On Tue, 20 Oct 2026 11:40:15 GMT, Daniel Fuchs <[email protected]> wrote:

>> This fixes a regression introduced by 
>> [JDK-8317808](https://bugs.openjdk.org/browse/JDK-8317808). If the server 
>> sends all the response bytes, sends a GOAWAY, and immediately closes the 
>> connection since all streams are closed on its side, the client may fail to 
>> complete the request properly although all bytes have been received.
>> Upon noticing that the connection is closed the client will interrupt all 
>> exchanges, even those for which all bytes have been received (but not yet 
>> pulled).
>> 
>> This typically happens when the response body is delivered as an InputStream.
>> 
>> The same issue also happens with HTTP/3.
>> 
>> For HTTP/2 we will allow the BodySubscriber to continue pulling the bytes, 
>> unless we notice that the bodyCF is completed exceptionally. 
>> 
>> For HTTP/3 the logic is a bit different: when the connection is closed it 
>> forcefully terminates all exchanges. We will skip those exchange for which 
>> the underlying QUIC receiving stream state is DATA_READ or DATA_RCVD (and 
>> which are not blocked by QPack)
>> 
>> Testing:
>> 
>> A new scenario is added to 
>> test/jdk/java/net/httpclient/http2/H2GoAwayPromptConnectionClose.java to 
>> test the HTTP/2 changes. A new test is added for HTTP/3. 
>> 
>> Both tests fail without the fix and pass with it. Failure without the fix is 
>> not 100% guaranteed, but my experiments saw the tests reliably failing.
>> 
>> ---------
>> - [x] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Daniel Fuchs has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   Update src/java.net.http/share/classes/jdk/internal/net/http/Stream.java
>   
>   Co-authored-by: Daniel Jelinski <[email protected]>

Marked as reviewed by djelinski (Reviewer).

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

PR Review: https://git.openjdk.org/jdk/pull/33385#pullrequestreview-5585933935

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