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https://issues.apache.org/jira/browse/OAK-4153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Egli resolved OAK-4153.
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Resolution: Fixed
> segment's compareAgainstBaseState wont call childNodeDeleted when deleting
> last and adding n nodes
> --------------------------------------------------------------------------------------------------
>
> Key: OAK-4153
> URL: https://issues.apache.org/jira/browse/OAK-4153
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: segmentmk
> Affects Versions: 1.2.13, 1.0.29, 1.4.1, 1.5.0
> Reporter: Stefan Egli
> Assignee: Stefan Egli
> Priority: Critical
> Fix For: 1.4.7, 1.2.19, 1.0.34, 1.5.1
>
> Attachments: OAK-4153-2.patch, OAK-4153-3.patch, OAK-4153.patch,
> OAK-4153.simplified.patch
>
>
> {{SegmentNodeState.compareAgainstBaseState}} fails to call
> {{NodeStateDiff.childNodeDeleted}} when for the same parent the only child is
> deleted and at the same time multiple new, different children are added.
> Reason is that the [current
> code|https://github.com/apache/jackrabbit-oak/blob/a9ce70b61567ffe27529dad8eb5d38ced77cf8ad/oak-segment/src/main/java/org/apache/jackrabbit/oak/plugins/segment/SegmentNodeState.java#L558]
> for '{{afterChildName == MANY_CHILD_NODES}}' *and* '{{beforeChildName ==
> ONE_CHILD_NODE}}' does not handle all cases: it assumes that 'after' contains
> the 'before' child and doesn't handle the situation where the 'before' child
> has gone.
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