Hello. When I run your code, it had an exception. In addition, v is null and vm is "" . Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at ...

Got the following NPE when press ok (or cancel in the security warning dialog). Using 2.0-snapshot. No further progress after this NPE Exception in thread "AWT-EventQueue-0" java.lang.NullPointerEx ...