RFR: 8303965: java.net.http.HttpClient should reset the stream if response headers contain malformed header fields [v4]

[Jaikiran Pai]

On Mon, 13 Mar 2023 14:06:39 GMT, Daniel Fuchs <dfuchs at openjdk.org> wrote:

>> According to RFC 9113:
>> 
>> A malformed request or response is one that is an otherwise valid sequence of HTTP/2 frames but is invalid due to the presence of extraneous frames, prohibited fields or pseudo-header fields, the absence of mandatory pseudo-header fields, the inclusion of uppercase field names, or invalid field names and/or values (in certain circumstances; see [Section 8.2](https://www.rfc-editor.org/rfc/rfc9113#HttpHeaders)).
>> [...]
>> Malformed requests or responses that are detected MUST be treated as a [stream error](https://www.rfc-editor.org/rfc/rfc9113#StreamErrorHandler) ([Section 5.4.2](https://www.rfc-editor.org/rfc/rfc9113#StreamErrorHandler)) of type [PROTOCOL_ERROR](https://www.rfc-editor.org/rfc/rfc9113#PROTOCOL_ERROR).
>> 
>> The current behavior is to close the connection with protocol error. This change makes it reset the stream instead.
>
> Daniel Fuchs has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains seven additional commits since the last revision:
> 
>  - Typo
>  - Merge branch 'master' into MalformedResponse-8303965
>  - Update src/java.net.http/share/classes/jdk/internal/net/http/common/ValidatingHeadersConsumer.java
>    
>    Refer to RFC 9113
>  - Update src/java.net.http/share/classes/jdk/internal/net/http/Stream.java
>    
>    Refer to RFC 9113
>  - add bug id to test
>  - Merge branch 'master' into MalformedResponse-8303965
>  - 8303965

Marked as reviewed by jpai (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/12976