RFR: 8349910: Implement JEP 517: HTTP/3 for the HTTP Client API [v9]

[Daniel Jeliński]

On Fri, 27 Jun 2025 09:49:44 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> Daniel Fuchs has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 525 commits:
>> 
>>  - merge latest changes from master branch
>>  - http3: run H3StreamLimitReachedTest.java with -Djdk.httpclient.http3.maxStreamLimitTimeout=0 too
>>  - retry the ResetControlStream test as needed
>>  - http3: fix pending connection and reconnection on stream limit reached logic
>>  - http3: pending acknowledgement should be registered before actually sending the packet
>>  - http3: fix race with ping requests in PacketSpaceManager.java causing intermittent failures in H3ErrorHandlingTest.java
>>  - http3: improve exceptions in Http3ServerExchange.java
>>  - http3: fix exception handling in CancelRequestTest.java
>>  - http3: review feedback - revert HPACK.java
>>  - Implement X509TrustManagerImpl#checkClientTrusted for QUIC
>>  - ... and 515 more: https://git.openjdk.org/jdk/compare/5a1301df...0229c215
>
> src/java.base/share/classes/sun/security/ssl/QuicTransportParametersExtension.java line 37:
> 
>> 35: /**
>> 36:  * QuicTransportParametersExtension is an implementation of RFC 9000.
>> 37:  * It is only used by QUIC connections.
> 
> I believe referencing RFC 9001 Section 8.2 would be more appropriate here. 
> The QUIC transport parameters themselves are defined in RFC 9000, but the use of the quic_transport_parameters extension in the ClientHello and the EncryptedExtensions messages is described in RFC 9001.
> Or else the purpose and description of this class could be clarified.

Most of the extensions have a generic JavaDoc, I will update this one to match the others.

> src/java.base/share/classes/sun/security/ssl/SSLExtension.java line 461:
> 
>> 459:                                 KeyShareExtension.hrrStringizer),
>> 460: 
>> 461:     // Extension defined in RFC 9000
> 
> Shouldn't this be RFC 9001 here too?

Will be updated in the next refresh.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24751#discussion_r2174477328
PR Review Comment: https://git.openjdk.org/jdk/pull/24751#discussion_r2174479150