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Posted to dev@felix.apache.org by "David Jencks (JIRA)" <ji...@apache.org> on 2013/10/16 01:27:42 UTC
[jira] [Closed] (FELIX-3967) [DS] NPE in
DependencyManager$AbstractCustomizer.isSatisfied
[ https://issues.apache.org/jira/browse/FELIX-3967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Jencks closed FELIX-3967.
-------------------------------
> [DS] NPE in DependencyManager$AbstractCustomizer.isSatisfied
> ------------------------------------------------------------
>
> Key: FELIX-3967
> URL: https://issues.apache.org/jira/browse/FELIX-3967
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services (SCR)
> Affects Versions: scr-1.8.0
> Reporter: David Jencks
> Assignee: David Jencks
> Fix For: scr-1.8.0
>
>
> We set the customizer before installing the tracker in the customizer, so
> public boolean isSatisfied()
> {
> return isOptional() || !tracker.isEmpty();
> }
> can give an NPE like this:
> java.lang.NullPointerException
> > at org.apache.felix.scr.impl.manager.DependencyManager$AbstractCustomizer.isSatisfied(DependencyManager.java:183)
> > at org.apache.felix.scr.impl.manager.DependencyManager.isSatisfied(DependencyManager.java:1254)
> > at org.apache.felix.scr.impl.manager.AbstractComponentManager.verifyDependencyManagers(AbstractComponentManager.java:1034)
> > at org.apache.felix.scr.impl.manager.AbstractComponentManager$Unsatisfied.activate(AbstractComponentManager.java:1465)
> > at org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:643)
> > at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:822)
> > at org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:795)
> > at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1474)
> > at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1398)
> > at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:1210)
> > at org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:1148)
> > at org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1429)
> Presumably setting the tracker before making the customizer available will fix the problem
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