RFR(XS): 8209736: runtime/RedefineTests/ModifyAnonymous.java fails with NullPointerException when running in CDS mode

[Jiangli Zhou]

Hi Calvin,

How about use a separate loop (before the main test loop in runTest()) 
to print out the class names in the allLoadedClasses array? If null is 
discovered, throw a RuntimeException(). That helps to provide more 
debugging information and also will not silent the issue that causes the 
NPE if it does' resurface again.

Thanks,

Jiangli


On 8/31/18 11:33 AM, Calvin Cheung wrote:
> bug: https://bugs.openjdk.java.net/browse/JDK-8209736
>
> webrev: http://cr.openjdk.java.net/~ccheung/8209736/webrev.00/
>
> The test failure is no longer reproducible; it happened only once in 
> tier3 and once in tier6 testing.
> This simple change is just adding a null check on the variable clazz 
> and prints the array size and index if it is null.
>
> Testing: hs-tier{1,2,3} with default CDS archive in JDK.
>
> thanks,
> Calvin