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RELEASE_NOTES.txt
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Release 5.0-BETA2
-------------------
This BETA release resolves compatibility issues with Java 11 new TLS engine as well as
a number of defects found since the previous release.
Notable new features in this release:
* JDK 11 compatibility
* Support for request specific push consumers
* Support for Reactive Streams API [http://www.reactive-streams.org/]
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) on Java 9.0.1+
** 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.
* 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.
The 5.0 APIs are considered feature complete and are not expected to undergo any major changes
anymore. The focus of development is now shifting to API polish, code stabilisation
and documentation improvements.
Changelog:
-------------------
* Hack to make hostname verification work with TLSv1.3 resumed sessions.
For details see https://markmail.org/message/mxf5v2d2gh6ws2j3
Contributed by Oleg Kalnichevski <olegk at apache.org>
* Added builders for SSLConnectionSocketFactory and client TlsStrategy.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* Added enum for supported TLS versions & TLS version parser.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1946: handling of 308 status as per RFC 7538.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* Upgraded HttpCore to version 5.0-beta5.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* Async clients to support request specific push consumers.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1944: Add hardCancellationEnabled option to RequestConfig.
Contributed by Ryan Schmitt <ryansch at amazon.com>
* Overload Request's execute method to allow custom CloseableHttpClient.
Contributed by Nicolas Gomez <nicolas at imogene.fr>
* Fix HttpClient 4.5.4 regression in BasicCookieStore serialization.
Contributed by Mark Mielke <mmielke at ciena.com>
* HTTPCLIENT-1934: Default client TLS strategy passes wrong hostname to the hostname verifier.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1882: reset authentication state on I/O or runtime error for connection based
authentication schemes (such as NTLM).
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1924: HttpClient to shut down the connection manager if a fatal error occurs
in the course of a request execution.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* Pooling connection managers to implement graceful and immediate shut down.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1906: certificates containing alternative subject names other than DNS and IP
(such as RFC822) get rejected as invalid.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1904: check cookie domain for null
Contributed by Hans-Peter Keck <hans-peter.keck at haufe-lexware.com>
* HTTPCLIENT-1900: proxy protocol processor in the CONNECT exec interceptor does not
post-process CONNECT response messages.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1898: Incorrect comment in example class ClientMultiThreadedExecution.java
Contributed by Ulrich Romahn <ulrich at ulrichromahn dot net>
* HTTPCLIENT-1931: Add factory enum org.apache.hc.client5.http.classic.methods.ClassicHttpRequests
Contributed by Gary Gregory <ggregory at apache.org>
* HTTPCLIENT-1932: Add factory enum org.apache.hc.client5.http.async.methods.HttpRequests
Contributed by Gary Gregory <ggregory at apache.org>
* HTTPCLIENT-1939: Update Apache Commons Codec from 1.10 to 1.11
Contributed by Gary Gregory <ggregory at apache.org>
* HTTPCLIENT-1947: Update JNA from 4.5.2 to 5.0.0
Contributed by Gary Gregory <ggregory at apache.org>
Release 5.0-BETA1
-------------------
This is the first BETA release of HttpClient 5.0. The 5.0 release serices introduces
support for the HTTP/2 protocol and event driven messaging APIs consistent for all
supported HTTP protocol versions.
Changelog:
-------------------
* DefaultHostnameVerifier to use a custom distinguished name (DN) parser instead of LdapName.
Removed dependency on Java Naming extensions.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTP/2 client implementations to support cancellation of ongoing message exchanges without
terminating the underlying connections.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1395: added config parameter to skip an extra cache entry freshness check upon
cache update in case of a cache miss.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1824, HTTPCLIENT-1384: asynchronous HTTP cache invalidator.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* Redesign of CacheKeyGenerator and HttpCacheInvalidator APIs.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* New APIs for cache entry bulk retrieval; bulk retrieval support by Memcached storage
implementation.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1824, HTTPCLIENT-1868: Asynchronous HTTP cache storage API. Memcached backend
implementation of async HTTP cache storage.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* HTTPCLIENT-1885: Content compression exec interceptor generates incorrect
'Accept-Encoding' header value.
Contributed by Oleg Kalnichevski <olegk at apache.org>
Release 5.0-ALPHA3
-------------------
This is a major release that introduces support for the HTTP/2 protocol and event driven
messaging APIs consistent for all supported HTTP protocol versions.
HttpClient ships with two client implementations:
* HttpClient Classic is based on the classic (blocking) I/O model; largely compatible
with the 4.x APIs; supports HTTP/1.1 only.
* HttpClient Async is based on NIO model; new event driven APIs consistent for all supported
HTTP protocol versions; supports both HTTP/1.1 and HTTP/2.
Notable new features in this release:
* Asynchronous HttpClient implementations optimized for HTTP/2 multiplexed request execution.
* Full support for HTTP caching by asynchronous HttpClient implementations including
streaming message exchanages.
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) on Java 9.0.1+
** TLS 1.2 security features
* Improved conformance to requirements and recommendations of the latest HTTP/1.1 protocol
specification documents (RFC 7230, RFC 7231.)
* Redesigned connection pool implementation with reduced pool lock contention.
* Package name space changed to 'org.apache.hc.client5'.
* Maven group id changed to 'org.apache.httpcomponents.client5'.
* Apache Log4j2 logging APIs used for internal logging instead of Commons Logging APIs.
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.
Please note that as of 5.0, HttpClient requires Java 1.7 or newer.
Changelog:
-------------------
* HttpAsyncClient implementations optimized for HTTP/2 multiplexed
request execution.
Contributed by Oleg Kalnichevski <olegk@apache.org>
* Improved Ehcache and Memcached storage backends.
Contributed by Oleg Kalnichevski <olegk@apache.org>
* [HTTPCLIENT-1827] Full support for HTTP caching by asynchronous HTTP clients.
Contributed by Oleg Kalnichevski <olegk@apache.org>
* Redesign of HTTP cache resource APIs.
Contributed by Oleg Kalnichevski <olegk@apache.org>
* Deprecated Content-Transfer-Encoding field in MIME body parts per RFC 7578, section 4.7.
Contributed by Oleg Kalnichevski <olegk@apache.org>
* [HTTPCLIENT-293] Implemented the percent encoding of the filename parameter of the Content-Disposition header.
Contributed by Ioannis Sermetziadis <sermojohn@gmail.com>
* [HTTPCLIENT-1845]: Extract InputStreamFactory classes out of GzipDecompressingEntity and
DeflateDecompressingEntity for reuse and to create less garbage.
Contributed by Gary Gregory <ggregory at apache.org>
* [HTTPCLIENT-1858] Alleviate GC pressure due to wire logging.
Contributed by Gary Gregory <ggregory at apache.org>
* Avoid fetching the cached entity twice on cache hit.
Contributed by Leandro Nunes <a-lnunes@hotels.com>
* [HTTPASYNC-124] Add doPrivileged blocks to async client and connection manager builders
Contributed by Jay Modi <jay at elastic dot co>
Release 5.0-ALPHA2
-------------------
This is a major release that introduces support for the HTTP/2 protocol and event driven
messaging APIs consistent for all supported HTTP protocol versions.
HttpClient ships with two client implementations:
* HttpClient Classic is based on the classic (blocking) I/O model; largely compatible
with the 4.x APIs; supports HTTP/1.1 only.
* HttpClient Async is based on NIO model; new event driven APIs consistent for all supported
HTTP protocol versions; supports both HTTP/1.1 and HTTP/2.
Notable changes and features included in the 5.0 series are:
* Partial 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) on Java 1.9+
** TLS 1.2 security features
* Improved conformance to requirements and recommendations of the latest HTTP/1.1 protocol
specification documents (RFC 7230, RFC 7231.)
* Redesigned connection pool implementation with reduced pool lock contention.
* Package name space changed to 'org.apache.hc.client5'.
* Maven group id changed to 'org.apache.httpcomponents.client5'.
* Apache Log4j2 logging APIs used for internal logging instead of Commons Logging APIs.
Features that are presently NOT supported:
* HTTP/2 transport (classic)
* HTTP tunneling (async)
* Automatic response content decompression (async)
* Caching (async)
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.
Please note that as of 5.0, HttpClient requires Java 1.7 or newer.
Please note that at this point 5.0 APIs are considered experimental and unstable and are
expected to change in the coming releases without providing a migration path.
Changelog:
-------------------
* [HTTPCLIENT-1714] Add HttpClientBuilder.setDnsResolver(DnsResolver).
Contributed by Alexis Thaveau <alexis.thaveau at gmail.com>
* [HTTPCLIENT-1715] NTLMEngineImpl.Type1Message not thread safe but declared as a constant.
Contributed by Olivier Lafontaine <olafontaine at gmail.com>, Gary Gregory <ggregory at apache.org>
* [HTTPCLIENT-1716] redirect handling of unsafe methods defined by RFC 7231.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1717] Make fluent API .Content.Content(byte[], ContentType) public.
Contributed by Cash Costello <cash.costello at gmail.com>
* [HTTPCLIENT-1730] added #setValidateAfterInactivity to HttpClientBuilder.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1752] Allow to configure the OSGI clients with relaxed SSL checks.
Contributed by Simone Tripodi <simonetripodi at apache.org>
* [HTTPCLIENT-1748] Improved compatibility with system authentication API in applets.
Contributed by Sebastien Caille <sebastien.caille at gmail.com>
* [HTTPCLIENT-1786] Port from Apache Commons Logging to Apache Log4j 2.
Contributed by Gary Gregory <ggregory at apache.org>
* [HTTPCLIENT-1817] Add a "Trust All" TrustStrategy implementation.
Contributed by Gary Gregory <ggregory at apache.org>
* [HTTPCLIENT-1836] DefaultHostnameVerifier#getSubjectAltNames(X509Certificate) throws
java.lang.ClassCastException.
Contributed by Gary Gregory <ggregory at apache.org>, Ilian Iliev <ilian_iliev at yahoo.com>
* [HTTPCLIENT-1691] HttpClient instance used internally by HC Fluent to take system properties into
account by default.
Contributed by Oleg Kalnichevski <olegk at apache.org>
Release 5.0-ALPHA1
-------------------
This major release renders HttpClient API incompatible with the stable 4.x branch
and upgrades HTTP/1.1 protocol conformance to the requirements and recommendations of the latest
protocol specification. This release lays the foundation for transition to HTTP/2 as the primary
transport protocol in the future releases.
Notable changes and features included in the 5.0 series are:
* Improved conformance to requirements and recommendations of the latest HTTP/1.1 protocol
specification (RFC 7230, RFC 7231, RFC 7235)
* Package name space changed to 'org.apache.hc.client5'
* Maven group id changed to 'org.apache.httpcomponents.client5'
* By default the maximum connections per route limit is set to 5
* By default connection request timeout and connect timeout are set to 3 minutes.
HttpClient 5.0 releases can be co-located with earlier versions, meaning you can have both 5.x and
4.x on the classpath without experiencing jar hell.
Please note that as of 5.0 HttpClient requires Java 1.7 or newer.
Please note that at this point we consider 5.0 APIs experimental and unstable and expect them to
change in the coming releases without providing a migration path.
Changelog:
-------------------
* [HTTPCLIENT-1575] route target port must be non negative
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1106] Use character arrays for passwords in Credentials objects
Contributed by Oleg Kalnichevski <olegk at apache.org>
* RFC 7235: redesign of HTTP authenticator and related classes
Contributed by Oleg Kalnichevski <olegk at apache.org>
* RFC 7231: parse capable of parsing multiple auth challenges
Contributed by Oleg Kalnichevski <olegk at apache.org>
* RFC 7231: DefaultServiceUnavailableRetryStrategy to take Retry-After header value into account if specified
Contributed by Oleg Kalnichevski <olegk at apache.org>
* RFC 7231: removed restriction on the use of relative URIs in Location header
Contributed by Oleg Kalnichevski <olegk at apache.org>
* RFC 7231: revised redirect handling
Contributed by Oleg Kalnichevski <olegk at apache.org>
* RFC 7231: do not generate header fields in TRACE requests containing sensitive data such as cookie and user
credentials
Contributed by Oleg Kalnichevski <olegk at apache.org>
* RFC 7231: automatic retrial of idempotent methods
Contributed by Oleg Kalnichevski <olegk at apache.org>
* RFC 7230: increased the default max number of concurrent connection for the same route from 2 to 5
Contributed by Oleg Kalnichevski <olegk at apache.org>
* Cache request line in HttpRequestWrapper
Contributed by Dmitry Potapov <dpotapov at yandex-team.ru>
* [HTTPCLIENT-1651] Add ability to disable content compression on a request basis
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1696]: Add convenience methods to fluent API class Request.
Contributed by Gary Gregory <ggregory @ apache.org>
Release 4.5.1
-------------------
HttpClient 4.5.1 (GA) is a maintenance release that fixes a number of minor defects found since 4.5.
Please note that as of 4.4 HttpClient requires Java 1.6 or newer.
Changelog:
-------------------
* [HTTPCLIENT-1680] redirect of a POST request causes ClientProtocolException.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1673] org.apache.http.entity.mime.content.* missing from OSGi exports.
Contributed by Benson Margulies <benson at basistech.com>
* [HTTPCLIENT-1668] Fluent request incorrectly handles connect timeout setting.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1667] RequestBuilder does not take charset into account when creating
UrlEncodedFormEntity.
Contributed by Sergey Smith <smithsv at bk.ru>
* [HTTPCLIENT-1655] HttpClient sends RST instead of FIN ACK sequence when using non-persistant
connections.
Contributed by Oleg Kalnichevski <olegk at apache.org>
Release 4.5
-------------------
HttpClient 4.5 (GA) is a minor feature release that includes several incremental enhancements
to the exisitng functionality such as support for private domains in the Mozilla Public Suffix List.
Changelog:
-------------------
* Reduced default validate after inactivity setting from 5 sec to 2 sec.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1649] Fixed serialization of auth schemes.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1645]: Fluent requests to inherit config parameters of the executor.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1640]: RFC6265 lax cookie policy fails to parse 'max-age' attribute.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1633]: RFC6265CookieSpecProvider compatibility level setting has no effect.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1613]: Support for private domains in Mozilla Public Suffix List.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1651]: Add ability to disable content compression on a request basis.
Contributed by Michael Osipov <michaelo at apache.org>
* [HTTPCLIENT-1654]: Deprecate/remove RequestConfig#decompressionEnabled in favor of #contentCompressionEnabled.
Contributed by Michael Osipov <michaelo at apache.org>
Release 4.4.1
-------------------
HttpClient 4.4.1 (GA) is a maintenance release that fixes a number of defects in new functionality
introduced in version 4.4.
Users of HttpClient 4.4 are encouraged to upgrade.
Please note that as of 4.4 HttpClient requires Java 1.6 or newer.
Changelog:
-------------------
* Marked RFC 2109, RFC 2965, Netscape draft cookie specs as obsolete.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1633] RFC6265CookieSpecProvider compatibility level setting has no effect.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1628]: Auth cache can fail when domain name contains uppercase characters.
Contributed by Dennis Ju <dejuknow at gmail.com>
* [HTTPCLIENT-1609] Stale connection check in PoolingHttpClientConnectionManager has no effect.
Internal connection pool does not correctly implement connection validation.
Contributed by Charles Lip <rene1 at singnet.com.sg>
Release 4.4 Final
-------------------
This is the first stable (GA) release of HttpClient 4.4. Notable features and enhancements included
in 4.4 series are:
* Support for the latest HTTP state management specification (RFC 6265). Please note that the old
cookie policy is still used by default for compatibility reasons. RFC 6265 compliant cookie
policies need to be explicitly configured by the user. Please also note that as of next feature
release support for Netscape draft, RFC 2109 and RFC 2965 cookie policies will be deprecated
and disabled by default. It is recommended to use RFC 6265 compliant policies for new applications
unless compatibility with RFC 2109 and RFC 2965 is required and to migrate existing applications
to the default cookie policy.
* Enhanced, redesigned and rewritten default SSL hostname verifier with improved RFC 2818
compliance.
* Default SSL hostname verifier and default cookie policy now validate certificate identity
and cookie domain of origin against the public suffix list maintained by Mozilla.org
<https://publicsuffix.org/list>
* More efficient stale connection checking: indiscriminate connection checking which results
in approximately 20 to 50 ms overhead per request has been deprecated in favor of conditional
connection state validation (persistent connections are to be re-validated only if a specified
period inactivity has elapsed.)
* Authentication cache thread-safety: authentication cache used by HttpClient is now thread-safe
and can be shared by multiple threads in order to re-use authentication state for subsequent
requests.
* Native Windows Negotiate and NTLM via SSPI through JNA: when running on Windows OS HttpClient
configured to use native NTLM or SPNEGO authentication schemes can make use of platform specific
functionality via JNA and current user credentials. This functionality is still considered
experimental, known to have compatibility issues and subject to change without prior notice.
Use at your discretion.
This release also includes all fixes from the stable 4.3.x release branch.
Please note that as of 4.4 HttpClient requires Java 1.6 or newer.
Changelog:
-------------------
* Support for the latest HTTP state management specification (RFC 6265).
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1515] Caching of responses to HEAD requests
Contributed by Tyrone Cutajar <tj.cutajar at gmail.com> and
Francois-Xavier Bonnet <fx at apache.org>
* [HTTPCLIENT-1560] Native Windows auth improvements.
Contributed by Michael Osipov <michaelo at apache.org>
* Update Apache Commons Logging version from 1.1.3 to 1.2.
Contributed by Gary Gregory <ggregory at apache.org>
* Update Apache Commons Codec version from 1.6 to 1.9.
Contributed by Gary Gregory <ggregory at apache.org>
* Update Ehcache version from 2.2.0 to 2.6.9.
Contributed by Gary Gregory <ggregory at apache.org>
* Update Ehcache version from 2.2.0 to 2.6.9.
Contributed by Gary Gregory <ggregory at apache.org>
* Update Spymemcached version from 2.6 to 2.11.4.
Contributed by Gary Gregory <ggregory at apache.org>
* Update SLF4J version from 1.5.11 to 1.7.7.
Contributed by Gary Gregory <ggregory at apache.org>
Release 4.4 BETA1
-------------------
This is the first BETA release of HttpClient 4.4. Notable features and enhancements included
in 4.4 series are:
* Enhanced redesigned and rewritten default SSL hostname verifier with improved RFC 2818
compliance
* Default SSL hostname verifier and default cookie policy now validate certificate identity
and cookie domain of origin against the public suffix list maintained by Mozilla.org
<https://publicsuffix.org/list>
* Native windows Negotiate/NTLM via JNA: when running on Windows OS HttpClient configured to use
native NTLM or SPNEGO authentication schemes can make use of platform specific functionality
via JNA and current user system credentials
* More efficient stale connection checking: indiscriminate connection checking which results
in approximately 20 to 50 ms overhead per request has been deprecated in favor of conditional
connection state validation (persistent connections are to be re-validated only if a specified
period inactivity has elapsed)
* Authentication cache thread-safety: authentication caches used by HttpClient is now thread-safe
and can be shared by multiple threads in order to re-use authentication state for subsequent
requests
This release also includes all fixes from the stable 4.3.x release branch.
Please note that as of 4.4 HttpClient requires Java 1.6 or newer.
Changelog:
-------------------
* [HTTPCLIENT-1547] HttpClient OSGi bundle doesn't import the package "javax.naming".
Contributed by Willem Jiang <ningjiang at apache.org>
* [HTTPCLIENT-1541] Use correct (HTTP/hostname) service principal name for Windows native
Negotiate/NTLM auth schemes.
Contributed by Ka-Lok Fung <ka-lok.fung at sap.com>
* Improved compliance with RFC 2818: default hostname verifier to ignore the common name of the
certificate subject if alternative subject names (dNSName or iPAddress) are present.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1540] Support delegated credentials (ISC_REQ_DELEGATE) by Native windows
native Negotiate/NTLM auth schemes.
Contributed by Ka-Lok Fung <ka-lok.fung at sap.com>
Release 4.4 ALPHA1
-------------------
This is the first ALPHA release of HttpClient 4.4. Notable features and enhancements included
in the 4.4 branch are:
* More efficient stale connection checking: indiscriminate connection checking which results
in approximately 20 to 50 ms overhead per request has been deprecated in favor of conditional
connection state validation (persistent connections are to be re-validated only if a specified
period inactivity has elapsed)
* Native windows Negotiate/NTLM via JNA: when running on Windows OS HttpClient configured to use
native NTLM or SPNEGO authentication schemes can make use of platform specific functionality
via JNA and current user system credentials
* Authentication cache thread-safety: authentication caches used by HttpClient is now thread-safe
and can be shared by multiple threads in order to re-use authentication state for subsequent
requests
This release also includes all fixes from the stable 4.3.x release branch.
Please note that as of 4.4 HttpClient requires Java 1.6 or newer.
Please note that new features included in this release are still considered experimental and
their API may change in the future 4.4 alpha and beta releases.
Changelog:
-------------------
* [HTTPCLIENT-1493] Indiscriminate connection checking has been deprecated in favor of conditional
connection state validation. Persistent connections are to be re-validated only after a defined
period inactivity prior to being leased to the consumer.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1519] Use the original HttpHost instance passed as a parameter to
HttpClient#execute when generating 'Host' request header.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1491] Enable provision of Service Principal Name in Windows native
auth scheme.
Contributed by Malcolm Smith <malcolmfsmith at gmail.com>
* [HTTPCLIENT-1403] Pluggable content decoders.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1466] FileBodyPart#generateContentType() ignores custom ContentType values.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1461] fixed performance degradation in gzip encoded content processing
introduced by HTTPCLIENT-1432.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1457] Incorrect handling of Windows (NT) credentials by
SystemDefaultCredentialsProvider.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1456] Request retrial after status 503 causes ClientProtocolException.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1454] Make connection operator APIs public.
Contributed by Tamas Cservenak <tamas at cservenak.net>
* Update JUnit to version 4.11 from 4.9
Contributed by Gary Gregory <ggregory at apache.org>
Release 4.3.4
-------------------
HttpClient 4.3.4 (GA) is a maintenance release that improves performance in high concurrency
scenarios. This version replaces dynamic proxies with custom proxy classes and eliminates thread
contention in java.reflect.Proxy.newInstance() when leasing connections from the connection pool
and processing response messages.
Changelog:
-------------------
* Replaced dynamic proxies with custom proxy classes to reduce thread contention.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1484] GzipCompressingEntity should not close the underlying output stream
if the entity has not been fully written out due to an exception.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1474] Fixed broken entity enclosing requests in HC Fluent.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1470] CachingExec(ClientExecChain, HttpCache, CacheConfig, AsynchronousValidator)
throws NPE if config is null
Release 4.3.3
-------------------
HttpClient 4.3.3 (GA) is a bug fix release that fixes a regression introduced by the previous
release causing a significant performance degradation in compressed content processing.
Users of HttpClient 4.3 are encouraged to upgrade.
Changelog:
-------------------
* [HTTPCLIENT-1466] FileBodyPart#generateContentType() ignores custom ContentType values.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1453] Thread safety regression in PoolingHttpClientConnectionManager
#closeExpiredConnections that can lead to ConcurrentModificationException.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1461] fixed performance degradation in compressed content processing
introduced by HTTPCLIENT-1432.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1457] Incorrect handling of Windows (NT) credentials by
SystemDefaultCredentialsProvider.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1456] Request retrial after status 503 causes ClientProtocolException.
Contributed by Oleg Kalnichevski <olegk at apache.org>
Release 4.3.2
-------------------
HttpClient 4.3.2 (GA) is a maintenance release that delivers a number of improvements
as well as bug fixes for issues reported since 4.3.1 release. SNI support for
Oracle JRE 1.7+ is being among the most notable improvements.
Users of HttpClient 4.3 are encouraged to upgrade.
Changelog:
-------------------
* [HTTPCLIENT-1447] Clients created with HttpClients.createMinimal do not work with absolute URIs
Contributed by Joseph Walton <joe at kafsemo dot org>
* [HTTPCLIENT-1446] NTLM proxy + BASIC target auth fails with 'Unexpected state:
MSG_TYPE3_GENERATED'.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1443] HttpCache uses the physical host instead of the virtual host as a cache key.
Contributed by Francois-Xavier Bonnet <fx at apache.org>
* [HTTPCLIENT-1442] Authentication header set by the user gets removed in case
of proxy authentication (affects plan HTTP requests only).
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1441] Caching AsynchronousValidationRequest leaks connections.
Contributed by Dominic Tootell <dominic.tootell at gmail.com>
* [HTTPCLIENT-1440] 'file' scheme in redirect location URI causes NPE.
Contributed by James Leigh <james at 3roundstones dot com>
* [HTTPCLIENT-1437] Made Executor#execute thread safe.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1119] SNI support (Oracle Java 1.7+ only).
Contributed by Bruno Harbulot <bruno at distributedmatter.net>
* [HTTPCLIENT-1435] Fluent Executor ignores custom request properties.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1432] Lazy decompressing of HttpEntity#getContent() to avoid EOFException
in case of an empty response with 'Content-Encoding: gzip' header.
Contributed by Yihua Huang <code4crafter at gmail.com>
* [HTTPCLIENT-1431] (Regression) deprecated connection manager cannot be used with
a custom LayeredSchemeSocketFactory.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1425] Fixed socket closed exception thrown by caching HttpClient when the origin
server sends a long chunked response.
Contributed by James Leigh <james at 3roundstones dot com>
* [HTTPCLIENT-1417] Fixed NPE in BrowserCompatSpec#formatCookies caused by version 1
cookies with null cookie value.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1416] Fixed NPE in CachingHttpClientBuilder#build().
Contributed by Oleg Kalnichevski <olegk at apache.org>
Release 4.3.1
-------------------
HttpClient 4.3.1 (GA) is a bug fix release that addresses a number of issues reported since
release 4.3.
Users of HttpClient 4.3 are strongly encouraged to upgrade.
Changelog
-------------------
* [HTTPCLIENT-1410] Browser compatible hostname verifier no longer rejects
*.co.<countrycode>, *.gov.<countrycode>, *.info.<countrycode>, etc as invalid.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* Ensure X509HostnameVerifier is never null.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1405] CONNECT HTTP/1.1 requests lack mandatory 'Host' header.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1402] Cache default User-Agent value.
Contributed by yuexiaojun <junedo at qq.com>
* [HTTPCLIENT-1398] Fixed invalid OSGi metadata caused by corrupted Maven bundle plugin metadata.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1399] Fixed NPE in RequestBuilder.
Contributed by Oleg Kalnichevski <olegk at apache.org>
Release 4.3 Final
-------------------
This is the first stable (GA) release of HttpClient 4.3. The most notable enhancements included
in this release are:
* Support for Java 7 try-with-resources for resource management (connection release.)
* Added fluent Builder classes for HttpEntity, HttpRequest, HttpClient and SSLContext instances.
* Deprecation of preference and configuration API based on HttpParams interface in favor of
constructor injection and plain configuration objects.
* Reliance on object immutability instead of access synchronization for thread safety.
Several old classes whose instances can be shared by multiple request exchanges have
been replaced by immutable equivalents.
* DefaultHttpClient, DecompressingHttpClient, CachingHttpClient and similar classes are
deprecated in favor of builder classes that produce immutable HttpClient instances.
* HttpClient builders now dynamically construct a request execution pipeline tailored
specifically to the user configuration by physically excluding unnecessary protocol components.
* There is now an option to construct a minimal HttpClient implementation that can only execute
basic HTTP message exchanges without redirects, authentication, state management or proxy support.
This feature might be of particular use in web crawler development.
* There is now option to avoid strict URI syntax for request URIs by executing HTTP requests
with an explicitly specified target host. HttpClient will no longer attempt to parse the request
URI if it does not need to extract the target host from it.
This release also includes all fixes from the stable 4.2.x release branch.
Changelog
-------------------
* [HTTPCLIENT-1371] Weak ETag Validation is Useful On PUT With If-Match
Contributed by James Leigh <james at 3roundstones dot com>
* [HTTPCLIENT-1394] Support for Native windows Negotiate/NTLM via JNA
Contributed by Ryan McKinley <ryan at apache.org>
* [HTTPCLIENT-1384] Expose CacheInvalidator interface.
Contributed by Nicolas Richeton <nicolas.richeton at free.fr>
* [HTTPCLIENT-1385] Fixed path normalization in CacheKeyGenerator
Contributed by James Leigh <james at 3roundstones dot com>
* [HTTPCLIENT-1370] Response to non-GET requests should never be cached with the default
ResponseCachingPolicy
Contributed by James Leigh <james at 3roundstones dot com>
* [HTTPCLIENT-1373] OPTIONS and TRACE should not invalidate cache
Contributed by James Leigh <james at 3roundstones dot com>
* [HTTPCLIENT-1383] HttpClient enters an infinite loop during NTLM authentication if the opposite
endpoint keeps responding with a type 2 NTLM response after type 3 MTLM message has already been
sent by the client.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1372] Refactor HttpMultipart, and add RFC6532 mode, so that headers in post
are no longer constrained to ASCII values.
Contributed by Karl Wright <kwright at apache.org>
* [HTTPCLIENT-1377] User principal for non-NTLM authentication is incorrectly generated when using
user credentials are specified as NTCredentials
Contributed by Gary Gregory <ggregory at apache.org>
Release 4.3 BETA2
-------------------
This is the second BETA release of HttpClient 4.3. The most notable features and improvements
in the 4.3 branch are: Support for Java 7 try-with-resources for resource management (connection
release); fluent Builder classes for HttpEntity, HttpRequest and HttpClient instances, deprecation
of preference and configuration API based on HttpParams interface in favor of constructor injection
and plain configuration objects, reliance on object immutability instead of access synchronization
for thread safety.
This release also includes all fixes from the stable 4.2.x release branch.
Changelog
-------------------
* [HTTPCLIENT-1366] org.apache.http.client.utils.URLEncodedUtils should parse the semicolon as a query parameter separator.
Contributed by Gary Gregory <ggregory at apache.org>
* [HTTPCLIENT-1365] NPE when ManagedHttpClientConnectionFactory.create(ConnectionConfig) is called with null.
Contributed by Gary Gregory <ggregory at apache.org>
* [HTTPCLIENT-1362] Better error messages for connect timed out and connection refused
exceptions.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1360] separate out DeflateInputStream as an independent class,
so it can be used by others.
Contributed by Karl Wright <kwright at apache.org>
* [HTTPCLIENT-1359] repeated requests using the same context fail if they redirect.
Contributed by James Leigh <james at 3roundstones.com>
* [HTTPCLIENT-1354] do not quote algorithm parameter in DIGEST auth response.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1351] Added utility method to resolve final location from original request,
target host and a list of redirects.
Contributed by James Leigh <james at 3roundstones.com>
* [HTTPCLIENT-1344] Userinfo credentials in URI should not default to preemptive BASIC
authentication.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1345] Useinfo credentials ignored in redirect location header.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1294] HttpClient to rewrite host name of the redirect location URI in order
to avoid circular redirect exception due to host name case mismatch.
Contributed by Oleg Kalnichevski <olegk at apache.org>
* [HTTPCLIENT-1264] Add support for multiple levels of browser compatibility