Karsten Lentzsch

This problem affects all L&fs that extend the Oracle Windows L&f. The latter is not part of the Java SE, and hence access to the OracleWindows L&f classes is categorized as illegal by default. This affects the JGoodies Windows L&f - both the open source and commercial version. The fix is that you grant access to the Oracle Windows L&f classes. This could be done with a single switch in Java < 16. Since Java 16 it requires to individually grant access to modules. Depending on the Java runtime, this...