Updated release notes for HttpClient 5.4-alpha2 release
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Oleg Kalnichevski
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Release 5.4 ALPHA1
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-------------------
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Release 5.4 ALPHA2
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------------------
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This is the first ALPHA release in the 5.4 release series that improves HTTP protocol support
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by ensuring conformance to the latest HTTP specification (RFC 9110, RFC 9111, RFC 7616,
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RFC 7617), ensures compatibility with Java Virtual Threads by replacing 'synchronized' keywords
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in critical sections with Java lock primitives. The HTTP caching protocol layer has also been
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redesigned and overhauled to improve cache efficiency and optimize performance.
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This is the second and likely the last ALPHA release in the 5.3 release series.
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It finalizes the new Cache API introduced in the previous ALPHA release and also
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improves TLS customization for the classic transport, SNI and endpoint identification
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support, authentication data caching, and HTTP context performance. It also introduces
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support for optional TLS upgrades for HTTP/1.1 connections.
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IMPORTANT! Please note the new cache entry serialization format is incompatible with earlier
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versions of HttpClient Cache. Persistent caches (file system based, Memcached, EhCAche
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@ -25,6 +25,101 @@ Notable changes and features included in the 5.4 series:
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* Redesign and rewrite of the HTTP caching protocol layer for better efficiency
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and improved conformance to RFC 9111 (HTTP Caching).
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* Cache control and context APIs.
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* ETag APIs.
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* TLS SNI and endpoint identification improvements.
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* Support for RFC 2817 (Upgrading to TLS Within HTTP/1.1).
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* Auth cache no longer makes use of Java serialization.
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* Deprecation of ConnectionSocketFactory and LayeredConnectionSocketFactory.
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* HttpContext optimization and performance improvement.
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Change Log
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-------------------
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* HttpClientContext to use instance variables for standard attributes.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* HTTPCLIENT-2151: Support for JSSE in-built endpoint identification.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* Internal connection operators to make use of the target name from the request URI
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authority.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* DefaultRoutePlanner to take the request authority into account when determining a route for
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HTTPS requests.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* RouteInfo and HttpRoute to include the target name from the URI authority in case it differs
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from the target host (the host recognizes multiple authorities).
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* HTTPCLIENT-2316: BasicHttpClientConnectionManager incorrectly re-uses the released connection
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if it has been closed out by the protocol handler.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* HTTPCLIENT-2070: Auth cache to no longer rely on Java serialization for auth state caching.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* HTTPCLIENT-751: Support for RFC 2817 (Upgrading to TLS Within HTTP/1.1).
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* Connection endpoints to provide TLS details and protocol version.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* Deprecated ConnectionSocketFactory, LayeredConnectionSocketFactory, and their plain and SSL
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implementations in favor of DefaultClientTlsStrategy.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* Standard client TLS strategy implementations support the upgrading of blocking sockets.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* FileResourceFactory to generate stable file names for the same request ID and entity tag.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* Cache ResourceFactory to make use of strong eTags when available.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* ETag APIs.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* Fixed a design mistake of ConnectionEndpoint having a direct dependency on
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HttpRequestExecutor class.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* Cache control and context APIs.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* HTTPCLIENT-2315: Client builders fail to apply system properties to the default
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connection manager.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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* HTTPCLIENT-2314: Handle gracefully a failure of DnsResolver to return a list of
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resolved addresses (#533).
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Contributed by Philip Helger <philip at helger.com>
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* HTTPCLIENT-2314: Throw ConnectionShutdownException in case of pooled connection
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having been closed or discarded instead of plain IllegalStateException.
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Contributed by Oleg Kalnichevski <olegk at apache.org>
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Release 5.4 ALPHA1
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-------------------
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This is the first ALPHA release in the 5.4 release series that improves HTTP protocol support
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by ensuring conformance to the latest HTTP specification (RFC 9110, RFC 9111, RFC 7616,
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RFC 7617), ensures compatibility with Java Virtual Threads by replacing 'synchronized' keywords
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in critical sections with Java lock primitives. The HTTP caching protocol layer has also been
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redesigned and overhauled to improve cache efficiency and optimize performance.
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Change Log
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-------------------
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