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https://issues.apache.org/jira/browse/SLING-10112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17276984#comment-17276984
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Timothee Maret commented on SLING-10112:
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For the record, the non heuristic way to solve this would be to interrupt the
Session#save operation but that is not possible. The JCR API does not cover
interruptions and Apache Oak does not support Tread.interrupt
https://jackrabbit.apache.org/oak/docs/dos_and_donts.html
> Distribution Queue can not be reliably cleared due to race condition
> processing delete messages
> -----------------------------------------------------------------------------------------------
>
> Key: SLING-10112
> URL: https://issues.apache.org/jira/browse/SLING-10112
> Project: Sling
> Issue Type: Improvement
> Components: Content Distribution
> Reporter: Christian Schneider
> Assignee: Christian Schneider
> Priority: Major
>
> Replication queue can not be reliable cleared due to race condition with
> processing the 'delete' messages.
> If the first message is stuck during processing, the 'clear queue' signal
> might never have effect on the subscriber.
> A restart of the process does not help as the same situation might occur.
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