2019年2月26日(火) 15:47 Thomas Stüfe <thomas.stu...@gmail.com>: > > 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.
I agree with Thomas, but I think we can update protocol version and reject request(s) from jcmd and other tools on earlier release. I guess serviceability tools like a jhsdb are recommended in use with same version. Thanks, Yasumasa > ..Thomas >