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https://issues.apache.org/jira/browse/OAK-5517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15838176#comment-15838176
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Michael Dürig commented on OAK-5517:
------------------------------------

Test case reproducing the {{SNFE}} at 
http://svn.apache.org/viewvc?rev=1780247&view=rev

> SNFE when running compaction after a cancelled gc
> -------------------------------------------------
>
>                 Key: OAK-5517
>                 URL: https://issues.apache.org/jira/browse/OAK-5517
>             Project: Jackrabbit Oak
>          Issue Type: Bug
>          Components: segment-tar
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>            Priority: Blocker
>              Labels: compaction, gc
>             Fix For: 1.6
>
>
> When a gc run is cancelled the subsequent run (compaction phase to be 
> precise) can result in a {{SNFE}}. The reason for this is the node 
> deduplication cache not being purged in the cancellation case. This causes 
> the subsequent compaction to reference node states from that cache that have 
> been cleaned. 



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