Hi David, Yasumasa,
> > > Do we support connection to later VMs from earlier JDK tools? > > I could not find the spec about this. > So I asked to serviceability folks before filing this to JBS :-) > > Just to chime in on that, I do not know if it is specified but it is certainly very handy in daily use. I often use old jcmd tools to connect to newer VMs. I always thought that was a neat design. ..Thomas