Misleading output from jcmd JFR.check
David Holmes
david.holmes at oracle.com
Wed Sep 6 06:52:52 UTC 2017
Hi Martin,
On 6/09/2017 4:38 PM, Martin Skarsaune wrote:
> Hi
>
> If I run *JFR.check* in build 9+181 , the response indicates that I can
> invoke *VM.unlock_commercial_features*.
> This command is not available in the given VM.
>
> The output should not refer to this command i VM where it is not available.
>
> Cheers
>
> Martin Skarsaune
>
>
> Example:
>
> Martins-MacBook-Pro-2:Downloads marska$ java -version
>
> java version "9"
>
> Java(TM) SE Runtime Environment (build 9+181)
>
> Java HotSpot(TM) 64-Bit Server VM (build 9+181, mixed mode)
>
> Martins-MacBook-Pro-2:Downloads marska$
> /Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home/bin/jcmd 11700
> JFR.check
>
> 11700:
What JVM is process 11700? What does "jcmd 11700 help" show?
Thanks,
David
-----
> Java Flight Recorder not enabled.
>
>
> Use VM.unlock_commercial_features to enable.
>
>
More information about the serviceability-dev
mailing list