RFR: 8349670: HttpServer: sending interim responses fails after JDK-7026262 [v8]

[Josiah Noel]

On Wed, 8 Oct 2025 18:28:14 GMT, robert engels <duke at openjdk.org> wrote:

> usage of 100 Continue

There are other 1xx status codes than 100 (103 for example), the point of the test isn't really as much about 100 continue as it about the ability to send a 1xx status code without closing the connection. For me this PR is just a prerequisite for a follow up PR allowing proper support for 101 switching protocols

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PR Comment: https://git.openjdk.org/jdk/pull/27069#issuecomment-3382759809