RFR: 8374364: TestCgroupMetrics.java fails when docker service unavailable

[Jie Fu]

On Fri, 26 Dec 2025 06:02:09 GMT, SendaoYan <syan at openjdk.org> wrote:

> So i think it's better to leave this check inside test, same like to jdk/internal/platform/docker/TestSystemMetrics.java.

I don't think so.

Just imagine someone may call `MetricsTester.main(args)` again in the future, how can you prevent him/her not forgetting adding the check before the call?

That's why I would suggest adding it in the place where it requires docker directly, not the place indirectly.

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PR Comment: https://git.openjdk.org/jdk/pull/28996#issuecomment-3692221565