lucene/README.md

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# Apache Lucene
![Lucene Logo](https://lucene.apache.org/theme/images/lucene/lucene_logo_green_300.png?v=0e493d7a)
Apache Lucene is a high-performance, full-featured text search engine library
written in Java.
2021-03-10 17:52:29 -05:00
[![Build Status](https://ci-builds.apache.org/job/Lucene/job/Lucene-Artifacts-main/badge/icon?subject=Lucene)](https://ci-builds.apache.org/job/Lucene/job/Lucene-Artifacts-main/)
## Online Documentation
This README file only contains basic setup instructions. For more
comprehensive documentation, visit:
- Latest Releases: <https://lucene.apache.org/core/documentation.html>
- Nightly: <https://ci-builds.apache.org/job/Lucene/job/Lucene-Artifacts-main/javadoc/>
- Build System Documentation: [help/](./help/)
- Developer Documentation: [dev-docs/](./dev-docs/)
- Migration Guide: [lucene/MIGRATE.md](./lucene/MIGRATE.md)
## 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](./CONTRIBUTING.md) for details.
## Contributing
Bug fixes, improvements and new features are always welcome!
Please review the [Contributing to Lucene
Guide](./CONTRIBUTING.md) for information on
contributing.
## Discussion and Support
- [Users Mailing List](https://lucene.apache.org/core/discussion.html#java-user-list-java-userluceneapacheorg)
- [Developers Mailing List](https://lucene.apache.org/core/discussion.html#developer-lists)
- IRC: `#lucene` and `#lucene-dev` on freenode.net