RFR: 6696975: JTop plugin fails if connected readonly to target JVM

[Erik Gahlin]

Still need a (r)eviewer ok to proceed - can I ask for this please?

Here is the latest change:
http://cr.openjdk.java.net/~egahlin/6696975_2/

Thanks
Erik

Erik Gahlin skrev 2013-08-06 20:53:
> Please review this change.
>
> ThreadMXBean#setThreadCpuTimeEnabled(true) assumes read-write access 
> to the underlying JVM, but if read-access is only available plug-in 
> will fail and throw an exception.
> http://monaco.us.oracle.com/detail.jsf?cr=6696975
>
> Unexpected exceptions occurring in JConsole are taken care of by 
> 6696970, but plug-in should still handle read-only access gracefully, 
> as it today does if functionality is not supported by JVM. This can be 
> important if plug-in is used by other programs.
>
> Webrev:
> http://cr.openjdk.java.net/~egahlin/6696975/
>
> A sponsor is needed
>
> Thanks
> Erik