RFR: 8189373: jmap -heap exited with error code

[Roman Kennke]

Hi David, hi Jini,

thank you both for review!

Now I need a sponsor. Final patch (incl. summary and reviewed-by):
http://cr.openjdk.java.net/~rkennke/8189373/webrev.01/ 
<http://cr.openjdk.java.net/%7Erkennke/8189373/webrev.01/>

Thank you!
Roman

> I also took a look and it seemed okay - Jini is the expert so that's 
> good enough for me. :)
>
> Reviewed.
>
> David
>
> On 19/10/2017 8:57 PM, Jini George wrote:
>> Your changes look good to me, Roman.
>>
>> Nit: Please do change the copyright year to 2017 in 
>> CollectedHeapName.java.
>>
>> Thank you,
>> Jini (not a Reviewer).
>>
>> On 10/18/2017 11:59 PM, Roman Kennke wrote:
>>> My recent CMSHeap extraction has broken the JVM servicability agent. 
>>> It looks like I actually need a little bit more boilerplate to make 
>>> it happy:
>>>
>>> http://cr.openjdk.java.net/~rkennke/8189373/webrev.00/ 
>>> <http://cr.openjdk.java.net/%7Erkennke/8189373/webrev.00/>
>>>
>>> It does fix the test that's mentioned in the bug report:
>>>
>>> https://bugs.openjdk.java.net/browse/JDK-8189373
>>>
>>> Is this the correct way to fix it?
>>>
>>> Roman
>>>
>>>