RFR: 8204170: MXBeanException.java assumes the existence of a pool that doesn't support usage threshold

[mandy chung]

On 5/31/18 10:01 AM, Stefan Karlsson wrote:
> Hi Mandy,
> 
> On 2018-05-31 18:44, mandy chung wrote:
>> Hi Stefan,
>>
>> I think a better fix is to find another operation that will throw an 
>> exception.  ThreadMXBean::getThreadInfo throws IAE and it can be a 
>> candidate.
> 
> Thanks for taking a look at this patch.
> 
> The test checks a number of different operations, and the suggestion 
> would change the test significantly. I'm not sure this is the time to 
> completely rewrite this test. If the null check is problematic, then I 
> think it would be better to just exclude this test when running with 
> ZGC, and get the current testing when running with the other GCs.
> 
> Does this sound reasonable?

Sounds good with me.

Filtering out the test when running with ZGC is a good interim fix.  The 
serviceability team can modify this test to use a different operation as 
a separate issue.

Mandy