hc-httpclient-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ken Krugler <kkrugler_li...@transpac.com>
Subject Re: [ANNOUNCEMENT] HttpComponents HttpClient 4.0 (GA) release
Date Sat, 22 Aug 2009 22:33:34 GMT
I should have responded earlier, but...

Congratulations to Oleg for getting this out the door.

And thanks again for all of the hard work. I've been using HttpClient  
4.0 for heavy-duty crawling, and it's been great!

-- Ken


On Aug 13, 2009, at 5:26am, Oleg Kalnichevski wrote:

> The HttpComponents project is pleased to announce the first stable  
> (GA)
> release of Apache HttpClient 4.0
>
> HttpClient 4.0 represents a complete, ground-up redesign and almost a
> complete rewrite of the HttpClient 3.x codeline. This release finally
> addresses several design flaws that existed since the 1.0 release and
> could not be fixed without a major code overhaul and breaking API
> compatibility.
>
>
> Architectural changes
> ---------------------
>
> * Redesign of the HttpClient internals addressing all known major
> architectural shortcomings of the 3.x codeline.
>
> * Cleaner, more flexible and expressive API.
>
> * More modular structure.
>
> * Better performance and smaller memory footprint due to a more
> efficient HTTP transport based on HttpCore.
>
> * Implementation of cross-cutting HTTP protocol aspects through  
> protocol
> interceptors.
>
> * Improved connection management, better handling of persistent
> connections, support for stateful connections
>
> * Pluggable redirect and authentication handlers.
>
> * Improved support for sending requests via a proxy or a chain of
> proxies
>
> * More flexible SSL context customization
>
> * Reduced intermediate garbage in the process of generating HTTP
> requests and parsing HTTP responses
>
> All upstream projects are strongly encouraged to upgrade.
>
>
> Important notes
> -------------------
>
> * Future releases of HttpMime module may be binary incompatible with
> this release due to possible API changes in Apache Mime4J. Apache  
> Mime4J
> is still being actively developed and its API is considered unstable.
>
> * HttpClient 4.0 is not fully binary compatible with 4.0 BETA1  
> release.
> Some protected variables in connection management class have been made
> final in order to help ensure their thread safety:
>
> org.apache.http.conn.BasicEofSensorWatcher#attemptReuse
> org.apache.http.conn.BasicEofSensorWatcher#managedConn
> org 
> .apache.http.impl.conn.DefaultClientConnectionOperator#schemeRegistry
> org.apache.http.impl.conn.DefaultHttpRoutePlanner#schemeRegistry
> org.apache.http.impl.conn.ProxySelectorRoutePlanner#schemeRegistry
> org.apache.http.impl.conn.SingleClientConnManager#alwaysShutDown
> org.apache.http.impl.conn.SingleClientConnManager#connOperator
> org.apache.http.impl.conn.SingleClientConnManager#schemeRegistry
> org 
> .apache.http.impl.conn.tsccm.ThreadSafeClientConnManager#connOperator
> org 
> .apache 
> .http.impl.conn.tsccm.ThreadSafeClientConnManager#schemeRegistry
>
> -------------------
> Download -
> <http://hc.apache.org/downloads.cgi>
>
> Release notes -
> <http://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES.txt 
> >
>
> HttpComponents site -
> <http://hc.apache.org/>
>
> Please note HttpClient 4.0 currently provides only limited support for
> NTLM authentication. For details please refer to
> <http://hc.apache.org/httpcomponents-client/ntlm.html>
> -------------------
>
> About Apache HttpClient
>
> Although the java.net package provides basic functionality for  
> accessing
> resources via HTTP, it doesn't provide the full flexibility or
> functionality needed by many applications. HttpClient seeks to fill  
> this
> void by providing an efficient, up-to-date, and feature-rich package
> implementing the client side of the most recent HTTP standards and
> recommendations.
>
> Designed for extension while providing robust support for the base  
> HTTP
> protocol, HttpClient may be of interest to anyone building HTTP-aware
> client applications such as web browsers, web service clients, or
> systems that leverage or extend the HTTP protocol for distributed
> communication.
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: httpclient-users-unsubscribe@hc.apache.org
> For additional commands, e-mail: httpclient-users-help@hc.apache.org
>

--------------------------
Ken Krugler
TransPac Software, Inc.
<http://www.transpac.com>
+1 530-210-6378


---------------------------------------------------------------------
To unsubscribe, e-mail: httpclient-users-unsubscribe@hc.apache.org
For additional commands, e-mail: httpclient-users-help@hc.apache.org


Mime
View raw message