RFR: 8293819: sun/util/logging/PlatformLoggerTest.java failed with "RuntimeException: Retrieved backing PlatformLogger level null is not the expected CONFIG"

[Jaikiran Pai]

On Thu, 15 Sep 2022 11:29:40 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

> The sun/util/logging/PlatformLoggerTest.java is missing a couple of Reference::reachabilityFence calls to maintain loggers alive while the test is running. It has been observed failing under stress.

test/jdk/sun/util/logging/PlatformLoggerTest.java line 136:

> 134:                 logger.getName() + " " + logger.getLevel());
> 135:         }
> 136:         Reference.reachabilityFence(logger);

Hello Daniel, I don't follow why the reachabilityFence would be needed here for the `logger`. Wouldn't the `logger` be already "alive" at this line in the method?

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PR: https://git.openjdk.org/jdk/pull/10284