Setting Lucene Version
You can configure Solr to use a specific version of Lucene. This can help ensure that the Lucene version that Search uses includes the latest features and bug fixes.
At the time that a version of Solr ships, Solr is typically configured to use the
appropriate Lucene version, in which case there is no need to change this setting.
If a subsequent Lucene update occurs, you can configure the Lucene version
requirements by directly editing the
luceneMatchVersionelement in the
x.y, such as