On Thu, 16 Feb 2023 14:38:21 GMT, Alexey Ivanov <aiva...@openjdk.org> wrote:
> The test has become unstable recently, there were quite a few failures, on
> Windows mostly. I was lucky enough to find a host where the test failed
> consistently.
>
> I call `System.gc()` directly as suggested in comments to the bug. I used
> `PhantomReference` instead of `WeakReference`.
>
> Now the test calls `System.gc()` in a loop and waits for the reference to be
> enqueued. In majority of cases, the test exits the loop at the second attempt.
test/jdk/java/awt/List/ListGarbageCollectionTest/AwtListGarbageCollectionTest.java
line 72:
> 70: do {
> 71: System.out.println("Attempt " + count);
> 72: System.gc();
As far as I remember the call of System.gc() could be ignored, and the only way
to trigger GC is to trigger the OOM. Probably we can combine
referenceQueue.remove(ENQUEUE_TIMEOUT) + OOM?
-------------
PR: https://git.openjdk.org/jdk/pull/12594
