test/java/security/testlibrary/Proc.java: if (hasModules) { Stream.of(jdk.internal.misc.VM.getRuntimeArguments()) - .filter(arg -> arg.startsWith("--add-exports=")) + .filter(arg -> arg.startsWith("--add-exports=") || + arg.startsWith("--add-opens")) .forEach(cmd::add); } Maybe "--add-opens=" to be more precise? Thanks Max