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https://issues.apache.org/jira/browse/CXF-8221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17434950#comment-17434950
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Andriy Redko commented on CXF-8221:
-----------------------------------
Thanks [~ffang] , I thought about 2 approaches (but have not started any work
yet):
1. == as you are suggesting, try to make HttpClient 4.x and 5.x to co-exist
2. keep cxf-rt-transports-http-hc on HttpClient 4.x but introduce new
cxf-rt-transports-http-hc5 module, based of HttpClient 5.x
In both cases we should be able to have HttpClient 4.x support, but HttpClient
5.x may not be available for all types of deployments (fe OSGi). I will
definitely keep everyone in the loop. Thank you!
> Upgrade Http Components Core and Client to 5.0
> ----------------------------------------------
>
> Key: CXF-8221
> URL: https://issues.apache.org/jira/browse/CXF-8221
> Project: CXF
> Issue Type: Improvement
> Reporter: Dennis Kieselhorst
> Assignee: Andriy Redko
> Priority: Major
> Fix For: 3.5.0
>
>
> Notable changes and features included in the 5.0 series are:
> * Support for the HTTP/2 protocol and conformance to requirements and
> recommendations of the latest HTTP/2 protocol specification documents
> (RFC 7540, RFC 7541.)
> Supported features:
> ** HPACK header compression
> ** Stream multiplexing (client and server)
> ** Flow control
> ** Response push
> ** Message trailers
> ** Expect-continue handshake
> ** Connection validation (ping)
> ** Application-layer protocol negotiation (ALPN)
> ** TLS 1.2 security features
> * Improved conformance to requirements and recommendations of the
> latest HTTP/1.1 protocol specification documents (RFC 7230, RFC 7231)
> * New connection pool implementation with lax connection limit
> guarantees and better performance under higher concurrency due to
> absence of a global pool lock.
> * Support for Reactive Streams API [http://www.reactive-streams.org/]
> * Package name space changed to 'org.apache.hc.client5'.
> * Maven group id changed to 'org.apache.httpcomponents.client5'.
> HttpClient 5.0 releases can be co-located with earlier major versions
> on the same classpath due to the change in package names and Maven
> module coordinates.
> Download - <http://hc.apache.org/downloads.cgi>
> Release notes - <
> https://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-5.0.x.txt
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