RFR: 8298340: java/net/httpclient/CancelRequestTest.java fails with AssertionError: Found some subscribers for testPostInterrupt [v2]

[Daniel Fuchs]

On Thu, 8 Dec 2022 15:20:47 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> There are several ways by which an HTTP/2  stream can be closed. Due to the built-in asynchronous behavior, and to avoid unnecessary churn when a request is cancelled/aborted there are two places where the boolean stream's state `closed` can be set to true: `cancelImpl` and `close`. The current code completes the subscriber in `cancelImpl`, but the subscriber should also be completed in `close`. The intermittent failure happens if `close` gets ever called before `cancelImpl`.
>> This patch fixes that.
>
> Daniel Fuchs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix typo

I will re-target this PR to jdk20

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PR: https://git.openjdk.org/jdk/pull/11595