RFR: 8349910: Implement JEP 517: HTTP/3 for the HTTP Client API [v11]

[Daniel Fuchs]

On Wed, 23 Jul 2025 11:00:57 GMT, Daniel Jeliński <djelinski 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 550 commits:
>> 
>>  - merge latest changes from master branch
>>  - http3: fix new HttpHeadersBuilder constructor
>>  - qpack - optimize processing of decoder instruction exceptions
>>  - http3/quic: update the code to use the newly introduced jdk.internal.net.http.Origin
>>  - Avoid speculating about the future in TODOs
>>  - http3: rename PacketSpaceManager::isAcknowledging to PacketSpaceManager::trackAcknowledgement
>>  - merge latest changes from master branch
>>  - http3: fix typo in UniStreamPair.java
>>  - WriterQueue may leak before the constructor completes
>>  - Limit the number of retries in H3UserInfoTest
>>  - ... and 540 more: https://git.openjdk.org/jdk/compare/7b255b8a...f0a4fd3d
>
> test/jdk/java/net/httpclient/AsFileDownloadTest.java line 453:
> 
>> 451: 
>> 452:         @Override
>> 453:         public void handle(HttpTestExchange t) throws IOException {
> 
> this is almost an exact copy of the method above.

Right. Thanks for spotting that. The right thing to do here would be to refactor the HTTP/2 part of the test to stop using Http2TestServer but use HttpTestServer instead, like the new HTTP/3 part. That would get rid of the almost duplicate. I have logged https://bugs.openjdk.org/browse/JDK-8365802

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PR Review Comment: https://git.openjdk.org/jdk/pull/24751#discussion_r2285564303