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From "Julian Reschke (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCR-3016) inconsistent repository after overlapping node add operations
Date Thu, 07 Jul 2011 12:52:16 GMT

    [ https://issues.apache.org/jira/browse/JCR-3016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13061262#comment-13061262
] 

Julian Reschke commented on JCR-3016:
-------------------------------------

So it seems the failed save() operation leaves the transient space in a state where it *can*
be saved, but the save will cause repository corruption.

Either the second save() operation on Session 2 should fail just like the first one, or alternatively
the persisted change from Session 1 would need to be merged in - but I don't believe adding
a same-named child node is something that is supposed to be mergeable.

> inconsistent repository after overlapping node add operations
> -------------------------------------------------------------
>
>                 Key: JCR-3016
>                 URL: https://issues.apache.org/jira/browse/JCR-3016
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: jackrabbit-core
>            Reporter: Julian Reschke
>         Attachments: OverlappingNodeAddTest.diff
>
>
> It seems I can reproduce a sequence of operations that cause the repository to be inconsistent.
> The short version: 2 sessions add a same-named child node to the same parent folder (not
allowing same-name-siblings). Session 1's save() succeeds. Session 2's save() fails, but succeeds
on retry (!).
> After the operation, the child node created by session 1 is still present, but the parent
doesn't list it as child node anymore.
> (will add test case)

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