  3. Run gradle launcher script (gradlew).

We'll assume that you know how to get and set up the JDK - if you don't, then we suggest starting at https://jdk.java.net/ and learning more about Java, before returning to this README.

See Contributing Guide for details.

Contributing

Bug fixes, improvements and new features are always welcome! Please review the Contributing to Lucene Guide for information on contributing.

Discussion and Support