NullPointerException in SlingServletResolver.handleEvent
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                 Key: SLING-2378
                 URL: https://issues.apache.org/jira/browse/SLING-2378
             Project: Sling
          Issue Type: Improvement
          Components: Servlets
    Affects Versions: Servlets Resolver 2.1.0
            Reporter: Felix Meschberger
            Assignee: Felix Meschberger
             Fix For: Servlets Resolver 2.1.2


The handleEvent method is called for all events with the prefix 
org/apache/sling/api/resource. This includes ResourceResolverMapping/CHANGED 
events which have no path property. Yet this property is expected by the 
handleEvent method and causes an NPE. 

This NPE is logged and looks nasty but has no further consequences. For clean 
code purposes this should be prevented by only registering to ../Resource and 
../ResourceProvider events.

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