RFR (XXS): 8132334: [TESTBUG] gc/metaspace/TestCapacityUntilGCWrapAround.java Compilation failed

[Kim Barrett]

On Jul 27, 2015, at 9:12 PM, Dmitry Fazunenko <dmitry.fazunenko at oracle.com> wrote:
> 
> On 27.07.2015 21:49, Kim Barrett wrote:
>> On Jul 24, 2015, at 12:23 PM, Dmitry Fazunenko <dmitry.fazunenko at oracle.com> wrote:
>>> Hi everyone,
>>> 
>>> Can I have reviews for the trivial change that must fix the compilation problem?
>>> https://bugs.openjdk.java.net/browse/JDK-8132334
>>> 
>>> webrev:
>>> http://cr.openjdk.java.net/~dfazunen/8132334/webrev/
>>> 
>>> Comments: In some circumstances jtreg doesn't see wb classes if they weren't built explicitly.
>> Under what circumstances does this occur?  I see other tests that look very similar to the pre-change version of this test - what makes this test so special?
>> 
> I don't have an answer. I just heard about such problem, but I didn't find the bug. Might be because it's not filed yet. The hypothesis is the concurrency might cause such effect.

Without an understanding of why this change is needed here but not
elsewhere, I'm concerned that we're either

1. papering over one instance of a more widespread problem, or
2. not really solving the problem with this test after all.