Using Solr with Java 8 is still quite common.
Maybe just what I've seen but Solr usually has users sticking with older versions of Java.
https://solr.apache.org/guide/8_11/solr-system-requirements....
Which is a pain, many products that use Solr as dependency like Sitecore, still lag behind in Solr versions.
https://www.searchstax.com/docs/searchstax-cloud-sitecore-so...
While it mostly works with more recent versions, there is no support if issues cannot be replicated on officially supported versions.
Maybe just what I've seen but Solr usually has users sticking with older versions of Java.