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https://issues.apache.org/jira/browse/SLING-11867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler closed SLING-11867.
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> Empty mapping from ResourceMapper breaks authentication requirement updates
> ---------------------------------------------------------------------------
>
>                 Key: SLING-11867
>                 URL: https://issues.apache.org/jira/browse/SLING-11867
>             Project: Sling
>          Issue Type: Bug
>          Components: Authentication
>    Affects Versions: Auth Core 1.6.0
>            Reporter: Sagar Miglani
>            Assignee: Carsten Ziegeler
>            Priority: Major
>             Fix For: Auth Core 1.6.2
>
>
> When a resource has a path less url as vanity path (eg: 
> "http://www.example.com";) ResourceMapper.getAllMappings returns mappings 
> consisting of an empty path "".
> This "" mapping can make {{AuthenticationRequirementsManager}} stop listening 
> to further  authentication requirements [0]:
> {code:xml}
> Exception in thread "pool-14-thread-1" java.lang.IllegalArgumentException: 
> Configuration must not be null or empty
>       at 
> org.apache.sling.auth.core.impl.AuthenticationRequirementHolder.fromConfig(AuthenticationRequirementHolder.java:30)
>       at 
> org.apache.sling.auth.core.impl.AuthenticationRequirementsManager.addService(AuthenticationRequirementsManager.java:374)
>       at 
> org.apache.sling.auth.core.impl.AuthenticationRequirementsManager.process(AuthenticationRequirementsManager.java:300)
>       at 
> org.apache.sling.auth.core.impl.AuthenticationRequirementsManager.processQueue(AuthenticationRequirementsManager.java:281)
>       at 
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>       at 
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>       at java.base/java.lang.Thread.run(Thread.java:834)
> {code}
> In SLING-11861 and [0], it was suggested to make changes in caller's code 
> instead of changing the behaviour of ResoucreMapper.
> [0]: https://github.com/apache/sling-org-apache-sling-resourceresolver/pull/96



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