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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2015/01/09 12:26:34 UTC

[jira] [Commented] (OAK-2384) SegmentNotFoundException when keeping JCR Value references

    [ https://issues.apache.org/jira/browse/OAK-2384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14270897#comment-14270897 ] 

Michael Dürig commented on OAK-2384:
------------------------------------

Test case at http://svn.apache.org/r1650503

> SegmentNotFoundException when keeping JCR Value references
> ----------------------------------------------------------
>
>                 Key: OAK-2384
>                 URL: https://issues.apache.org/jira/browse/OAK-2384
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: core
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>            Priority: Critical
>             Fix For: 1.0.10, 1.1.5
>
>
> With OAK-2192 revision gc started to remove segments older than a certain threshold. The underlying assumption was that old sessions would call refresh (i.e. auto refresh) anyway once they become active again. However, it turns out that refreshing a sessions does not affect JCR values as those are directly tied to the underlying record. Accessing those values after its segment has been gc'ed results in a {{SegmentNotFoundException}}. 
> Keeping reference to JCR values is an important use case for Sling's {{JcrPropertyMap}}, which is widely used.



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