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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