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https://issues.apache.org/jira/browse/FELIX-6420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stefan Bischof resolved FELIX-6420.
-----------------------------------
Resolution: Not A Problem
> Injection of unbound optional References in Constructor:
> --------------------------------------------------------
>
> Key: FELIX-6420
> URL: https://issues.apache.org/jira/browse/FELIX-6420
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services (SCR)
> Affects Versions: scr-2.1.8, scr-2.1.26
> Reporter: Stefan Bischof
> Priority: Major
>
> OSGi-Spec:
> {code:java}
> If the constructor parameter is associated with a reference having
> cardinality of 0..1 and there is no bound service for the reference, then the
> value null will be supplied as the constructor parameter.
> {code}
>
> {{}}
> {{when trying with Felix-SCR i got this Exception:}}
> {{}}
> {code:java}
> java.lang.InstantiationException: Unable to get service for reference
> optionalNull
> at
> org.apache.felix.scr.impl.inject.internal.ComponentConstructorImpl.newInstance(ComponentConstructorImpl.java:301)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:279)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:115)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:984)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:957)
> at
> org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:902)
> at o
> {code}
> {{You can test it with this test in the PR to the ds-tck:}}
> [https://github.com/osgi/osgi/pull/230
> ]{{}}
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