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

Daniel Fuchs dfuchs at openjdk.org
Fri Jun 27 14:04:54 UTC 2025


On Thu, 26 Jun 2025 16:36:40 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> Hi,
>> 
>> Please find here a PR for the implementation of [JEP 517: HTTP/3 for the HTTP Client API](https://openjdk.org/jeps/517).
>> 
>> The CSR can be viewed at [JDK-8350588: Implement JEP 517: HTTP/3 for the HTTP Client API](https://bugs.openjdk.org/browse/JDK-8350588)
>> 
>> This JEP proposes to enhance the HttpClient implementation to support HTTP/3.
>> It adds a non-exposed / non-exported internal implementation of the QUIC protocol based on DatagramChannel and the SunJSSE SSLContext provider.
>
> 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.net.http/share/classes/java/net/http/package-info.java line 43:

> 41:  * Version 3 (HTTP/3)</a>, the <a href="https://tools.ietf.org/html/rfc7540">
> 42:  * Hypertext Transfer Protocol Version 2 (HTTP/2)</a>, the
> 43:  * <a href="https://tools.ietf.org/html/rfc2616">

It is strange to link to a different place here than in the `@spec` tags below. I will fix that.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24751#discussion_r2172115870


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