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Posted to dev@felix.apache.org by "Felix Meschberger (JIRA)" <ji...@apache.org> on 2010/07/30 13:42:19 UTC
[jira] Closed: (FELIX-1922) issue with configuration policy=require
and with factory components
[ https://issues.apache.org/jira/browse/FELIX-1922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Felix Meschberger closed FELIX-1922.
------------------------------------
Closing since version is released.
> issue with configuration policy=require and with factory components
> -------------------------------------------------------------------
>
> Key: FELIX-1922
> URL: https://issues.apache.org/jira/browse/FELIX-1922
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services (SCR)
> Affects Versions: scr-1.2.0
> Environment: linux fc10, jdk1.5, jdk.1.6
> Reporter: Pierre De Rop
> Assignee: Felix Meschberger
> Priority: Minor
> Fix For: scr-1.4.0
>
>
> This issue is related to the following dev post: -> http://www.mail-archive.com/dev@felix.apache.org/msg14167.html
> There are two components that comes into play:
> 1) The first one (EnglishDictionary) has a configuration-policy="require" parameter and a factory="true" parameter:
> <?xml version='1.0' encoding='utf-8'?>
> <component name='EnglishDictionary' xmlns='http://www.osgi.org/xmlns/scr/v1.1.0' factory='true' configuration-policy='require' modified='updated'>
> <implementation class='com.alcatel_lucent.samples.scr.dictionary.english.EnglishDictionary'/>
> <service>
> <provide interface='com.alcatel_lucent.samples.scr.dictionary.DictionaryService'/>
> </service>
> </component>
> The EnglishDictionary parameter has actually a CM Configuration which is required before activation: that is why it uses configuration-policy='require'.
> 2) The second one (EnglishDictionaryFactory) is a factory component that is meant to instantiate the EnglishDictionary component.:
> <?xml version='1.0' encoding='utf-8'?>
> <component name='EnglishDictionaryFactory'>
> <implementation class='com.alcatel_lucent.samples.scr.dictionary.english.EnglishDictionaryFactory'/>
> <reference name='bind' interface='org.osgi.service.component.ComponentFactory' bind='bind' unbind='unbind' target='(component.name=EnglishDictionary)'/>
> </component>
> The issue takes place when the EnglishDictionaryFactory component tries to instantiate the EnglishDictionary like this:
> class EnglishDictionaryFactory {
> public void bind(ComponentFactory factory) {
> factory.newInstance(new Hashtable());
> }
> }
> -> The newInstance raises the following exception:
> org.osgi.service.component.ComponentException: Failed activating component
> at org.apache.felix.scr.impl.manager.ComponentFactoryImpl.newInstance(ComponentFactoryImpl.java:118)
> at com.alcatel_lucent.samples.scr.dictionary.english.EnglishDictionaryFactory.bind(EnglishDictionaryFactory.java:19)
> 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:597)
> at org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:213)
> at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:38)
> at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:542)
> at org.apache.felix.scr.impl.helper.BaseMethod$NotResolved.invoke(BaseMethod.java:500)
> at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:434)
> at org.apache.felix.scr.impl.manager.DependencyManager.invokeBindMethod(DependencyManager.java:997)
> at org.apache.felix.scr.impl.manager.DependencyManager.bind(DependencyManager.java:908)
> at org.apache.felix.scr.impl.manager.DependencyManager.open(DependencyManager.java:832)
> at org.apache.felix.scr.impl.manager.ImmediateComponentManager.createImplementationObject(ImmediateComponentManager.java:200)
> at org.apache.felix.scr.impl.manager.ImmediateComponentManager.createComponent(ImmediateComponentManager.java:118)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager$Unsatisfied.activate(AbstractComponentManager.java:982)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:297)
> at org.apache.felix.scr.impl.manager.AbstractComponentManager$1.doRun(AbstractComponentManager.java:137)
> at org.apache.felix.scr.impl.ComponentActivatorTask.run(ComponentActivatorTask.java:67)
> at org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:96)
> at java.lang.Thread.run(Thread.java:619)
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