RFR (XS) 8210559: ClassLoaderData Symbols can leak

[coleen.phillimore at oracle.com]

Thank you, Jiangli!
Coleen

On 9/14/18 12:11 PM, Jiangli Zhou wrote:
> Looks even better!
>
> Thanks,
> Jiangli
>
>> On Sep 14, 2018, at 6:04 AM, coleen.phillimore at oracle.com wrote:
>>
>>
>> Thank you Jiangli and Lois.
>> Can you look at 02 too?  I added a whitebox function and to test UnloadTest.java.
>> http://cr.openjdk.java.net/~coleenp/8210559.01/webrev
>> thanks,
>> Coleen
>>
>>> On 9/12/18 9:44 PM, Jiangli Zhou wrote:
>>> +1
>>>
>>> Thanks,
>>>
>>> Jiangli
>>>
>>>
>>>> On 9/12/18 6:28 PM, Lois Foltan wrote:
>>>> Looks good.
>>>> Lois
>>>>
>>>>> On 9/12/2018 7:32 PM, coleen.phillimore at oracle.com wrote:
>>>>> Summary: unrefcount the symbol names when the CLD is destroyed
>>>>>
>>>>> I was going to clean up the sometimes null value of _name and _name_and_id, and have the boot classloader data have a name, but there's a bootstrapping problem.  NULL CLD is created before the SymbolTable.  So this wasn't done.
>>>>>
>>>>> Tested with mach5 hs-tier1-3, and runThese jck which does a lot of class unloading.
>>>>>
>>>>> open webrev at http://cr.openjdk.java.net/~coleenp/8210559.01/webrev
>>>>> bug link https://bugs.openjdk.java.net/browse/JDK-8210559
>>>>>
>>>>> Thanks,
>>>>> Coleen
>>>>>
>>>>>