RFR: 8311989: Test java/lang/Thread/virtual/Reflection.java timed out
Jaikiran Pai
jpai at openjdk.org
Mon Jul 31 07:23:51 UTC 2023
On Fri, 28 Jul 2023 15:44:54 GMT, Alan Bateman <alanb at openjdk.org> wrote:
> This is a test only change to a test that exercises core reflection from virtual threads. One of the tests (testNewInstance6) uses a custom scheduler in setup to check that calling a constructor reflectively, where the constructor parks, doesn't pin the underlying carrier. The test schedules an unpark from a virtual thread but the test is missing a call to Thread::join, thus creating a race between shutdown of the scheduler and the unpark. Two sightings of the test failing so far, both -Xcomp and ZGC.
>
> While in the area, two usages of Thread.sleep in the test have been replaced with latches.
The change looks good to me.
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Marked as reviewed by jpai (Reviewer).
PR Review: https://git.openjdk.org/jdk/pull/15073#pullrequestreview-1554107159
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