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https://issues.apache.org/jira/browse/JCR-4126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amit Jain reassigned JCR-4126:
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Assignee: Amit Jain
> Shared FileDataStore throws exception if two processes try to add the same
> file concurrently
> --------------------------------------------------------------------------------------------
>
> Key: JCR-4126
> URL: https://issues.apache.org/jira/browse/JCR-4126
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-data
> Affects Versions: 2.15.1
> Reporter: Csaba Varga
> Assignee: Amit Jain
> Priority: Minor
> Attachments: concurrent-datastore-fix.diff
>
>
> The FileDataStore implementation can throw an IOException if multiple
> repositories share the same data store and multiple repositories try to add
> the same record at the same time. This can happen easily when you set up
> multiple AEM publisher instances to share the same data store to save disk
> space. (AEM uses Oak, but the Oak file blobstore implementation ends up using
> the Jackrabbit FileDataStore implementation, so at the end of the day the bug
> affects the latest Oak and latest AEM as well.)
> We have noticed this issue via log analysis. When we publish the same asset
> to all of our publisher instances, we are seeing a recurring IOException in
> the log. The author instance eventually retries the publish operation and by
> that time, there is no race condition and the operation succeeds, but the
> situation is still not ideal.
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