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From: Jukka Zitting <jukka@apache.org>
Date: Wed, 15 Dec 2010 20:32:22 +0200
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Subject: [ANNOUNCE] Apache Jackrabbit 2.2.0 released
To: announce@apache.org, announce@jackrabbit.apache.org,
	Jackrabbit Users <users@jackrabbit.apache.org>,
	Jackrabbit Developers <dev@jackrabbit.apache.org>
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The Apache Jackrabbit community is pleased to announce the release of
Apache Jackrabbit 2.2.0. The release is available for download at:

   http://jackrabbit.apache.org/downloads.html

See the full release notes below for details about this release.


Release Notes -- Apache Jackrabbit -- Version 2.2.0

Introduction
------------

This is Apache Jackrabbit(TM) 2.2, a fully compliant implementation of the
Content Repository for Java(TM) Technology API, version 2.0 (JCR 2.0) as
specified in the Java Specification Request 283 (JSR 283).

Changes in this release
-----------------------

Jackrabbit 2.2 is an incremental feature release based on the earlier
2.x releases. The most notable changes in this release are:

  * Performance improvements. The performance of features like access
    control, user and group management, concurrent read/write operations
    and join queries have been notably improved. A performance test suite
    was added to track improvements and prevent regressions.

  * Deprecation of old persistence managers. All non-bundle persistence
    managers and also non-pooled bundle database persistence managers have
    been deprecated in preparation for potential future changes of the
    persistence layer. All the deprecated persistence managers will remain
    functional and supported in future 2.x releases, but will most likely
    be removed in Jackrabbit 3.0.

  * Better thread-safety. Significant effort has been spent on making
    Jackrabbit more resilient against various kinds of concurrency issues.
    Most notably Jackrabbit no longer assumes that clients will follow the
    JCR specification in not using a single session concurrently from multiple
    threads. Doing so is still not recommended, but it's no longer likely to
    cause significant trouble.

  * Switch from log4j to Logback. The default Jackrabbit deployment
    packages (jar, war, rar) now use Logback instead of log4j for improved
    logging functionality. Thanks to the SLF4J logging framework it is still
    easy for downstream deployments to switch to another logging backend for
    example if support for existing configurations is needed.

  * Over 150 other fixes and improvements.

For more detailed information about all the changes in this and other
Jackrabbit releases, please see the Jackrabbit issue tracker at

    https://issues.apache.org/jira/browse/JCR

Release Contents
----------------

This release consists of a single source archive packaged as a zip file.
The archive can be unpacked with the jar tool from your JDK installation.
See the README.txt file for instructions on how to build this release.

The source archive is accompanied by SHA1 and MD5 checksums and a PGP
signature that you can use to verify the authenticity of your download.
The public key used for the PGP signature can be found at
https://svn.apache.org/repos/asf/jackrabbit/dist/KEYS.

About Apache Jackrabbit
-----------------------

Apache Jackrabbit is a fully conforming implementation of the Content
Repository for Java Technology API (JCR). A content repository is a
hierarchical content store with support for structured and unstructured
content, full text search, versioning, transactions, observation, and
more.

For more information, visit http://jackrabbit.apache.org/

About The Apache Software Foundation
------------------------------------

Established in 1999, The Apache Software Foundation provides organizational,
legal, and financial support for more than 100 freely-available,
collaboratively-developed Open Source projects. The pragmatic Apache License
enables individual and commercial users to easily deploy Apache software;
the Foundation's intellectual property framework limits the legal exposure
of its 2,500+ contributors.

For more information, visit http://www.apache.org/