RFR: 7904105: intermittent test failure in CleanupDirTests.agentvm.conc

[duke]

On Tue, 28 Oct 2025 03:12:34 GMT, Vladimir Petko <vpetko at openjdk.org> wrote:

> jtharness does not synchronize calls to Observer. Synchronized keyword needs to be added when processing shared state.

@vpa1977 
Your change (at version e346596f80a35d10d982c336015d1ab33e3ce62e) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jtreg/pull/297#issuecomment-3774548042