The Apache Jackrabbit community is pleased to announce the release of
Apache Jackrabbit 2.20.1. The release is available for download at:

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

Release Notes -- Apache Jackrabbit -- Version 2.20.1


This is Apache Jackrabbit(TM) 2.20.1, 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 2.20.1 is an incremental feature release based on
and compatible with earlier stable Jackrabbit 2.x releases. Jackrabbit
2.20.x releases are considered stable and targeted for production use.

The minimum Java version for this release is Java 8. See

for maintenance versions that support earlier Java versions.

Changes in Jackrabbit 2.20.1


    [JCR-3942] - Content-Length header field may be set twice
[JCR-4549] - backup with RepositoryCopier.copy() fails on second method call [JCR-4551] - Use the normalized MediaType to check if the given MediaType should be indexed


    [JCR-4541] - reduce classpath lookups for SaxParserFactory


    [JCR-4519] - Update httpcore dependency to 4.4.13
    [JCR-4520] - Update Jackrabbit trunk and 2.20 to Oak 1.22.0
    [JCR-4522] - Update httpclient/mime dependencies to 4.5.11
    [JCR-4525] - Update Jackrabbit trunk and 2.20 to Oak 1.24.0
    [JCR-4529] - Update tomcat dependency to 8.5.50
[JCR-4530] - jackrabbit-core: avoid use of deprecated commons-collections Buffers
    [JCR-4531] - Update tomcat dependency to 8.5.51/7.0.100
    [JCR-4539] - Update Jackrabbit trunk and 2.20 to Oak 1.26.0
    [JCR-4543] - Update Tika dependency to 1.24
    [JCR-4544] - Update slf4j dependency to 1.7.30
    [JCR-4545] - Update httpclient/mime dependencies to 4.5.12
[JCR-4546] - Update aws java sdk version to 1.11.700 (consistent with Oak)
    [JCR-4547] - Update tomcat dependency to 8.5.53/7.0.103
    [JCR-4548] - update javadoc-plugin dependency to 3.2.0
    [JCR-4554] - Update Tika dependency to 1.24.1
    [JCR-4555] - Update mockito dependency to 3.3.3
    [JCR-4556] - Update tomcat dependency to 8.5.54
    [JCR-4557] - update junit dependency to 4.13
    [JCR-4558] - update Apache parent pom to version 23
    [JCR-4559] - Update commons file-upload dependency to 1.4
    [JCR-4560] - Update h2db dependency to 1.4.200
    [JCR-4561] - webapp: update htmlunit dependency to 2.40.0
    [JCR-4562] - Remove workaround for FELIX-2492
    [JCR-4563] - test OSGi bundles
[JCR-4564] - jackrabbit-jcr-server: remove obsolete workaround for scr-plugin
    [JCR-4575] - Update tomcat dependency to 8.5.55/7.0.104

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

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 an SHA512 checksum 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

About The Apache Software Foundation

Established in 1999, The Apache Software Foundation provides organizational,
legal, and financial support for more than 140 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 3,800+ contributors.

For more information, visit


Apache Jackrabbit, Jackrabbit, Apache, the Apache feather logo, and the Apache
Jackrabbit project logo are trademarks of The Apache Software Foundation.

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