RFR: 8371903: HttpClient: improve handling of HTTP/2 GOAWAY frames with error code [v7]

[EunHyunsu]

On Tue, 16 Dec 2025 10:27:57 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> @jaikiran I ran jdk_net tests locally. Results: 1047 passed, 1 failed.
>> 
>>   The failed test is `HTTPSetAuthenticatorTest` (HTTP/1.1 Authenticator test) with `SocketException: Connection reset`, which appears to be a flaky test unrelated to this PR's HTTP/2 GOAWAY changes. All HTTP/2 related tests passed successfully.
>
> Hello @ehs208, I'm investigating a intermittent test failure of the newly added test in our CI. I think the test will need a few adjustments. I haven't had a chance to go over the failure in its entirety. I will add some details here when I am done looking at that failure.

@jaikiran Hello, Just checking in on the intermittent test failure investigation. No rush, just wanted to see if there's any update or if there's anything I can help with. Thanks

-------------

PR Comment: https://git.openjdk.org/jdk/pull/28632#issuecomment-3670913741