Declaring open mnodules will hopefully address this problem in the Jenkins CI build:
10:41:50 > Task :spring-geode-docs:asciidoctor
10:41:50 2022-02-23T18:41:49.599Z [main] WARN FilenoUtil : Native subprocess control requires open access to the JDK IO subsystem
10:41:50 Pass '--add-opens java.base/sun.nio.ch=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED' to enable.