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

[Erik Gahlin]

Alan Bateman skrev 2013-08-12 15:16:
> 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?

There is no way today, but a status bar could be added at the bottom. I 
will look into it

Thanks
Erik

>
> -Alan