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Posted to dev@felix.apache.org by "David Jencks (JIRA)" <ji...@apache.org> on 2013/03/12 08:13:12 UTC
[jira] [Created] (FELIX-3967) [DS] NPE in
DependencyManager$AbstractCustomizer.isSatisfied
David Jencks created FELIX-3967:
-----------------------------------
Summary: [DS] NPE in DependencyManager$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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