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https://issues.apache.org/jira/browse/ARIES-325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874099#action_12874099
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Valentin Mahrwald commented on ARIES-325:
-----------------------------------------
Having analysed this issue offline with Richard, the issue appears to be JVM
dependent. On an IBM J9 (AiX) the hidden factory methods are returned by
Class.getMethods() whereas on my local Mac (Sun) JVM they are not.
I will try to find out who is right, but most likely commit a fix anyway.
> static factory methods with the same names are not distinguished during bean
> instantiation
> ------------------------------------------------------------------------------------------
>
> Key: ARIES-325
> URL: https://issues.apache.org/jira/browse/ARIES-325
> Project: Aries
> Issue Type: Bug
> Components: Blueprint
> Reporter: Richard Ellis
> Assignee: Valentin Mahrwald
> Priority: Minor
>
> I have a class SuperClass with a static method:
> public static SuperObject getObject(){...return SuperObject}
> this class is subclassed by SubClass which also has a static method:
> public static SubObject getObject(){...return SubObject}
> where SubObject extends SuperObject
> when I use <bean id="someFactoryBean" class="SubClass"
> factory-method="getObject"/> I get a ComponentDefinitionException:
> ServiceRecipe E org.apache.aries.blueprint.container.ServiceRecipe
> createService Error retrieving service from ServiceRecipe[name='.component-2']
>
> org.osgi.service.blueprint.container.ComponentDefinitionException: Multiple
> matching factory methods getObject found on class
> my.package.SubClass for arguments [] when
> instanciating bean someFactoryBean: [
> public static
> my.package.SubClass.getObject(),
> public static
> my.package.SuperClass.getObject()]
> at
> org.apache.aries.blueprint.container.BeanRecipe.getInstance(BeanRecipe.java:248)
> at
> org.apache.aries.blueprint.container.BeanRecipe.internalCreate(BeanRecipe.java:675)
> at
> org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:64)
> at
> org.apache.aries.blueprint.di.RefRecipe.internalCreate(RefRecipe.java:60)
> at
> org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:64)
> at
> org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:219)
> at
> org.apache.aries.blueprint.container.BlueprintRepository.createInstance(BlueprintRepository.java:198)
> at
> org.apache.aries.blueprint.container.BlueprintRepository.create(BlueprintRepository.java:137)
> at
> org.apache.aries.blueprint.container.ServiceRecipe.createRecipe(ServiceRecipe.java:350)
> at
> org.apache.aries.blueprint.container.ServiceRecipe.createService(ServiceRecipe.java:256)
> at
> org.apache.aries.blueprint.container.ServiceRecipe.internalGetService(ServiceRecipe.java:228)
> at
> org.apache.aries.blueprint.container.ServiceRecipe.getService(ServiceRecipe.java:307)
> at
> org.apache.aries.blueprint.container.ServiceRecipe$TriggerServiceFactory.getService(ServiceRecipe.java:365)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:120)
> at
> java.security.AccessController.doPrivileged(AccessController.java:202)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:118)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:449)
> at
> org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:430)
> at
> org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:667)
> at
> org.apache.aries.blueprint.container.BlueprintContainerImpl.getService(BlueprintContainerImpl.java:400)
> at
> org.apache.aries.blueprint.container.ReferenceRecipe.getService(ReferenceRecipe.java:180)
> at
> org.apache.aries.blueprint.container.ReferenceRecipe.access$000(ReferenceRecipe.java:49)
> at
> org.apache.aries.blueprint.container.ReferenceRecipe$ServiceDispatcher.call(ReferenceRecipe.java:201)
> at
> org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe$CgLibProxyFactory$1.loadObject(AbstractServiceReferenceRecipe.java:634)
> I think the bean should be instantiated using the static method declared on
> the class I specified as an attribute.
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