bugfix: fix flakey test, avoid early finalization #13095
Merged
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Addresses a flakey test issue noticed by @Jackie-Jiang here. Also addresses other tests that could be flakey for the same reason.
For background, see: https://julien.ponge.org/blog/not-all-java-single-threaded-executors-are-created-equal-a-java-finalizer-horror-story/ and https://bugs.openjdk.org/browse/JDK-8145304.
Executors.newSingleThreadExecutor
can only be used in this manner safely in Java 21+.Also verified that non-test code using
Executors.newSingleThreadExecutor
looks safe.tags:
bugfix