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http://jira.magnolia-cms.com/browse/MAGNOLIA-3188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grégory Joseph updated MAGNOLIA-3188:
-------------------------------------

        Summary: Upgrade to JackRabbit 1.6.2 (Underlying Apache JackRabbit 
1.6.1 bug causes data corruption)  (was: Underlying Apache JackRabbit 1.6.1 bug 
causes data corruption)
    Component/s: build
                 core

A belated thank you to Paul for reporting this !

> Upgrade to JackRabbit 1.6.2 (Underlying Apache JackRabbit 1.6.1 bug causes 
> data corruption)
> -------------------------------------------------------------------------------------------
>
>                 Key: MAGNOLIA-3188
>                 URL: http://jira.magnolia-cms.com/browse/MAGNOLIA-3188
>             Project: Magnolia
>          Issue Type: Bug
>          Components: activation, build, core
>    Affects Versions: 4.3, 4.3.1
>            Reporter: Paul Jara
>            Assignee: Ondřej Chytil
>            Priority: Critical
>             Fix For: 4.3.3, 5.0
>
>
> Apache JackRabbit 1.6.x is claimed to be backwards compatible with previous 
> version. That is not the case and it appears to be leading to severe data 
> corruption issues in our production environment. Specifically, in previous 
> versions of JackRabbit, jcr:isCheckedOut is declared mix:versionable. In the 
> new version it is declared mix:simpleVersionable.
> The problem results in some warnings similar to the following:
> ItemManager - property at /path/to/node/jcr:isCheckedOut has invalid 
> definitionId (1284956073)
> However, it appears to cause activation/deactivation to fail and in at least 
> one case, an activation caused corrupt data to be deployed to the production 
> public instances of our environment causing the entire repository workspace 
> to become corrupt.
> The JackRabbit bug has just been declared resolved here (#JCR-2433) 
> https://issues.apache.org/jira/browse/JCR-2433

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