Github user jodastephen commented on the issue:
https://github.com/apache/commons-lang/pull/299
There is a lot of complexity in commons-parent and commons generally.
Getting a build to work for Joda was hard enough, and there I am willing to
insist on releases being done on Java 9 or later. There needs to be a lot more
work on the commons build before `module-info` should be considered, however at
the moment its not clear as to whether doing that work would be positive (due
to Android, Jakarta EE issues etc)
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