RFR: 8368546: java/net/httpclient/RedirectTimeoutTest.java fails intermittently for HTTP/3 in tier7

[SendaoYan]

On Wed, 24 Sep 2025 13:57:04 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

> The java/net/httpclient/RedirectTimeoutTest.java has been observed failing (once) for HTTP/3 on Windows in tier 7 (debug builds)
> 
> The log reveals that it's the HEAD request used for warmup that is failing in timeout. This was surprising as this HEAD request was not supposed to be configured with a timeout, and a reading of the test code revealed that a non-obvious call to HttpRequest.Builder::copy was missing in the test. I added that call, which should fix the issue.

I run this test with this fix 120 times simultancely, and all the test passed.

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Marked as reviewed by syan (Committer).

PR Review: https://git.openjdk.org/jdk/pull/27471#pullrequestreview-3263178931