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https://issues.apache.org/jira/browse/RANGER-2856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17133587#comment-17133587
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Madhan Neethiraj commented on RANGER-2856:
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The side effect is deleting such policies is potential skipping of audit logs 
for the resources covered by the policy i.e. if there is no audit-enabled 
policy that matches the accessed resource, Ranger plugins would not generate 
audit logs. I suggest to not delete policies having no items automatically.

> A policy should be deleted if it has no policyItems
> ---------------------------------------------------
>
>                 Key: RANGER-2856
>                 URL: https://issues.apache.org/jira/browse/RANGER-2856
>             Project: Ranger
>          Issue Type: Bug
>          Components: admin, Ranger
>    Affects Versions: master
>            Reporter: RickyMa
>            Priority: Minor
>             Fix For: master
>
>         Attachments: RANGER-2856.patch
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Condition: A policy contains only one policyItem and the policyItem only sets 
> one user and no groups.
> Action: Delete the user in the policyItem using API: 
> '[http://ip:6080/service/xusers/users/\{id}?forceDelete=true'|http://ip:6080/service/xusers/users/id?forceDelete=true%27,]
> Result: The policy still exists, but it has no policyItems. A policy with no 
> policyItems is completely meaningless and it should be deleted.



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