[jira] Commented: (JCR-2456) Repository is corrupt after concurrent changes with the same session

["Marcel Reutegger (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JCR-2456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12799949#action_12799949 ] 

Marcel Reutegger commented on JCR-2456:
---------------------------------------

What's the performance impact of this patch? E.g. how much time does it take to save 1k added nodes with / without this patch?

> Repository is corrupt after concurrent changes with the same session
> --------------------------------------------------------------------
>
>                 Key: JCR-2456
>                 URL: https://issues.apache.org/jira/browse/JCR-2456
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: jackrabbit-core
>    Affects Versions: 2.0-beta4
>            Reporter: Thomas Mueller
>         Attachments: patch-2456.txt, TestMultiThread.java
>
>
> After concurrent write operations using the same session, the repository can get corrupt, meaning a ItemNotFoundException is thrown when trying to remove a node.
> Concurrent write operations are not supported, however I believe the persistent state of the repository should not be get corrupt.
> One way to solve this problem is to synchronize on the session internally.

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