Hello, > --add-modules java.xml.ws >instead of: > --add-modules javax.xml.ws
"/usr/lib/jvm/default-java/bin/javac" -encoding UTF-8 -source 1.9 -target 1.9 -Xlint:unchecked --add-modules java.xml.ws \ /<<PKGBUILDDIR>>/out/obj/vboxjws-gen/jwsgen/java/org/virtualbox_5_2/IUSBDeviceStateChangedEvent.java:25: error: package javax.xml.ws is not visible import javax.xml.ws.*; ^ (package javax.xml.ws is declared in module java.xml.ws, which is not in the module graph) /<<PKGBUILDDIR>>/out/obj/vboxjws-gen/jwsgen/java/org/virtualbox_5_2/IEvent.java:25: error: package javax.xml.ws is not visible import javax.xml.ws.*; ^ seems to make not much difference G.