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

[Daniel Jeliński]

On Thu, 26 Jun 2025 17:43:21 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/OutputRecord.java line 168:
> 
>> 166:         throw new UnsupportedOperationException();
>> 167:     }
>> 168: 
> 
> Do we need those two methods here? Or could we just have them on `QuicEngineOutputRecord` and do the appropriate cast at the point they are called?
> Or do we have that at this level for performance reasons?

This was done to match the surrounding code. There's a bunch of methods in OutputRecord that throw UOE and are overridden by one class only. I suppose it would be cleaner to just do the cast, but "when in Rome, do as the Romans do"

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PR Review Comment: https://git.openjdk.org/jdk/pull/24751#discussion_r2171543796