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From "Greg Dritschler (Created) (JIRA)" <...@tuscany.apache.org>
Subject [jira] [Created] (TUSCANY-4027) EndpointFinder is ineffective
Date Sun, 11 Mar 2012 18:56:38 GMT
EndpointFinder is ineffective
-----------------------------

                 Key: TUSCANY-4027
                 URL: https://issues.apache.org/jira/browse/TUSCANY-4027
             Project: Tuscany
          Issue Type: Bug
    Affects Versions: Java-SCA-2.0
            Reporter: Greg Dritschler
            Priority: Minor


SCAClientFactoryImpl calls the EndpointFinder to find a matching endpoint.  If the endpoint
returned by EndpointFinder is local to the same JVM, SCAClientFactoryImpl then calls RuntimeComponentImpl.getServiceReference()
which calls ComponentContextImpl.createSelfReference().  If the client's URI does not include
a binding name, ComponentContextImpl picks the first binding.  This supercedes whatever selection
was made by the EndpointFinder.

I am attaching a patch that fixes the issue.  It constructs a full URI based on the selection
made by the EndpointFinder and passes that to RuntimeComponentImpl.getServiceReference().

This exposed another issue.  The scaclient-api itest tests that a getService() using component
name only is rejected with a ServiceRuntimeException if the target component implements multiple
services.  This is because it is ambiguous which service is desired (SCAClientFactoryImpl
does not do interface matching).  This was being enforced in ComponentContextImpl, but with
the above fix that isn't possible since it now gets a fully-specified URI.  In order to fix
this, I added a check into DefaultEndpointFinder.

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