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https://issues.apache.org/jira/browse/OAK-2420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14367479#comment-14367479
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Marcel Reutegger commented on OAK-2420:
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Added a test (currently ignored): http://svn.apache.org/r1667590
> DocumentNodeStore revision GC may lead to NPE
> ---------------------------------------------
>
> Key: OAK-2420
> URL: https://issues.apache.org/jira/browse/OAK-2420
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core
> Affects Versions: 1.0
> Reporter: Marcel Reutegger
> Assignee: Marcel Reutegger
> Priority: Minor
> Fix For: 1.1.9
>
>
> The DocumentNodeStore revision GC may cause a NPE in a reader thread when the
> GC deletes documents currently accessed by the reader. The
> {{docChildrenCache}} is invalidated in
> {{VersionGarbageCollector.collectDeletedDocuments()}} after documents are
> removed in the DocumentStore. The NPE may occur if removed documents are
> access in between.
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