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https://issues.apache.org/jira/browse/TUSCANY-1859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12536159
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Mark Combellack commented on TUSCANY-1859:
------------------------------------------
This problem is caused by the references not being built correctly for the
wires. It is an assembly time problem caused by CompositeWireBuilderImpl
creating the references before the wires.
The original code is:
// Connect component references to their targets
connectComponentReferences(composite, components, componentServices,
componentReferences);
// Connect component references as described in wires
connectWires(composite, componentServices, componentReferences);
The fix is to swap the order of the above method calls and connect the wires
before connecting the references. The fixed code is:
// Connect component references as described in wires
connectWires(composite, componentServices, componentReferences);
// Connect component references to their targets
connectComponentReferences(composite, components, componentServices,
componentReferences);
I've attached WireFix.patch that does the above fix.
> Exception when using wires to wire Components
> ---------------------------------------------
>
> Key: TUSCANY-1859
> URL: https://issues.apache.org/jira/browse/TUSCANY-1859
> Project: Tuscany
> Issue Type: Bug
> Components: Java SCA Assembly Model
> Affects Versions: Java-SCA-1.0
> Environment: Tuscany SVN Head 585955
> Linux
> Reporter: Mark Combellack
> Fix For: Java-SCA-Next
>
> Attachments: WireFix.patch, WiresITest.patch
>
>
> The SCA specification allows components to be connected together using a wire
> in the .composite file (Assembly specification section 1.6.4 lines 1576 to
> 1848)
> If I use <wire> in the .composite file, I get the following exception at
> runtime:
> org.osoa.sca.ServiceUnavailableException: No service invoker is available for
> reference aWireService (bindingURI=null operation=sayHello).
> at
> org.apache.tuscany.sca.binding.sca.impl.RuntimeSCAReferenceBindingProvider.createInvoker(RuntimeSCAReferenceBindingProvider.java:192)
> at
> org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.addBindingInterceptor(RuntimeWireImpl.java:214)
> at
> org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.initInvocationChains(RuntimeWireImpl.java:156)
> at
> org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.getInvocationChains(RuntimeWireImpl.java:97)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.getInvocationChain(JDKInvocationHandler.java:189)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:123)
> at $Proxy7.sayHello(Unknown Source)
> at
> org.apache.tuscany.sca.itest.WireClientImpl.runTests(WireClientImpl.java:46)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:585)
> at
> org.apache.tuscany.sca.implementation.java.invocation.JavaImplementationInvoker.invoke(JavaImplementationInvoker.java:105)
> at
> org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:49)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:232)
> at
> org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:129)
> at $Proxy6.runTests(Unknown Source)
> at org.apache.tuscany.sca.itest.WireTestCase.testWire(WireTestCase.java:46)
> ...
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