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Posted to dev@sling.apache.org by "Karl Pauls (JIRA)" <ji...@apache.org> on 2018/10/10 21:53:00 UTC

[jira] [Created] (SLING-8006) IndexOutOfBoundsException in ResourceProviderTracker.setObservationReporterGenerator

Karl Pauls created SLING-8006:
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             Summary: IndexOutOfBoundsException in ResourceProviderTracker.setObservationReporterGenerator
                 Key: SLING-8006
                 URL: https://issues.apache.org/jira/browse/SLING-8006
             Project: Sling
          Issue Type: Bug
          Components: ResourceResolver
    Affects Versions: Resource Resolver 1.6.6
            Reporter: Karl Pauls
            Assignee: Karl Pauls
             Fix For: Resource Resolver 1.6.8


When a ResourceProvider goes away while being activated, we remove it from the list of handlers for a given path. However, we don't remove the empty list of handlers in the case where it was the only available handler for a given path. 

That can lead to a problem later on where we assume that if we have a list of handlers for a path it will at least contain one handler (and just use .get(0)). This happens in the ResourceProviderTracker.setObservationReporterGenerator method and will cause IOOB Exceptions from that point onwards.



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