[jira] [Created] (FELIX-5446) Http Service ignores Whiteboard Servlet API Listeners

["Felix Meschberger (JIRA)" <ji...@apache.org>]

Felix Meschberger created FELIX-5446:
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             Summary: Http Service ignores Whiteboard Servlet API Listeners
                 Key: FELIX-5446
                 URL: https://issues.apache.org/jira/browse/FELIX-5446
             Project: Felix
          Issue Type: Bug
          Components: HTTP Service
    Affects Versions: http.jetty-3.4.0
            Reporter: Felix Meschberger


Situation:

# A ServletRequestListener registered with the Http Whiteboard Service (standard OSGi Http Whiteboard) with property {{osgi.http.whiteboard.listener==true}}.
# A Servlet registered with the traditional OSGi HttpService

Problem: The ServletRequestListener is not called for requests for requests to said servlet.

Investigation: It looks like the ServletRequestListenerManager used to handle ServletRequestListener services for traditionally registered Servlets explicitly ignores listeners registered with the {{osgi.http.whiteboard.listener}} property set. See this code in [ServletRequestListenerManager|https://github.com/apache/felix/blob/trunk/http/base/src/main/java/org/apache/felix/http/base/internal/service/listener/ServletRequestListenerManager.java#L45].

For one thing, the listener should at best ignore services registered with the property set to true. If the property is set to anything else, it will explicitly be ignored by the OSGi Whiteboard Http Service and thus should probably be accepted by the legacy Felix Http Service implementation.

On the other hand: Why ignore at all ? Originally the legacy Felix Http Service accepted all Servlet API listeners regardless of such property set. So if there is a listener used and the Jetty bundle is updated and the service updated to make sure it is called for new OSGi Whiteboard services it will not be called any more for the legacy registered services

I think the legacy Felix Http Service should just accept all listeners like it always did.



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