RFR(XS) 8242787: sun/tools/jhsdb/HeapDumpTestWithActiveProcess.java fails with sun.jvm.hotspot.types.WrongTypeException

serguei.spitsyn at oracle.com serguei.spitsyn at oracle.com
Thu Apr 16 21:59:50 UTC 2020


Hi Chris,

This looks good.

Thanks,
Serguei


On 4/16/20 10:18, Chris Plummer wrote:
> Hello,
>
> Please review the following:
>
> https://bugs.openjdk.java.net/browse/JDK-8242787
> http://cr.openjdk.java.net/~cjplummer/8242787/webrev.00/index.html
>
> After fixing JDK-8230731 [1], this test still failed, this time with a 
> WrongTypeException. The issue is basically the same one as was just 
> fixed in JDK-8235220 [2]. With CDS on you sometimes get a 
> WrongTypeException instead of an AddressException, so in some places 
> code that allows an AddressException needs to also allow a 
> WrongTypeException.
>
> Note that fixing this issue then exposes JDK-8242789 [3], which I'll 
> be fixing next, so the problem list entry changed from JDK-8242787 to 
> JDK-8242789.
>
> I also did a bit of cleaning up of some debugging code. During my 
> debugging session I set DEBUG = true to get some extra debugging 
> output, and suddenly a lot of tests were failing with a 
> RuntimeException. This is because of the debugging code I've now 
> stripped out. It decided to convert an acceptable failure type 
> (UnknownOopException) into one that the outer try/catch would not 
> catch (RuntimeException). UnknownOopException is not suppose to cause 
> iterateLiveRegions() to abort.
>
> https://bugs.openjdk.java.net/browse/JDK-8230731
> https://bugs.openjdk.java.net/browse/JDK-8235220
> https://bugs.openjdk.java.net/browse/JDK-8242789
>
> thanks,
>
> Chris



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