Hi, I wonder anyone know this failure when run helloworldwsclient sample. It 
used to return a connection refused exception which means the message has been 
sent out. This sample was ok last Friday, seems to be broken by a commit 
occurred over this weekend.

How to reproduce:  run "run_celtix.bat" from helloworldwsclient dir.

Exception in thread "main" org.apache.tuscany.spi.component.TargetException: 
Error initializing component instance [dire
ctoryScanExtender]
        at 
org.apache.tuscany.core.implementation.PojoAtomicComponent.init(PojoAtomicComponent.java:96)
        at 
org.apache.tuscany.core.component.scope.InstanceWrapperImpl.start(InstanceWrapperImpl.java:49)
        at 
org.apache.tuscany.core.component.scope.ModuleScopeContainer.eagerInitComponents(ModuleScopeContainer.java:15
4)
        at 
org.apache.tuscany.core.component.scope.ModuleScopeContainer.onEvent(ModuleScopeContainer.java:68)
        at 
org.apache.tuscany.spi.component.AbstractSCAObject.publish(AbstractSCAObject.java:92)
        at 
org.apache.tuscany.core.implementation.composite.AbstractCompositeComponent.publish(AbstractCompositeComponen
t.java:178)
        at 
org.apache.tuscany.core.implementation.composite.AbstractCompositeComponent.start(AbstractCompositeComponent.
java:117)
        at 
org.apache.tuscany.core.launcher.LauncherImpl.bootRuntime(LauncherImpl.java:103)
        at 
org.apache.tuscany.core.launcher.MainLauncherImpl.boot(MainLauncherImpl.java:140)
        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.hostutil.LaunchHelper.invoke(LaunchHelper.java:96)
        at 
org.apache.tuscany.launcher.MainLauncherBooter.main(MainLauncherBooter.java:51)
Caused by: org.apache.tuscany.core.injection.ObjectCallbackException: Exception 
thrown by callback method [public void o
rg.apache.tuscany.core.services.extension.DirectoryScanExtender.init()]
        at 
org.apache.tuscany.core.injection.MethodEventInvoker.invokeEvent(MethodEventInvoker.java:46)
        at 
org.apache.tuscany.core.implementation.PojoAtomicComponent.init(PojoAtomicComponent.java:94)
        ... 14 more
Caused by: org.apache.tuscany.spi.component.TargetNotFoundException: Autowire 
target not found [org.apache.tuscany.idl.w
sdl.WSDLDefinitionRegistry]
        at 
org.apache.tuscany.core.implementation.system.wire.SystemOutboundAutowire.getTargetService(SystemOutboundAuto
wire.java:69)
        at 
org.apache.tuscany.core.implementation.system.component.SystemWireObjectFactory.getInstance(SystemWireObjectF
actory.java:40)
        at 
org.apache.tuscany.core.injection.PojoObjectFactory.getInstance(PojoObjectFactory.java:96)
        at 
org.apache.tuscany.core.implementation.PojoAtomicComponent.createInstance(PojoAtomicComponent.java:121)
        at 
org.apache.tuscany.core.component.scope.ModuleScopeContainer.eagerInitComponents(ModuleScopeContainer.java:15
3)
        at 
org.apache.tuscany.core.component.scope.ModuleScopeContainer.onEvent(ModuleScopeContainer.java:68)
        at 
org.apache.tuscany.spi.component.AbstractSCAObject.publish(AbstractSCAObject.java:92)
        at 
org.apache.tuscany.core.implementation.composite.AbstractCompositeComponent.publish(AbstractCompositeComponen
t.java:178)
        at 
org.apache.tuscany.core.implementation.composite.AbstractCompositeComponent.start(AbstractCompositeComponent.
java:117)
        at 
org.apache.tuscany.core.services.extension.DirectoryScanExtender.deployExtension(DirectoryScanExtender.java:1
25)
        at 
org.apache.tuscany.core.services.extension.DirectoryScanExtender.init(DirectoryScanExtender.java:83)
        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.core.injection.MethodEventInvoker.invokeEvent(MethodEventInvoker.java:42)
        ... 15 more

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