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https://issues.apache.org/jira/browse/SLING-10983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17455886#comment-17455886
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Konrad Windszus commented on SLING-10983:
-----------------------------------------

As removing ACLs cannot easily be prevented (would require some Jackrabbit API) 
without reworking the overwrite semantics of folder nodes in a more complex way 
(i.e. keep the existing node, but adjust its primary and mixin types and remove 
all other (non-protected) properties) I think we have the following options:

# keep current behaviour or
# bail out in case overwrite:=true is used without the path directive

I would be in favour of option 2 actually, because in all cases I have seen 
this was not done deliberately but by mistake and it often goes unnoticed.
In any case the documentation at 
https://sling.apache.org/documentation/bundles/content-loading-jcr-contentloader.html#
 needs to be clarified that
* overwrite never starts at root, but always at the path below
* overwrite might also remove existing permissions bound to the node

> Sling-Initial-Content removes ACLs when using overwrite:=true without path
> --------------------------------------------------------------------------
>
>                 Key: SLING-10983
>                 URL: https://issues.apache.org/jira/browse/SLING-10983
>             Project: Sling
>          Issue Type: Bug
>    Affects Versions: JCR ContentLoader 2.4.2
>            Reporter: Konrad Windszus
>            Assignee: Konrad Windszus
>            Priority: Major
>
> In the context of 
> https://github.com/apache/sling-org-apache-sling-models-validation-impl/pull/1
>  it turned out that if you use a Sling-Initial-Content header without an 
> explicit {{path}} directive it will remove ACLs on nodes below the root node 
> (if it is a parent node of the node to be updated by Sling-Initial-Content).



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