You may need Perl installed for that: https://github.com/apache/solr/blob/main/gradle/documentation/changes-to-html.gradle#L23.
See https://github.com/apache/solr/blob/main/dev-docs/how-to-contribute.adoc for some details. Jan > 13. sep. 2023 kl. 19:39 skrev Nope nope <skylowsp...@gmail.com>: > > I am currently trying to run the command \gradlew build and it says this: > " Task :solr:documentation:changesToHtml FAILED". I have java version 17, I > am wondering if anyone has had this issue before and how they have fixed > it. Thankyou