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Posted to commits@hc.apache.org by ol...@apache.org on 2013/03/19 17:07:27 UTC
svn commit: r1580 - /dev/httpcomponents/httpcore-4.3-beta1-RC1/
Author: olegk
Date: Tue Mar 19 16:07:20 2013
New Revision: 1580
Log:
HttpCore 4.3-beta1 dist RC1
Added:
dev/httpcomponents/httpcore-4.3-beta1-RC1/
dev/httpcomponents/httpcore-4.3-beta1-RC1/RELEASE_NOTES.txt (with props)
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-bin.tar.gz (with props)
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-bin.tar.gz.asc
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-bin.tar.gz.md5
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-bin.zip (with props)
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-bin.zip.asc
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-bin.zip.md5
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-osgi-bin.tar.gz (with props)
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-osgi-bin.tar.gz.asc
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-osgi-bin.tar.gz.md5
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-osgi-bin.zip (with props)
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-osgi-bin.zip.asc
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-osgi-bin.zip.md5
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-src.tar.gz (with props)
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-src.tar.gz.asc
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-src.tar.gz.md5
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-src.zip (with props)
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-src.zip.asc
dev/httpcomponents/httpcore-4.3-beta1-RC1/httpcomponents-core-4.3-beta1-src.zip.md5
Added: dev/httpcomponents/httpcore-4.3-beta1-RC1/RELEASE_NOTES.txt
==============================================================================
--- dev/httpcomponents/httpcore-4.3-beta1-RC1/RELEASE_NOTES.txt (added)
+++ dev/httpcomponents/httpcore-4.3-beta1-RC1/RELEASE_NOTES.txt Tue Mar 19 16:07:20 2013
@@ -0,0 +1,1061 @@
+Release 4.3-ALPHA1
+-------------------
+
+This is the first BETA release from the 4.3.x release branch. The main theme of the 4.3 release
+series is streamlining of component configuration and deprecation of the old configuration
+API based on HttpParams in favor of constructor-based dependency injection and plain objects
+for configuration parameters.
+
+This release also includes performance optimizations intended to reduce TCP packet fragmentation
+when writing out HTTP messages both in blocking and non-blocking I/O modes, which should result
+in up to 20% higher throughput for short entity enclosing messages.
+
+This release also includes all fixes from the stable 4.2.x release branch.
+
+
+Changelog
+-------------------
+
+* Reduced TCP packet fragmentation when writing out message content with blocking and
+ non-blocking connections.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-330] Clarify InputStreamEntity length constructor argument.
+ Contributed by John McCarthy <jmsignup at gmail.com>
+
+* [HTTPCORE-323] Undocumented UnsupportedCharsetException in ContentType#getOrDefault.
+ Contributed by Gary D. Gregory <ggregory at apache.org>
+
+
+
+
+Release 4.3-ALPHA1
+-------------------
+
+This is the first release from the 4.3.x release branch. The main theme of the 4.3 release
+series is streamlining of component configuration and deprecation of the old configuration
+API based on HttpParams in favor of constructor-based dependency injection and plain objects
+for configuration parameters.
+
+We are kindly asking all upstream projects to review API changes and help us improve
+the APIs by providing feedback and sharing ideas on dev@hc.apache.org.
+
+This release also includes all fixes from the stable 4.2.x release branch.
+
+
+Release 4.2.3
+-------------------
+
+This maintenance release fixes a number of bugs and found since 4.2.2 including
+a major bug in the NIO module that can cause an infinite loop in SSL sessions under special
+circumstances when the remote peer terminates the session in the middle of SSL handshake.
+Please note this issue does not affect blocking I/O components used by HttpClient.
+
+We advise users of HttpCore NIO of all versions to upgrade.
+
+Changelog
+-------------------
+
+* [HTTPCORE-319, HTTPCORE-322] Non-blocking SSLIOSession can enter an infinite loop under
+ special circumstances when the remote peer terminates the session in the middle of SSL handshake.
+ Contributed by Paul Donohue <apache-jira at PaulSD.com> and
+ Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-316] HeaderGroup#clone removes headers from the original object.
+ Contributed by Markus Thies <markus at dr-thies.com>
+
+* [HTTPCORE-315] AbstractNIOConnPool fails to correctly deallocate connection if it is immediately
+ released from the session request callback causing a resource leak.
+ Contributed by Scott Stanton <snstanton at gmail.com>
+
+* [HTTPCORE-313] ContentType#parse now ignores empty and blank charset attributes.
+ HttpEntityUtils#toString now throws checked I/O exception if it encounters an unsupported
+ charset.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+
+Release 4.2.2
+-------------------
+
+This is a maintenance release that fixes a number of bugs and regressions found since 4.2.1
+including a major bug in the NIO module causing incorrect handling of outgoing Content-Length
+delimited messages larger than 2GB.
+
+Users of HttpCore 4.2 are advised to upgrade.
+
+Changelog
+-------------------
+
+* [HTTPCORE-312] NIO length delimited content encoder incorrectly handles messages larger than 2GB.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-310] Fixed regression in DefaultConnectionReuseStrategy causing it to incorrectly
+ flag connections as non-reusable after a 204, 205 or 304 response.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-309] Fixed regression in HttpAsyncRequestExecutor causing it to handle 204, 205
+ and 304 responses incorrectly by returning a message with an enclosed content body.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-306] I/O reactor TCP_NODELAY parameter now defaults to true.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPASYNC-21] request execution handler does not get closed in case of a premature HTTP
+ exchange termination.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-303] ContentType made Serializable.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+
+
+Release 4.2.1
+-------------------
+
+This is a maintenance release that fixes a non-critical number of bugs found since 4.2.
+Users of HttpCore 4.2 are encouraged to upgrade.
+
+Changelog
+-------------------
+
+* [HTTPCORE-299] ContentType should rely on Charset#name() instead of Charset#toString()
+ for building header value.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-263] Under rare circumstances incorrectly delineated or garbled HTTP message
+ can cause an IndexOutOfBoundsException in AbstractSessionInputBuffer#readLine()
+ Contributed by Michael Pujos <bubbleguuum at free.fr>
+
+* Made connection pools use FIFO algorithm instead of LIFO when leasing / releasing persistent
+ connections.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-298] Fixed non-blocking SSLIOSession state can getting out of sync with the underlying
+ IOSession in case the I/O session is terminated by the I/O reactor rather than by the protocol
+ handler.
+ Contributed by Sandeep Tamhankar <sandman at electric-cloud.com>
+
+* Fixed NPE in StringEntity constructor thrown if ContentType#getCharset is null.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+
+Release 4.2
+-------------------
+
+This is the first stable (GA) release of HttpCore 4.2. The most notable features included in this
+release are connection pool components for blocking and non-blocking HTTP connections and new
+asynchronous client and server side protocol handlers.
+
+New protocol handling API used in conjunction with connection pooling components is expected to
+make development of asynchronous HTTP client agents and HTTP proxies easier and less error prone.
+
+Connection pool components are based on mature code migrated from HttpClient and HttpAsyncClient
+modules but have a slightly different API that makes a better use of Java standard concurrent
+primitives.
+
+Changelog
+-------------------
+
+* Fixed HttpAsyncRequestExecutor incorrect execution of message exchanges that span across multiple
+ hosts (for instance, in case of a request redirect).
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* AbstractHttpClientConnection#isResponseAvailable method now catches SocketTimeoutException
+ and returns false.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-296] Server side connections (both blocking and non-blocking) can now handle entity
+ enclosing requests without Content-Length and Transfer-Encoding headers.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-295] [HTTPCORE-288] Provided direct access to the underlying socket of non-blocking
+ HTTP connection to allow modification of socket level settings such as TCP_NODELAY, SO_KEEPALIVE,
+ TrafficClass, etc.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-289] HttpAsyncService fails to invoke Cancellable#cancel() when the ongoing HTTP
+ exchange is aborted by the client.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Incompatible changes
+--------------------
+[Compared to release version 4.1.4]
+
+The following methods have been deprecated for some time now and have been deleted:
+
+org.apache.http.impl.SocketHttpServerConnection#createHttpDataReceiver(Socket, int, HttpParams)
+org.apache.http.impl.SocketHttpServerConnection#createHttpDataTransmitter(Socket, int, HttpParams)
+org.apache.http.protocol.HttpRequestHandlerRegistry#matchUriRequestPattern(String, String)
+
+The following classes have been deprecated for some while now and have been deleted:
+
+org.apache.http.nio.entity.ByteArrayNIOEntity
+org.apache.http.nio.entity.FileNIOEntity
+org.apache.http.nio.entity.HttpNIOEntity
+org.apache.http.nio.entity.StringNIOEntity
+org.apache.http.nio.protocol.NHttpClientHandlerBase
+org.apache.http.nio.protocol.NHttpServiceHandlerBase
+
+Release 4.2-BETA1
+-------------------
+
+This is the first BETA release of HttpCore 4.2. This release comes with completely redesigned
+and rewritten asynchronous protocol handlers. New protocol handling API used in conjunction with
+connection pooling components is expected to make development of asynchronous HTTP client agents
+and HTTP proxies easier and less error prone.
+
+Sample application shipped with the release include an example of an HTTP file server capable of
+direct channel (zero copy) data transfer and an example of a non-blocking, fully streaming reverse
+proxy.
+
+This release also incorporates bug fixes from the stable 4.1.x branch and includes an updated
+HttpCore tutorial.
+
+
+
+Release 4.1.4
+-------------------
+
+This is a maintenance release that fixes a number of bugs found since 4.1.3. It is also likely
+to be the last release in the 4.1.x branch.
+
+Changelog
+-------------------
+
+* [HTTPCORE-286] Canceled I/O session can cause an IllegalStateException in BaseIOReactor#validate
+ leading to an abnormal termination of the I/O reactor.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-257] Fixed incorrect results produced by DefaultConnectionReuseStrategy when handling
+ response messages whose content entity has been decoded or modified by a protocol interceptor.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-283] Workaround for a bug causing termination of the I/O reactor in case of exception
+ thrown by NHttpServiceHandler#requestReceived or NHttpClientHandler#responseReceived
+ methods. A more comprehensive fix for the bug applied to the 4.2 branch.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-281] ResponseConnControl protocol interceptor does not correctly populate connection
+ persistence control headers when sending a HTTP/1.1 response message in response to a HTTP/1.0
+ request message.
+ Contributed by William R. Speirs <bill.speirs at gmail.com>
+
+* [HTTPCORE-282] The default value of the internal event mask of newly created non-blocking I/O
+ is not correctly initialized, which causes the READ interest bit to get cleared in the interest
+ op queuing mode unless the event mask is explicitly reset.
+ Contributed by Sadeep Jayasumana <sadeep at wso2.com> and Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-268] Handle runtime exceptions thrown by SSLEngine.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+
+
+Release 4.2-ALPHA2
+-------------------
+
+This is the second ALPHA release of HttpCore 4.2. This release comes with completely redesigned
+and rewritten asynchronous protocol handlers. New protocol handling API used in conjunction with
+connection pooling components introduced in the previous ALPHA release is expected to make
+development of asynchronous HTTP client agents and HTTP proxies easier and less error prone.
+
+Sample application shipped with the release include an example of an HTTP file server capable of
+direct channel (zero copy) data transfer and an example of a non-blocking, fully streaming reverse
+proxy.
+
+We are kindly asking existing and prospective users of HttpCore to review and try out the
+new protocol handlers and give us feedback while the 4.2 API is still not final. If no major flaws
+are discovered the 4.2 API is expected to be frozen with the next BETA release.
+
+Please note that new features included in this release are still considered experimental and
+their API may change in the future ALPHA releases. This release also marks the end of support for
+Java 1.3. As of this release HttpCore requires Java 1.5 for all its components. Several classes and
+methods deprecated between versions 4.0-beta1 and 4.0 GA (more than two years ago) have been
+removed in this release.
+
+Changelog
+-------------------
+
+* [HTTPCORE-270] Fixed IllegalStateException in AbstractSessionOutputBuffer and
+ AbstractSessionInputBuffer.
+ Contributed by William R. Speirs <bill.speirs at gmail.com>
+
+* [HTTPCORE-269] Connection pools incorrectly handle lease requests when the max limit for the given
+ route has been exceeded and all connections in the route pool are stateful.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+
+Release 4.2-ALPHA1
+-------------------
+
+This is the first ALPHA release of 4.2. The most notable feature included in this release is
+support for connection pools of blocking and non-blocking HTTP connections. Connection pool
+components are based on mature code migrated from HttpClient and HttpAsyncClient modules but have
+a slightly different API that makes a better use of Java standard concurrent primitives.
+
+Support for connection pools in HttpCore is expected to make development of client and proxy HTTP
+services easier and less error prone.
+
+Please note that new features included in this release are still considered experimental and
+their API may change in the future ALPHA releases. This release also marks the end of support for
+Java 1.3. As of this release HttpCore requires Java 1.5 for all its components. Several classes and
+methods deprecated between versions 4.0-beta1 and 4.0 GA (more than two years ago) have been
+removed in this release.
+
+Changelog
+-------------------
+
+* [HTTPCORE-268] Handle runtime exceptions thrown by SSLEngine.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Release 4.1.3
+-------------------
+
+This is an emergency release that fixes a severe regression in the non-blocking SSL I/O code
+introduced in release 4.1.2.
+
+* [HTTPCORE-266] SSLIOSession does not correctly terminate if the opposite end shuts down connection
+ without sending a 'close notify' message causing an infinite loop in the I/O dispatch thread.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Release 4.1.2
+-------------------
+
+This is a patch release that fixes a number of bugs found in the previous version.
+
+Please note that several classes and methods deprecated between versions 4.0-beta1 and 4.0 GA
+(more than two years ago) will also be removed in the 4.2 branch.
+
+Users of 4.0.x versions are advised to upgrade and replace deprecated API calls following
+recommendations in javadocs.
+
+* [HTTPCORE-261] IOSession#setSocketTimeout() method does not reset the timeout count.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-260] Non-blocking SSL I/O session can terminate prematurely causing message body
+ truncation when message content is chunk coded and the connection is closed on the opposite end.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-257] Fixed incorrect results produced by DefaultConnectionReuseStrategy when handling
+ response messages whose content entity has been decoded or modified by a protocol interceptor.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Release 4.1.1
+-------------------
+
+This is a patch release that fixes a number of non-critical issues found since release 4.1.
+
+This release marks the end of support for Java 1.3. As of release 4.2 HttpCore will require
+Java 1.5 for all its components.
+
+Please note that several classes and methods deprecated between versions 4.0-beta1 and 4.0 GA
+(more than two years ago) will also be removed in the 4.2 branch.
+
+Users of 4.0.x versions are advised to upgrade and replace deprecated API calls following
+recommendations in javadocs.
+
+* In case of an unexpected end of stream condition (the peer closed connection prematurely)
+ truncated Content-Length delimited message bodies will cause an I/O exception. Application
+ can still choose to catch and ignore ConnectionClosedException in order to accept partial
+ message content.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-255]: Fixed resource management in InputStreamEntity#writeTo()
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-254]: Erratic results from metrics (sebb)
+
+* [HTTPCORE-242]: Fixed NPE in AsyncNHttpClientHandler caused by an early response to an
+ entity enclosing request.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+
+Release 4.1
+-------------------
+
+This is the first stable (GA) release of HttpCore 4.1. This release provides a compatibility mode
+with JREs that have a naive (broken) implementation of SelectionKey API and also improves
+compatibility with the Google Android platform. There has also been a number of performance
+related improvements and bug fixes in both blocking and non-blocking components.
+
+Changelog
+-------------------
+
+* [HTTPCORE-240]: DefaultConnectingIOReactor leaks a socket descriptor if the session request fails.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-239]: The ChunkEncoder could request for a negative buffer limit causing an
+ IllegalArgumentException.
+ Contributed by Asankha Perera <asankha at apache.org>
+
+* [HTTPCORE-236]: SSLIOSession#isAppInputReady() does not check the status of the session input
+ buffer.
+ Contributed by Dmitry Lukyanov <dlukyanov at ukr.net>
+
+* [HTTPCORE-233]: EntityUtils#toString() and EntityUtils#toByteArray() to return null if
+ HttpEntity#getContent() is null
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-231] Fixed incorrect handling of HTTP entities by non-blocking LengthDelimitedDecoder
+ when the Content-Length value is larger than Integer.MAX_VALUE.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Release 4.1-BETA2
+-------------------
+
+This is the second BETA release of HttpCore 4.1. This is mainly a bug fix release that addresses
+a number of non-critical bugs.
+
+The most significant change in this release is deprecation of the HttpEntity#consumeContent()
+method and streamlining of connection management and resource deallocation by HTTP entities.
+Please refer to the javadocs for details.
+
+* [HTTPCORE-229] AbstractSessionInputBuffer#readLine(CharArrayBuffer) returns incorrect
+ number of characters read by the method when using non-standard HTTP element charset.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* Non-blocking connections can trigger #responseReady / #requestReady events by mistake
+ when the underlying session is already closed.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-228] Fixed NPE in AsyncNHttpServiceHandler caused by entity enclosing requests
+ if no matching request handler can be found.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-227] Fixed incorrect request / response count by non-blocking connections.
+ Contributed by Harold Lee <harold at hotelling.net>
+
+* [HTTPCORE-226] Improved compatibility of NIO components with Google Android.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* ByteArrayBuffer, CharArrayBuffer, BasicHeader, BufferedHeader, HeaderGroup, BasicRequestLine,
+ BasicStatusLine made Serializable.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Release 4.1-BETA1
+-------------------
+
+This is the first BETA release of HttpCore 4.1. This release finalizes the API introduced in the
+4.1 development branch. It also fixes a number of bugs discovered since the previous release and
+delivers a number of performance optimizations in the blocking HTTP transport components.
+The blocking HTTP transport is expected to be 5% to 10% faster compared to previous releases.
+
+* [HTTPCORE-222] Fixed Import-Package in the OSGi META-INF
+ Contributed by Willem Jiang <willem.jiang at gmail.com>
+
+* [HTTPCORE-177] Reduce intermediate data buffering by reading large chunks of data directly from
+ the underlying socket stream. This results in improved performance of blocking read operations.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-220] IdentityDecoder fails to detect end of stream when using file channels.
+ Contributed by Asankha C. Perera <asankha at apache.org>
+
+* [HTTPCORE-218] ChunkEncoder#write method no longer returns incorrect value if
+ the data to write is greater than the size of the internal buffer used by the encoder.
+ Contributed by Richie Jefts <rjefts at gmail.com>
+
+* [HTTPCORE-209] Added parameter to set SO_REUSEADDR on sockets bound to a local address.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-207] SocketHttp*Connection classes can leak sockets if the connection is half-closed
+ Contributed by David Koski <david_koski at mac.com>
+
+Release 4.1-ALPHA1
+-------------------
+
+This is the first public release from the 4.1 branch of HttpCore. This release adds a number of
+new features, most notable being introduction of compatibility mode with IBM JREs and other JREs
+with naive (broken) implementation of SelectionKey API.
+
+Please note new classes and methods added in the 4.1 branch are still considered API unstable.
+
+* Ensure that an attempt is made to close out all active sessions gracefully in case of an abnormal
+ shutdown of the I/O reactor.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-201] OSGi Export-Package to specify release version
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-183] Added Thread-safe implementations of HttpParams and HttpProcessor -
+ SyncBasicHttpParams and ImmutableHttpProcessor classes
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-199] ContentInputStream implements InputStream#available().
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-195] Truncated chunk-coded streams can now be tolerated by catching and discarding
+ TruncatedChunkException.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-155] Compatibility mode with IBM JRE and other JREs with naive (broken) implementation
+ of SelectionKey.
+ Contributed by Marc Beyerle <marc.beyerle at de.ibm.com> and Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-191] Blocking HTTP connections are now capable of correctly preserving their internal
+ state on SocketTimeoutExceptions, which makes it possible to continue reading from the connection
+ after a socket timeout.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-190] ChunkedInputStream is now capable of correctly preserving its internal state on
+ SocketTimeoutExceptions, which makes it possible to continue reading from the stream after a
+ socket timeout.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Release 4.0.1
+-------------------
+
+This is a patch release addressing a number of issues discovered since the 4.0 release. Users
+of NIO module are advised to upgrade.
+
+* [HTTPCORE-198] CONNECT request includes Host header for HTTP 1.1 connections.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-196] SSLIOSession now unwraps encrypted data more aggressively eliminating long
+ pauses when receiving data over non-blocking connections.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-197] Fixed bug causing the non-blocking ChunkDecoder to report some data stream as
+ truncated under special conditions.
+ Contributed by Denis Rogov <denrogov at gmail.com> and Oleg Kalnichevski <olegk at apache.org>
+
+* SSLIOSession#isAppOutputReady and SSLIOSession#isAppInputReady no longer ignore the application
+ event mask causing I/O event notifications for unrequested type of events.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-193] Fixed problem with SSLIOSession incorrectly handling of end-of-stream condition.
+ Contributed by Asankha C. Perera <asankha at apache.org> and Oleg Kalnichevski <olegk at apache.org>
+
+
+Release 4.0
+-------------------
+
+This is the first stable (GA) release of HttpCore 4.0. This release mainly improves the
+documentation and fixes a few minor bugs reported since the previous release. HttpCore
+now comes with a complete tutorial presenting an in-depth coverage of the API.
+
+HttpCore is a set of low level HTTP transport components that can be used to build custom
+client and server side HTTP services with a minimal footprint. HttpCore supports two I/O
+models: blocking I/O model based on the classic Java I/O and non-blocking, event driven I/O
+model based on Java NIO. The blocking I/O model may be more appropriate for data intensive,
+low latency scenarios, whereas the non-blocking model may be more appropriate for high latency
+scenarios where raw data throughput is less important than the ability to handle thousands of
+simultaneous HTTP connections in a resource efficient manner.
+
+* [HTTPCORE-180] Fixed NPE in standard I/O event dispatchers when
+ IOEventDispatch#disconnected fires before the session was fully initialized
+ (IOEventDispatch#connected was not called).
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-175] Chunk decoders no longer accept truncated chunks as valid input.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+
+Release 4.0 Beta 3
+-------------------
+
+The third BETA version of HttpComponents Core has been released. This is a
+maintenance release, which addresses a number of issues discovered since the
+previous release.
+
+The only significant new feature is an addition of an OSGi compliant bundle
+combining HttpCore and HttpCore NIO jars.
+
+* [HTTPCORE-173] Tolerate missing closing chunk if the chunk coded content
+ is terminated by the end of stream (EOF) condition.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-174] Position is incremented twice in ContentLengthInputStream#skip(long)
+ Contributed by Ildar Safarov <ildar.safarov at gmail.com>
+
+* [HTTPCORE-125] OSGi bundle containing HttpCore & HttpCore NIO jars.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* CancelledKeyException thrown in BaseIOReactor#validate() no longer causes
+ a premature I/O reactor shutdown.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-172] Added #close() method to SharedInputBuffer and
+ SharedOutputBuffer. The purpose of the new method is to close the buffer
+ in case of normal / orderly termination of the underlying HTTP connection.
+ Use #shutdown() method to force-close the buffer in case of abnormal /
+ exceptional termination of the underlying connection.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-170] Fixed race condition in SharedOutputBuffer.
+ Contributed by Jason Walton <Jason.Walton at alcatel-lucent.com>
+
+* [HTTPCORE-169] Fixed bug causing connecting I/O reactors to shut down due to
+ ClosedChannelException if a pending session request is cancelled before the new
+ channel has been registered with the selector.
+ Contributed by Anders Wallgren <anders_wallgren at alum.mit.edu>
+
+* [HTTPCORE-167] Fixed handling the end of stream (EOF) condition in the #isStale()
+ check of blocking HTTP connections.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-166] NIO reactors now maintain an audit log of fatal exceptions,
+ which can be used to examine the cause and problems experienced during
+ the shutdown process.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-165] Improved handling of CancelledKeyException in I/O reactors
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+
+Release 4.0 Beta 2
+-------------------
+
+The second BETA version of HttpComponents Core has been released. This release
+adds a number of improvements to the NIO components, most notable being improved
+asynchronous client side and server side protocol handlers.
+
+There has been a number of important bug fixes in HttpCore NIO module, whereas
+HttpCore base module has had very few changes.
+
+All upstream projects dependent on HttpCore NIO are strongly advised to upgrade.
+
+* [HTTPCORE-163] Fixed AbstractMultiworkerIOReactor#execute() to correctly
+ propagate the original I/O exception in case of an abnormal termination.
+ Contributed by Patrick Moore <patmoore at ieee.org>
+
+* Changed behavior of IdentityDecoder & LengthDelimitedDecoder to throw
+ an IOException if data is attempted to be written beyond the length
+ of a FileChannel. Previously would write nothing.
+ Contributed by Sam Berlin <sberlin at apache.org>
+
+* Fixed bug in LengthDelimitedDecoder & IdentityDecoder that caused transfers
+ to a FileChannel to overwrite arbitrary parts of the file, if data was
+ buffered in SessionInputBuffer.
+ Contributed by Sam Berlin <sberlin at apache.org>
+
+* Fixed concurrency bug in the ThrottlingHttpServerHandler protocol handler.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* Fixed bug in SharedInputBuffer that caused input events to be
+ incorrectly suspended.
+ Contributed by Asankha C. Perera <asankha at wso2.com>
+
+* [HTTPCORE-150] Entity implementation that serializes a Java object
+ Contributed by Andrea Selva <selva.andrea at gmail.com>
+
+* [HTTPCORE-157] ChunkedOutputStream#flush() now behaves consistently with the
+ specification of OutputStream#flush().
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-147] Fixed handling of requests with partially consumed content
+ in ThrottlingHttpServiceHandler.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-92] ChunkEncoder splits input data larger than available space
+ in the session output buffer into smaller chunks instead of expanding
+ the buffer.
+ Contributed by Andrea Selva <selva.andrea at gmail.com> and
+ Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-149] I/O reactors now count period of inactivity since the
+ time of the last read or write operation. Previously only read
+ operations resulted in timeout counter reset.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-148] Improved asynchronous server and client HTTP protocol
+ handler implementations.
+ Contributed by Sam Berlin <sberlin at gmail.com>
+
+* [HTTPCORE-143] Ensure the underlying channel is closed if the session
+ request is canceled or times out.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-140] Fixed timeout handling in ThrottlingHttpServiceHandler.
+ Contributed by Lorenzo Moretti <moznerol at hotmail.com> and
+ Oleg Kalnichevski <olegk at apache.org>
+
+
+
+Release 4.0 Beta 1
+-------------------
+
+The first BETA version of HttpComponents Core has been released. This release
+can be considered a major milestone, as it marks the end of API instability
+in HttpCore. As of this release the API compatibility between minor releases
+in 4.x codeline will be maintained.
+
+This release includes several major improvements such as enhanced HTTP message
+parsing API and optimized parser implementations, Java 5.0 compatibility
+for HttpCore NIO extensions. Upstream projects are strongly encouraged to
+upgrade to the latest release.
+
+The focus of the development efforts will be gradually shifting towards
+providing better test coverage, documentation and performance optimizations.
+
+Changelog:
+----------
+
+* [HTTPCORE-141] Session request timeout in DefaultConnectingIOReactor
+ invalidates the request.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-137] DefaultHttpRequestFactory extended to support all methods
+ specified in RFC 2616 (except CONNECT).
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* Replaced HTTP parameter linking with a simple child/parent stack.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-134] all serialVersionUID attributes are private
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-133] Clone support for basic HTTP message elements and
+ non-streaming entities.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-127] Improved API for lifecycle management of listening I/O
+ reactors. One can now suspend and resume listener endpoints.
+ Contributed by Asankha C. Perera <asankha at wso2.com>
+
+* [HTTPCORE-112] DefaultConnectionReuseStrategy interprets token sequences
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-122] new interface TokenIterator and basic implementation
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* HttpCore NIOSSL classes moved to HttpCore NIO.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* HttpCore NIO ported to Java 1.5.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-130] Fixed over-synchronization bug leading to a thread deadlock
+ condition in SSL IOEventDispatch implementations.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-37] HttpParams beans
+ Contributed by Stojce Dimski <sdmiski at yahoo.it>
+
+* [HTTPCORE-128] Simplified injection of custom NIO connection implementations.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-126] Improved HTTP message parsing API and optimized parser
+ implementations.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* Do not include "Connection: close" to 500 responses per default.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-121] new interface HeaderElementIterator
+ Contributed by Andrea Selva <selva.andrea at gmail.com>
+
+* [HTTPCORE-123] Fixed problem with SSLSession losing buffered data, if the
+ connection has been closed by the peer.
+ Contributed by Risto Reinpõld <risto.reinpold at gmail.com>
+
+
+
+Release 4.0 Alpha 6
+-------------------
+
+The sixth ALPHA version of HttpComponents Core has been released. This release
+sports an improved message parsing and formatting API in the base module and
+lots of incremental improvements and bug fixes in the NIO and NIOSSL modules.
+Based on the improved API, it is now possible to send and receive SIP messages
+with HttpComponents Core.
+
+HttpCore is now feature complete and we are planning to freeze the public APIs
+as of next release (BETA1).
+
+* [HTTPCORE-120] new interface HeaderIterator, available from HttpMessage
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-118] Purge closed sessions prior to opening new ones. This should
+ reduce chances of running out of memory when opening and closing lots of
+ NIO connections in a tight loop.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-117] Fixed bug preventing protocol handlers from closing timed out
+ NIO connection when pending output (output session buffer is not empty).
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-86] Allow for optional handling of runtime exceptions
+ thrown by protocol handlers to ensure the I/O dispatch thread
+ remains running.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-116] moved parameter names to interfaces
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-109] Improved shutdown process of the I/O reactors in NIO modules.
+ I/O reactors now attempt to terminate connections gracefully before shutting
+ down the underlying socket channels.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-107] allow sending and receiving of SIP messages
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-114]: Fixed incorrect handling of the end-of-stream condition
+ in SSLIOSession.
+ Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-110] refactored message parsing and formatting logic
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-113] Removed unnecessary target hostname resolution from
+ non-blocking client protocol handlers.
+ Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-108] Close all channels registered with the I/O reactor during
+ shutdown. Fixed the problem with DefaultListeningIOReactor not releasing
+ socket ports until JVM is restarted.
+ Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-106] Pluggable HTTP message parsers and message writers
+ Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-105] Consistent class names in base and NIO modules
+ Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-100] revised HttpContext hierarchy
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-103] NIO connections now attempt to consume all available session
+ data while parsing HTTP messages. This can potentially improve performance
+ of non-blocking SSL connections.
+ Contributed by Steffen Pingel <spingel at limewire.com>
+
+* [HTTPCORE-102] Exceeding of maximum line length limit detected late
+ Contributed by Steffen Pingel <spingel at limewire.com>
+
+* [HTTPCORE-21] Transport and connection metrics
+ Contributed by Andrea Selva <selva.andre at gmail.com> and
+ Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-91] new interceptor RequestDate, renamed constants in protocol.HTTP
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-90] Version detection based on build-time properties
+ Contributed by Oleg Kalnichevski <olegk at apache.org> and
+ Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-88] Added convenience methods to HttpRequestInterceptorList,
+ HttpResponseInterceptorList interfaces
+ Contributed by Andrea Selva <selva.andre at gmail.com>
+
+* [HTTPCORE-89]: Fixed bug in DefaultConnectingIOReactor causing incorrect
+ handling of local (immediate) connections on some platforms (affects Sun
+ Solaris 2.9 / Sparc and likely other Solaris 2.x platforms)
+ Contributed by Sam Berlin <sberlin at gmail.com>
+
+Release 4.0 Alpha 5
+-------------------
+
+The fifth ALPHA version of HttpComponents Core has been released. This release
+delivers a number of incremental improvements across the board in all modules
+and adds several performance oriented features such as ability to transfer
+data directly between a file and a socket channels.
+
+HttpCore is almost fully feature complete now and we are likely to freeze
+the public APIs as of next release (BETA1).
+
+* [HTTPCORE-87] RuntimeExcpetions thrown in I/O worker threads are now correctly
+ propagated to the I/O reactor.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-84]: Removed DateUtils/DateParseException from core.
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-63]: Made I/O select interval configurable for all default I/O
+ reactor implementations.
+ Contributed by Oleg Kalnichevski <olegk at apache.org> and
+ Anders Wallgren <anders_wallgren at alum.mit.edu>
+
+* [HTTPCORE-82]: Revised linking of HttpParams to reduce potential for misuse.
+ Method #setDefaults() removed from the HttpParams interface.
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-81]: Maximum line length and maximum header counts parameters are now
+ correctly enforced in both base and NIO modules. Fixed maximum line length check
+ when parsing folded header lines.
+ Contributed by Steffen Pingel <spingel at limewire.com>
+
+* Added HTTP client handler implementation that allocates fixed size content
+ buffers upon initialization and is capable of throttling the rate of I/O events
+ in order to make sure those content buffers do not get overflown.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-76]: Added IOSession#shutdown() method intended to force-close
+ I/O sessions (primarily needed to terminate hung SSL connections).
+ Contributed by Sandeep Tamhankar <sandman at electric-cloud.com>
+
+* [HTTPCORE-78]: Added ByteBufferAllocator interface that can be used to apply
+ different ByteArray allocation strategies to session and content buffers.
+ Use heap bound implementation for short-lived or variable in length (requiring
+ frequent content re-allocation) buffers.
+ Contributed by Steffen Pingel <spingel at limewire.com>
+
+* [HTTPCORE-77]: The result of CharsetDecoder#decode() and CharsetEncoder#encode()
+ was not checked for errors resulting in an infinite loop in
+ SessionInputBuffer#readLine() and SessionOutputBuffer#writeLine()
+ when malformed characters were processed.
+ Contributed by Steffen Pingel <spingel at limewire.com>
+
+* [HTTPCORE-71]: HttpParams can be copied.
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-75]: DefaultNHttpServerConnection and DefaultNHttpClientConnection
+ now correctly terminate the underlying I/O session when closed.
+ BufferingHttpServiceHandler now correctly applies connection keep-alive
+ strategy when sending a response with no content body.
+ Contributed by Steffen Pingel <spingel at limewire.com>
+
+* [HTTPCORE-73]: Fixed bug preventing NHttpServiceHandler#responseReady and
+ NHttpClientHandler#requestReady events from being fired if the HTTP message
+ has no content body.
+ Contributed by Steffen Pingel <spingel at limewire.com>
+
+* [HTTPCORE-67]: Improved event listener interface
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-43]: Support for FileChannel#transferFrom() and
+ FileChannel#transferTo() methods. Direct coping from and to FileChannel is
+ expected to improve performance of file bound operations
+ Contributed by Andrea Selva <selva.andre at gmail.com>
+
+* [HTTPCORE-66]: Fixed handling of HTTP HEAD methods
+ Contributed by Steffen Pingel <spingel at limewire.com> and
+ Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-58]: NIO HTTP connections changed to throw checked
+ ConnectionClosedException instead of unchecked IllegalStateException when
+ an attempt is made to perform an I/O operation on a closed conection
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-56]: DefaultConnectingIOReactor no longer terminates due to a
+ CancelledKeyException, if a session request gets canceled before selection
+ key is fully initialized.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Release 4.0 Alpha 4
+-------------------
+
+The forth ALPHA version of HttpComponents Core has been released.
+The ALPHA4 release fixes a number of bugs and adds a number of
+improvements to HttpCore base and HttpCore NIO extensions.
+HttpCore NIO can be used to build HTTP services intended to handle
+thousands of simultaneous connections with a small number of I/O
+threads. This release also introduces NIOSSL extensions that can be
+used to extend HttpCore non-blocking transport components with
+ability to transparently encrypt data in transit using SSL/TLS protocol.
+
+* [HTTPCORE-49]: DefaultConnectingIOReactor can now correctly handle
+ unresolved socket addresses. It no longer terminates with the
+ UnresolvedAddressException runtime exception.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-42]: Added server side API for the expectation verification.
+ Improved support for the 'expect: continue' handshake in HttpCore and
+ HttpCore NIO.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-26]: Added SSL support for HttpCore NIO.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-40]: API classes no longer reference impl classes in module-main.
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-39]: Refactored HttpStatus, spun off [English]ReasonPhraseFactory.
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-32]: HttpRequestInterceptorList, HttpResponseInterceptorList
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-38]: Packages nio.impl.* are now impl.nio.*, same for examples.
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-27]: I/O reactors can now accept a thread factory as an optional
+ parameter.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-36]: Fixed #setHandlers() method and matching of request URIs
+ with a query part in HttpRequestHandlerRegistry
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-28]: DefaultConnectingIOReactor now maintains a queue of connect
+ requests and registers new sessions with the selector on the I/O thread.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-29] DefaultConnectingIOReactor changed to ensure IOExceptions
+ are correctly propagated to the caller, if an exception is thrown while
+ initializing a newly connected socket.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-24] Fixed bug in non-blocking connection implementations, which
+ prevented the session buffer from being correctly flushed when the content
+ coding process has been completed.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-23] Fixed threading bug in DefaultConnectingIOReactor.
+ Contributed by Asankha C. Perera <asankha at wso2.com>
+
+Release 4.0 Alpha 3
+-------------------
+
+The third ALPHA version of HttpCore has been released. The ALPHA3 release
+includes a number of API optimizations and improvements and introduces a set
+of NIO extensions to the HttpCore API. NIO extensions can be used to build
+HTTP services intended to handle thousands of simultaneous connections with
+a small number of I/O threads.
+
+* [HTTPCORE-15] Provided a interafce to access IP address of the local and
+ remote end points.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [ HTTPCORE-14] Scheme, SocketFactory and SecureSocketFactory moved to
+ HttpClient. Decoupled HttpHost and Scheme.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-13] Refactored HttpProcessor interface and related impl classes
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-11] Client connection interface no longer defines a specific
+ method to open a connection. HTTP connections can now represent any
+ abstract I/O transport such as those based on NIO API.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-10] Non-blocking (async) client side I/O transport based on NIO.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-9] Non-blocking (async) server side I/O transport based on NIO.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-7] ConnectionReuseStrategy interface changed to allow access
+ to the HTTP execution context.
+ Contributed by Roland Weber <rolandw at apache.org>
+
+* [HTTPCORE-6] Header implementation allowing for performance short-cuts
+ when serializing and deserializing HTTP headers.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+* [HTTPCORE-5] Header, HeaderElement, NameValuePair, RequestLine, StatusLine,
+ HttpVersion changed to interfaces. API no longer contains any parsing and
+ formatting code and does not imply any specific physical representation of
+ HTTP messages and their elements.
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Release 4.0 Alpha 2
+-------------------
+This is a maintenance release that mostly fixes minor problems found since the
+previous release. The upstream projects are strongly encouraged use this
+release as a dependency while HttpCore undergoes another round of reviews
+and optimization in the SVN trunk
+
+Changelog:
+---------
+* [HTTPCORE-4] optional header and line length limits to contain OOME risks
+ Contributed by Oleg Kalnichevski <olegk at apache.org>
+
+Release 4.0 Alpha 1
+-------------------
+This release represents a complete redesign of the Jakarta Commons HttpClient
+3.x API and a significant rewrite of the core HTTP components derived from
+HttpClient 3.0 code base.
+
+These components will form the foundation of the future releases of Jakarta
+HttpClient and can also be used separately to build custom client- and
+server-side HTTP services.
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