RFR:8219721: jcmd from earlier release will hang attaching to VM with JDK-8215622 applied

[臧琳]

Hi David, 
Thanks a lot for your review. 

Hi All, 
May I get more review about this patch, it is a trivial patch to fix compatibility issue. 

Thanks, 
Lin


> -----Original Message-----
> From: David Holmes <david.holmes at oracle.com>
> Sent: Tuesday, March 5, 2019 2:12 PM
> To: 臧琳 <zanglin5 at jd.com>; serviceability-dev at openjdk.java.net
> serviceability-dev at openjdk.java.net <serviceability-dev at openjdk.java.net>
> Subject: Re: RFR:8219721: jcmd from earlier release will hang attaching to VM
> with JDK-8215622 applied
> 
> Hi Lin,
> 
> On 4/03/2019 7:13 pm, 臧琳 wrote:
> > Dear All,
> >     May I ask your help to review the fix of compatibility issue introduced by
> JDK-8215622
> >     webrev:  http://cr.openjdk.java.net/~xiaofeya/8219721/webrev.01/
> >     Bug:  https://bugs.openjdk.java.net/browse/JDK-8219721
> >
> >     FYI, this webrev is forked from the discussion
> https://mail.openjdk.java.net/pipermail/serviceability-dev/2019-
> February/027240.html.
> 
> This looks good to me. I can confirm that it fixes the problem of tools from
> earlier releases hanging.
> 
> Thanks,
> David
> 
> > Thanks,
> > Lin
> >