RMI Binding: HelloWorld Examples

["Wengatz, Nicole" <ni...@siemens.com>]

Hi,

I'm trying to understand how the RMI Binding is working. Therefore I
started playing around
with the HelloWorld rmiService and rmiReference projects.

I got the latest version from the cvs and followed the instruction
provided in readme.htm
(provided in both projects). I'm using the launcher (as described in the
readme) to start
the sample.

My problem is, that I do not know how to activate the RMI Binding?

The readme tells me :
>Copy the SCA RMI Extension jar into this sub-directory named
'extension'
If I do this, I get an error:
>org.apache.tuscany.spi.loader.UnrecognizedElementException: 
>{http://tuscany.apache.org/xmlns/binding/rmi/1.0-SNAPSHOT}binding.rmi 
>[{http://tuscany.apache.org/xmlns/binding/rmi/1.0-SNAPSHOT}binding.rmi]

Ok, I found a directory "extensions" and put there the SCA RMI Extension
(the jar File).
Now I get an init error for the component [directoryScanExtender]. It
tells me that
the groupId cannot be empty?

Could you please help me to solve this problem?

Thank you very much and best regards
Nicole

The complete stack trace:
D:\projekte\EOSGiAndSCA\tuscany>java -jar bin/launcher.jar
rmiSample/sample-hell
oworld-rmiReference-1.0-incubator-M2-SNAPSHOT.jar
Exception in thread "main"
org.apache.tuscany.spi.component.TargetException: Err
or initializing component instance [directoryScanExtender]
        at
org.apache.tuscany.core.implementation.PojoAtomicComponent.init(PojoA
tomicComponent.java:97)
        at
org.apache.tuscany.core.component.scope.InstanceWrapperImpl.start(Ins
tanceWrapperImpl.java:49)
        at
org.apache.tuscany.core.component.scope.ModuleScopeContainer.eagerIni
tComponents(ModuleScopeContainer.java:145)
        at
org.apache.tuscany.core.component.scope.ModuleScopeContainer.onEvent(
ModuleScopeContainer.java:72)
        at
org.apache.tuscany.spi.component.AbstractSCAObject.publish(AbstractSC
AObject.java:94)
        at
org.apache.tuscany.core.implementation.composite.AbstractCompositeCom
ponent.publish(AbstractCompositeComponent.java:139)
        at
org.apache.tuscany.core.implementation.composite.AbstractCompositeCom
ponent.start(AbstractCompositeComponent.java:106)
        at
org.apache.tuscany.runtime.standalone.host.StandaloneRuntimeImpl.init
ialize(StandaloneRuntimeImpl.java:82)
        at
org.apache.tuscany.launcher.MainLauncherBooter.main(MainLauncherBoote
r.java:86)
Caused by: org.apache.tuscany.core.injection.ObjectCallbackException:
Exception
thrown by callback method [public void
org.apache.tuscany.runtime.standalone.hos
t.DirectoryScanExtender.init()]
        at
org.apache.tuscany.core.injection.MethodEventInvoker.invokeEvent(Meth
odEventInvoker.java:46)
        at
org.apache.tuscany.core.implementation.PojoAtomicComponent.init(PojoA
tomicComponent.java:95)
        ... 8 more
Caused by: org.apache.maven.artifact.InvalidArtifactRTException: For
artifact {n
ull:null:null:jar}: The groupId cannot be empty.
        at
org.apache.maven.artifact.DefaultArtifact.validateIdentity(DefaultArt
ifact.java:126)
        at
org.apache.maven.artifact.DefaultArtifact.<init>(DefaultArtifact.java
:119)
        at
org.apache.maven.artifact.factory.DefaultArtifactFactory.createArtifa
ct(DefaultArtifactFactory.java:155)
        at
org.apache.maven.artifact.factory.DefaultArtifactFactory.createArtifa
ct(DefaultArtifactFactory.java:114)
        at
org.apache.maven.artifact.factory.DefaultArtifactFactory.createArtifa
ct(DefaultArtifactFactory.java:108)
        at
org.apache.maven.artifact.factory.DefaultArtifactFactory.createArtifa
ct(DefaultArtifactFactory.java:37)
        at
org.apache.tuscany.services.maven.MavenHelper.resolveTransitively(Mav
enHelper.java:176)
        at
org.apache.tuscany.services.maven.MavenArtifactRepository.resolve(Mav
enArtifactRepository.java:69)
        at
org.apache.tuscany.core.implementation.composite.CompositeLoader.load
(CompositeLoader.java:99)
        at
org.apache.tuscany.core.implementation.composite.CompositeLoader.load
(CompositeLoader.java:1)
        at
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistry
Impl.java:94)
        at
org.apache.tuscany.core.loader.LoaderRegistryImpl.load(LoaderRegistry
Impl.java:112)
        at
org.apache.tuscany.core.implementation.system.loader.SystemCompositeC
omponentTypeLoader.loadFromSidefile(SystemCompositeComponentTypeLoader.j
ava:68)
        at
org.apache.tuscany.core.implementation.system.loader.SystemCompositeC
omponentTypeLoader.load(SystemCompositeComponentTypeLoader.java:59)
        at
org.apache.tuscany.core.implementation.system.loader.SystemCompositeC
omponentTypeLoader.load(SystemCompositeComponentTypeLoader.java:1)
        at
org.apache.tuscany.core.loader.LoaderRegistryImpl.loadComponentType(L
oaderRegistryImpl.java:163)
        at
org.apache.tuscany.core.deployer.DeployerImpl.load(DeployerImpl.java:
101)
        at
org.apache.tuscany.core.deployer.DeployerImpl.deploy(DeployerImpl.jav
a:76)
        at
org.apache.tuscany.core.services.extension.AbstractExtensionDeployer.
deployExtension(AbstractExtensionDeployer.java:104)
        at
org.apache.tuscany.core.services.extension.AbstractExtensionDeployer.
deployExtension(AbstractExtensionDeployer.java:67)
        at
org.apache.tuscany.runtime.standalone.host.DirectoryScanExtender.init
(DirectoryScanExtender.java:57)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at
org.apache.tuscany.core.injection.MethodEventInvoker.invokeEvent(Meth
odEventInvoker.java:42)
        ... 9 more


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