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From Alex Parvulescu <alex.parvule...@gmail.com>
Subject [ANNOUNCE] Apache Jackrabbit 2.2.12 released
Date Tue, 24 Apr 2012 09:24:00 GMT
The Apache Jackrabbit community is pleased to announce the release of
Apache Jackrabbit 2.2.12. The release is available for download at:


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

Release Notes -- Apache Jackrabbit -- Version 2.2.12


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).

Apache Jackrabbit 2.2.12 is patch release that contains fixes and
improvements over previous 2.2.x releases. This release is backwards
compatible with all earlier 2.x releases.

Changes in this release

New Features

  [JCR-3255] - Access cluster node id


  [JCR-3066] - Use only one scheduler for repository tasks
  [JCR-3146] - Text extraction may congest thread pool in the repository
  [JCR-3286] - InternalVersionManagerBase.calculateCheckinVersionName will
fail with NPE upon empty predecessors property

Bug fixes

  [JCR-3158] - Deadlock in DBCP when accessing node
  [JCR-3254] - make max size of CachingEntryCollector's cache configurable
  [JCR-3259] - augment logging information around CachingEntryCollector
  [JCR-3262] - Oracle JDBC Class Cast Exception
  [JCR-3266] - JCR-SQL2 query with multiple columns in result only returns
last column when using Row.getValues()
  [JCR-3289] - Remove operation right after move operation causes missing
child inconsistency
  [JCR-3290] - Concurrent add and move can cause inconsistency
  [JCR-3291] - Stack overflow in multi-session test with moves
  [JCR-3292] - Workspace move in concurrent environment causes
  [JCR-3298] - jackrabbit-core RepositoryChecker.fix() can fail with OOM

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


Node type unregistration problem in 2.2.[0-10]

Earlier 2.2.x releases (< 2.2.11) mistakenly allowed node types to be
unregistered without no checks on whether those types are still referenced
in content. Before Jackrabbit 2.1 the "checkForReferencesInContent" method
used to always throw a "not yet implemented" exception since we haven't yet
implemented that functionality and didn't want people to accidentally break
the consistency of their content by removing types that are still used.
However, before the 2.1 release this exception was accidentally disabled
and thus in Jackrabbit versions 2.1.x and 2.2.x it has so far been possible
to remove node types with no such consistency constraints.

This issue was fixed in Jackrabbit 2.2.11 by re-enabling the exception in
the checkForReferencesInContent method, which will break all client code
that tries to unregister node types. If you need this functionality and
are aware of the potential problems, you can restore the old behaviour
by setting the disableCheckForReferencesInContentException system property
to "true".

Data consistency issue in 2.2.[0-6]

Earlier 2.2.x releases (< 2.2.7) had a problem where very large positive
or negative long property values (more than 62 bits) could not be correctly
read from the reepository. The values are still correctly stored in the
reporistory, and can be properly read after upgrading to this release,
but any previous computations or other information derived from such
properties should be checked for correctness.

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

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

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/

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