RFR: 8231585: java/lang/management/ThreadMXBean/MaxDepthForThreadInfoTest.java fails with java.lang.NullPointerException

[serguei.spitsyn at oracle.com]

Hi Daniil,

LGTM++

Thanks,
Serguei


On 4/17/20 14:14, Chris Plummer wrote:
> Looks good.
>
> Chris
>
> On 4/17/20 1:03 PM, Daniil Titov wrote:
>> Please review the change that fixes intermittent failure of 
>> java/lang/management/ThreadMXBean/MaxDepthForThreadInfoTest.java
>>
>> As David noticed (thank you, David, for this analysis) there is no 
>> guarantee that all threads found by getAllThreadIds() are still alive 
>> by the time we call getThreadInfo() so we have to allow for null 
>> array entries.
>>
>> Testing:  Mach5 tests with Graal on passed 300 times.
>>
>> [1] http://cr.openjdk.java.net/~dtitov/8231585/webrev.01/
>> [2] https://bugs.openjdk.java.net/browse/JDK-8231585
>>
>> Best regards,
>> Daniil
>>
>>
>