Sagar Miglani created SLING-11861:
-------------------------------------

             Summary:  ResourceMapper.getAllMappings returns empty mapping "" 
when a vanity paths is pathless url
                 Key: SLING-11861
                 URL: https://issues.apache.org/jira/browse/SLING-11861
             Project: Sling
          Issue Type: Bug
          Components: ResourceResolver
    Affects Versions: Resource Resolver 1.10.0
            Reporter: Sagar Miglani


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 {{SlingAuthenticatorServiceListener}} 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}

Clarification required:
- Is "" mapping/path a valid path? Should we store and return vanity path as 
"/" in case of pathless url as vanity path?

cc: [~cziegeler] [~rombert] [~reschke]


[0]: 
https://github.com/apache/sling-org-apache-sling-auth-core/blob/org.apache.sling.auth.core-1.5.0/src/main/java/org/apache/sling/auth/core/impl/SlingAuthenticatorServiceListener.java#L345-L351



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