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

[Alan Bateman]

On 06/08/2013 19:53, Erik Gahlin wrote:
> 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/
Is there any way for the error messages to be printed on the JTop panel 
rather than printing them to stderr where they might not be seen?

-Alan